{"id":976,"date":"2023-09-03T15:34:27","date_gmt":"2023-10-22T11:22:11","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af\/"},"modified":"2025-08-01T03:59:26","modified_gmt":"2025-07-31T18:59:26","slug":"c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af\/","title":{"rendered":"C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af"},"content":{"rendered":"<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001C++\u3092\u4f7f\u7528\u3057\u3066\u5206\u6570\u306e\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u5b66\u3073\u307e\u3059\u3002\u307e\u305a\u3001\u554f\u984c\u306e\u8a18\u8ff0\u3092\u898b\u3066\u304b\u3089\u89e3\u6c7a\u7b56\u306b\u79fb\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u306f\u3001\u591a\u304f\u306e\u4eba\u6c17\u306e\u3042\u308b\u53e4\u5178\u7684\u306a\u554f\u984c\u306e\u4e00\u3064\u3067\u3059\u3002\u3053\u308c\u306f0-1\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u554f\u984c\u30840-N\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u554f\u984c\u3068\u306f\u304b\u306a\u308a\u7570\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u8caa\u6b32\u6cd5\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3042\u308a\u3001\u4ed6\u306e2\u3064\u306f\u52d5\u7684\u8a08\u753b\u6cd5\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3059\u3002<\/p>\n<h2>\u300c\u30d5\u30e9\u30af\u30b7\u30e7\u30ca\u30eb\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u300d\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d<\/h2>\n<p>\u4e00\u90e8\u306e\u54c1\u7269\u306e\u91cd\u3055\u3068\u4fa1\u683c\u306e\u30ea\u30b9\u30c8\u3001\u305d\u3057\u3066\u5bb9\u91cfW\u306e\u30d0\u30c3\u30b0\/\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u304c\u4e0e\u3048\u3089\u308c\u307e\u3059\u3002\u3042\u306a\u305f\u306e\u4ed5\u4e8b\u306f\u3001\u3053\u306e\u30d0\u30c3\u30b0\u306b\u5165\u308c\u308b\u3059\u3079\u3066\u306e\u30a2\u30a4\u30c6\u30e0\u306e\u4fa1\u683c\u306e\u5408\u8a08\u304c\u3001\u3059\u3079\u3066\u306e\u69cb\u6210\u306b\u304a\u3044\u3066\u6700\u5927\u306b\u306a\u308b\u3088\u3046\u306b\u3053\u306e\u30d0\u30c3\u30b0\u3092\u6e80\u305f\u3059\u3053\u3068\u3067\u3059\u3002\u305d\u3057\u3066\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u307e\u308b\u3054\u3068\u53ce\u96c6\u3059\u308b\u304b\u3001\u4e00\u90e8\u3092\u53ce\u96c6\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u554f\u984c\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/h2>\n<p>\u3088\u3057\u3001\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u554f\u984c\u306b\u5bfe\u3057\u3066\u306f\u8caa\u6b32\u306a\u89e3\u6cd5\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3001\u4ee5\u4e0b\u306f\u8caa\u6b32\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u7c21\u5358\u306a\u8aac\u660e\u3067\u3059\u3002<\/p>\n<h3>\u8caa\u6b32\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u3053\u308c\u3089\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u306f\u3001\u5404\u30b9\u30c6\u30c3\u30d7\u3067\u5c40\u6240\u7684\u306a\u6700\u5927\u5024\/\u6700\u5c0f\u5024\u3092\u9054\u6210\u3059\u308b\u3053\u3068\u3067\u3001\u6700\u7d42\u7684\u306b\u5168\u4f53\u306e\u6700\u5927\u5024\/\u6700\u5c0f\u5024\u3092\u9054\u6210\u3059\u308b\u3053\u3068\u3092\u76ee\u6307\u3057\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u79c1\u305f\u3061\u306f\u5404\u30b5\u30d6\u554f\u984c\u306e\u7b54\u3048\u3092\u6700\u5927\u5316\/\u6700\u5c0f\u5316\u3057\u3001\u305d\u308c\u304c\u5168\u4f53\u306e\u554f\u984c\u306e\u6700\u5927\/\u6700\u5c0f\u306e\u7b54\u3048\u3078\u3068\u5c0e\u304b\u308c\u307e\u3059\u3002<\/p>\n<p>\u6ce8\u610f\uff1a\u3042\u306a\u305f\u304c\u9078\u3076\u6b32\u5f35\u308a\u306a\u9078\u629e\u80a2\u306f\u3001\u5b89\u5168\u306a\u9078\u629e\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u5b89\u5168\u306a\u624b: \u521d\u624b\u3068\u540c\u7b49\u306b\u4fe1\u983c\u3067\u304d\u308b\u6700\u9069\u306a\u56de\u7b54\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u305d\u306e\u624b\u306f\u5b89\u5168\u306a\u624b\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<h3>\u8caa\u6b32\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u306e\u5354\u529b\u6226\u7565<\/h3>\n<p>\u4ee5\u4e0b\u306f\u3001\u5b8c\u74a7\u306a\u8caa\u6b32\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u958b\u767a\u3059\u308b\u305f\u3081\u306b\u3042\u306a\u305f\u304c\u5f93\u3046\u3079\u304d\u624b\u9806\u3067\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>Make a greedy choice<\/li>\n<li>Prove that it is a safe move so that you don\u2019t write the code and find out in the end that it was not a feasible choice. This particular step is the most important step of greedy algorithms.