Borderou de evaluare (job #373523)

Compilare: user.cpp: In function ‘int main()’: user.cpp:57:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:68:23: 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:50:11: warning: unused variable ‘m’ [-Wunused-variable] user.cpp:50:15: warning: unused variable ‘j’ [-Wunused-variable] user.cpp:48:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:49:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:51:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:55:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]