Borderou de evaluare (job #233409)

Compilare: user.cpp: In function ‘int main()’: user.cpp:52:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:72:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:76:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:19:23: warning: unused variable ‘m’ [-Wunused-variable] user.cpp:17:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:18:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:23:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:25:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]