Borderou de evaluare (job #417563)

Compilare: user.cpp: In function ‘int prim(long long unsigned int)’: user.cpp:7:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int main()’: user.cpp:18:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:57:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:14:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:15:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]