<\/li>\n<li>Reduce to a smaller problem<\/li>\n<li>Solve all the smaller problems.<\/li>\n<\/ul>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648d48daa94e2bdf7bce57\/12-0.png\" alt=\"General Strategy For Greedy Algorithms\" \/><\/div>\n<h3>\u7591\u4f3c\u30b3\u30fc\u30c9<\/h3>\n<p>\u3053\u308c\u304b\u3089\u79c1\u305f\u3061\u306f\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u3067\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u9032\u3081\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>Sort the items in decreasing order of value\/weight ratio. This step alone decreases the time complexity of selection of the best item from O(N) to O(log2N).<\/li>\n<li>Now we start selecting the objects by running a for loop from i = 0 to i = N<\/li>\n<li>Lemma: There exists an optimal solution that uses as much as possible of an item with the maximum value per unit of weight.Proof: Try filling the knapsack by a different selection criteria, you will always get smaller total value than the maximum possible value.<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u306b\u6dfb\u4ed8\u3055\u308c\u305f\u4f8b\u306f\u3001\u79c1\u305f\u3061\u306e\u4eee\u8aac\u304c\u6b63\u3057\u3044\u3053\u3068\u3092\u8a3c\u660e\u3057\u3066\u3044\u307e\u3059\u3002 (Sono shita ni tenpuzaremashita rei wa, watashitachi no kahy\u014d ga tadashii koto o shomei shiteimasu.)<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648d48daa94e2bdf7bce57\/17-0.png\" alt=\"Safe Move Proof\" \/><\/div>\n<ul class=\"post-ul\">\n<li>Now if the size of the item with maximum value\/weight ratio fits the knapsack, take the whole of it. Otherwise, take the maximum possible fraction of it.<\/li>\n<li>Reduce the capacity of the bag by the weight of the item taken.If the whole item is taken then: capacity = capacity &#8211; weight[this_item].<br \/>\nOtherwise, the capacity becomes 0 because the knapsack becomes full.<\/li>\n<li>Add the value of the fraction of this item taken to the total value.If the whole item is taken: total_value += value[this_item]<br \/>\nOtherwise, the value += fraction_of_weight_taken * value[this_item].<\/li>\n<li>If capacity becomes 0, break out of the loop.<\/li>\n<\/ul>\n<p>\u7591\u4f3c\u30b3\u30fc\u30c9\u306e\u5168\u4f53\u7684\u306a\u69cb\u9020\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059:<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648d48daa94e2bdf7bce57\/20-0.png\" alt=\"Fractional Knapsack Pseudocode\" \/><\/div>\n<h2>\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u3092\u793a\u3059C++\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/h2>\n<pre class=\"post-pre\"><code><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span>\r\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;algorithm&gt;<\/span><\/span>\r\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;vector&gt;<\/span><\/span>\r\n\r\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token comment\">\/\/ this custom comparator function will allow<\/span>\r\n<span class=\"token comment\">\/\/ us to compare our vector based on the<\/span>\r\n<span class=\"token comment\">\/\/ ratio of values to weights<\/span>\r\n<span class=\"token keyword\">bool<\/span> <span class=\"token function\">compare<\/span><span class=\"token punctuation\">(<\/span>pair <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">float<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> p1<span class=\"token punctuation\">,<\/span> pair <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">float<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> p2<span class=\"token punctuation\">)<\/span>\r\n<span class=\"token punctuation\">{<\/span>\r\n\t<span class=\"token keyword\">return<\/span> p1<span class=\"token punctuation\">.<\/span>first <span class=\"token operator\">&gt;<\/span> p2<span class=\"token punctuation\">.<\/span>first<span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n\r\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">fractional_knapsack<\/span><span class=\"token punctuation\">(<\/span>vector <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> weights<span class=\"token punctuation\">,<\/span> vector <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> values<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> capacity<span class=\"token punctuation\">)<\/span>\r\n<span class=\"token punctuation\">{<\/span>\r\n\t<span class=\"token keyword\">int<\/span> len <span class=\"token operator\">=<\/span> weights<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t<span