How to solve the issue when multiple conditions in the “if” statement in C language are not working properly.

If the if statement in the C language has multiple conditions listed together and the result is incorrect, you can try the following solutions:

1. Check if the conditions statement is correct: make sure all conditions are accurate and logically connected, for example using logical operators && (and) or || (or).
2. Check the priority of the operators: if there are multiple operators in the condition, make sure their priority is correct. You can use parentheses to clarify the order of the operations.
3. Check for logical errors in the code: If there are any logical errors in the conditions, such as incorrectly using the assignment operator == instead of the comparison operator ==, or mistakenly using the comparison operator = instead of the assignment operator =, then these errors need to be fixed.
4. Using an else if statement: When there are multiple conditions to be checked and only one of them is true, you can use an else if statement to prevent multiple conditions from being executed simultaneously.
5. If there are multiple discrete values that need to be evaluated, consider using a switch statement, which can handle multiple conditions more clearly.
6. Debugging Tools: Using debugging tools (such as GDB) can help pinpoint the specific location of the issue for easier troubleshooting.

If the above methods still cannot solve the problem, then it may be necessary to further inspect the code logic or provide more information to obtain more specific help.