Borderou de evaluare (job #421553)

Compilare: user.cpp: In function ‘bool check(int, int)’: user.cpp:18:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int main()’: user.cpp:72:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:64:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:65:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]