class=\"token keyword\">int<\/span> total_value <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ vector to store the items based on their value\/weight ratios<\/span>\r\n\tvector <span class=\"token operator\">&lt;<\/span>pair <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">float<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token function\">ratio<\/span><span class=\"token punctuation\">(<\/span>len<span class=\"token punctuation\">,<\/span> <span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> len<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\tratio<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span>values<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token operator\">\/<\/span>weights<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ now sort the ratios in non-increasing order<\/span>\r\n\t<span class=\"token comment\">\/\/ for this purpose, we will use our custom<\/span>\r\n\t<span class=\"token comment\">\/\/ comparator function<\/span>\r\n\t<span class=\"token function\">sort<\/span><span class=\"token punctuation\">(<\/span>ratio<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> ratio<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> compare<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ start selecting the items<\/span>\r\n\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> len<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>capacity <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t\t<span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t\t<span class=\"token keyword\">int<\/span> index <span class=\"token operator\">=<\/span> ratio<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>second<span class=\"token punctuation\">;<\/span>\r\n\r\n\t\t<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>weights<span class=\"token punctuation\">[<\/span>index<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;=<\/span> capacity<span class=\"token punctuation\">)<\/span>\r\n\t\t<span class=\"token punctuation\">{<\/span>\r\n\t\t\t<span class=\"token comment\">\/\/ we item can fit into the knapsack<\/span>\r\n\t\t\t<span class=\"token comment\">\/\/ hence take the whole of it<\/span>\r\n\t\t\tcapacity <span class=\"token operator\">-=<\/span> weights<span class=\"token punctuation\">[<\/span>index<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t\t\t<span class=\"token comment\">\/\/ add the value of this item to the<\/span>\r\n\t\t\t<span class=\"token comment\">\/\/ final answer<\/span>\r\n\t\t\ttotal_value <span class=\"token operator\">+=<\/span> values<span class=\"token punctuation\">[<\/span>index<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t<span class=\"token punctuation\">}<\/span>\r\n\t\t<span class=\"token keyword\">else<\/span>\r\n\t\t<span class=\"token punctuation\">{<\/span>\r\n\t\t\t<span class=\"token comment\">\/\/ this item doesn't fit into the bag<\/span>\r\n\t\t\t<span class=\"token comment\">\/\/ and thus we take a fraction of it<\/span>\r\n\t\t\t<span class=\"token keyword\">int<\/span> value_to_consider <span class=\"token operator\">=<\/span> values<span class=\"token punctuation\">[<\/span>index<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span>capacity<span class=\"token punctuation\">)<\/span><span class=\"token operator\">\/<\/span><span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span>weights<span class=\"token punctuation\">[<\/span>index<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t\ttotal_value <span class=\"token operator\">+=<\/span> value_to_consider<span class=\"token punctuation\">;<\/span>\r\n\t\t\tcapacity <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t<span class=\"token punctuation\">}<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\r\n\t<span class=\"token keyword\">return<\/span> total_value<span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n\r\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<span class=\"token punctuation\">{<\/span>\r\n\tcout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">\"Enter the weights of the items, press -1 to stop\"<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span>\r\n\r\n\tvector <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> weights<span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">int<\/span> weight<span class=\"token punctuation\">;<\/span>\r\n\t\tcin <span class=\"token operator\">&gt;&gt;<\/span> weight<span class=\"token punctuation\">;<\/span>\r\n\r\n\t\t<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>weight <span class=\"token