Borderou de evaluare (job #132187)

Compilare: user.cpp: In function ‘int main()’: user.cpp:60:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:97:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:117:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:13:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:14:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:18:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:23:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]