remi1.cpp: In function 'int main()': remi1.cpp:128: warning: suggest parentheses around assignment used as truth value remi1.cpp:87: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result remi1.cpp:88: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result remi1.cpp:89: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result remi1.cpp:92: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result