puncte5.cpp: In function 'int bins()': puncte5.cpp:20: warning: unused variable 'mn' puncte5.cpp: In function 'int main()': puncte5.cpp:37: warning: unused variable 'mn' puncte5.cpp:37: warning: unused variable 'nr' puncte5.cpp:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result puncte5.cpp:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result puncte5.cpp:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result puncte5.cpp:40: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result