Borderou de evaluare (job #344928)

Compilare: user.cpp: In function ‘int main()’: user.cpp:70:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:91:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:47:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:48:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:51:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:55:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]