operator\">==<\/span> <span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t\t<span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t\tweights<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>weight<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\r\n\tcout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">\"Enter the values of each item, press -1 to stop\"<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span>\r\n\t\r\n\tvector <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> values<span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">int<\/span> value<span class=\"token punctuation\">;<\/span>\r\n\t\tcin <span class=\"token operator\">&gt;&gt;<\/span> value<span class=\"token punctuation\">;<\/span>\r\n\r\n\t\t<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>value <span class=\"token operator\">==<\/span> <span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t\t<span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t\tvalues<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\r\n\tcout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">\"Enter the capacity of the knapsack\"<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token keyword\">int<\/span> capacity<span class=\"token punctuation\">;<\/span>\r\n\tcin <span class=\"token operator\">&gt;&gt;<\/span> capacity<span class=\"token punctuation\">;<\/span>\r\n\r\n\tcout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">\"The maximum value possible based on current list is: \"<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token function\">fractional_knapsack<\/span><span class=\"token punctuation\">(<\/span>weights<span class=\"token punctuation\">,<\/span> values<span class=\"token punctuation\">,<\/span> capacity<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648d48daa94e2bdf7bce57\/23-0.png\" alt=\"Fractional Knapsack Algorithm Code\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648d48daa94e2bdf7bce57\/24-0.png\" alt=\"Driver Function\" \/><\/div>\n<h2>\u51fa\u529b<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648d48daa94e2bdf7bce57\/26-0.png\" alt=\"Fractional Knapsack Output\" \/><\/div>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u554f\u984c\u306f\u8caa\u6b32\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3042\u308a\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306f\u305d\u306e\u5b9f\u88c5\u3092\u898b\u307e\u3057\u305f\u3002\u8caa\u6b32\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u5b66\u3073\u3001\u305d\u3057\u3066\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u64ec\u4f3c\u30b3\u30fc\u30c9\u3092\u8b70\u8ad6\u3057\u307e\u3057\u305f\u3002\u6211\u3005\u306f\u8caa\u6b32\u306a\u9078\u629e\u304c\u5b89\u5168\u306a\u624b\u6bb5\u3067\u3042\u308b\u3053\u3068\u3092\u8a3c\u660e\u3057\u3001\u6700\u5f8c\u306b\u3053\u306e\u89e3\u6c7a\u7b56\u3092\u793a\u3059\u305f\u3081\u306bC++\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u6982\u5ff5\u306e\u5168\u4f53\u7684\u306a\u6642\u9593\u8a08\u7b97\u91cf\u306fO(Nlog2N)\u3067\u3059\u3002\u3067\u306f\u4eca\u65e5\u306f\u3053\u3053\u307e\u3067\u3067\u3059\u3002\u3054\u89a7\u3044\u305f\u3060\u304d\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\u3002<\/p>\n<h2>\u3055\u3089\u306b\u8aad\u3080<\/h2>\n<p>\u3082\u3057\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u554f\u984c\u3084\u4ed6\u306e\u30b0\u30ea\u30fc\u30c7\u30a3\u6cd5\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u5b66\u3073\u305f\u3044\u306a\u3089\u3001\u4ee5\u4e0b\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u53c2\u7167\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u3042\u308b\u300c\u8caa\u6b32\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u300d\u306e\u5185\u5bb9\u3092\u65e5\u672c\u8a9e\u3067\u8981\u7d04\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30ca\u30c3\u30d7\u30b6\u30c3\u30af\u554f\u984c\uff08\u30ca\u30c3\u30d7\u30b6\u30c3\u30af\u3082\u3093\u3060\u3044\uff09\u306f\u3001\u7d44\u307f\u5408\u308f\u305b\u6700\u9069\u5316\u554f\u984c\u306e\u4e00\u7a2e\u3067\u3042\u308a\u3001\u7269\u54c1\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u6700\u9069\u5316\u3059\u308b\u554f\u984c\u3067\u3059\u3002\u4e0e\u3048\u3089\u308c\u305f\u91cd\u307f\u3068\u4fa1\u5024\u3092\u6301\u3064\u7269\u54c1\u3092\u3001\u5236\u7d04\u3092\u6e80\u305f\u3057\u3064\u3064\u3001\u30ca\u30c3\u30d7\u30b6\u30c3\u30af\u306b\u5165\u308c\u308b\u65b9\u6cd5\u3092\u63a2\u6c42\u3057\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u306f\u8a08\u7b97\u6a5f\u79d1\u5b66\u3084\u7d4c\u6e08\u5b66\u3001\u6570\u5b66\u306a\u3069\u306e\u5206\u91ce\u3067\u5e83\u304f\u5fdc\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001C++\u3092\u4f7f\u7528\u3057\u3066\u5206\u6570\u306e\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u5b66\u3073\u307e\u3059\u3002\u307e\u305a\u3001\u554f\u984c\u306e\u8a18\u8ff0\u3092\u898b\u3066\u304b\u3089\u89e3\u6c7a\u7b56\u306b\u79fb\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u306f\u3001\u591a\u304f\u306e\u4eba\u6c17\u306e\u3042\u308b\u53e4\u5178\u7684\u306a\u554f\u984c\u306e\u4e00\u3064\u3067\u3059\u3002\u3053\u308c\u306f0-1\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u554f\u984c\u30840-N\u30ca\u30c3 [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-976","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/c\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\" \/>\n<meta property=\"og:description\" content=\"C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/c\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-22T11:22:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-31T18:59:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648d48daa94e2bdf7bce57\/12-0.png\" \/>\n<meta name=\"author\" content=\"\u6d77\u6597, \u8475\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6d77\u6597, \u8475\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"13\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af\/\",\"name\":\"C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\"},\"datePublished\":\"2023-10-22T11:22:11+00:00\",\"dateModified\":\"2025-07-31T18:59:26+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/20cfc053626f4d45c0fa7a4e7964b5b6\"},\"description\":\"C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/ja\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/20cfc053626f4d45c0fa7a4e7964b5b6\",\"name\":\"\u6d77\u6597, \u8475\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/25aec9a18954b6bfb7e4f7219c2923d62c6f0c9f4d5c0171228fe41751c0ab7a?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/25aec9a18954b6bfb7e4f7219c2923d62c6f0c9f4d5c0171228fe41751c0ab7a?s=96&d=mm&r=g\",\"caption\":\"\u6d77\u6597, \u8475\"},\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/author\/kaitoaoi\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af - Blog - Silicon Cloud","description":"C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/ja\/blog\/c\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\/","og_locale":"ja_JP","og_type":"article","og_title":"C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af","og_description":"C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/c\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-10-22T11:22:11+00:00","article_modified_time":"2025-07-31T18:59:26+00:00","og_image":[{"url":"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648d48daa94e2bdf7bce57\/12-0.png"}],"author":"\u6d77\u6597, \u8475","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u6d77\u6597, \u8475","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"13\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af\/","name":"C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2023-10-22T11:22:11+00:00","dateModified":"2025-07-31T18:59:26+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/20cfc053626f4d45c0fa7a4e7964b5b6"},"description":"C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/ja\/blog\/"},{"@type":"ListItem","position":2,"name":"C++\u3092\u4f7f\u7528\u3057\u305f\u5206\u6570\u30ca\u30c3\u30d7\u30b5\u30c3\u30af"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website","url":"https:\/\/www.silicloud.com\/ja\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/20cfc053626f4d45c0fa7a4e7964b5b6","name":"\u6d77\u6597, \u8475","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/25aec9a18954b6bfb7e4f7219c2923d62c6f0c9f4d5c0171228fe41751c0ab7a?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/25aec9a18954b6bfb7e4f7219c2923d62c6f0c9f4d5c0171228fe41751c0ab7a?s=96&d=mm&r=g","caption":"\u6d77\u6597, \u8475"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/kaitoaoi\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e5%88%86%e6%95%b0%e3%83%8a%e3%83%83%e3%83%97%e3%82%b5%e3%83%83%e3%82%af\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/976","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=976"}],"version-history":[{"count":1,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/976\/revisions"}],"predecessor-version":[{"id":47438,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/976\/revisions\/47438"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=976"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}