Compilare: user.cpp: In function ‘int main()’: user.cpp:34:60: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j%(k+1) == 0 && INF / var >= dp[j/(k+1)]) { ^ user.cpp:20:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("puternic.in","r",stdin); ^ user.cpp:21:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("puternic.out","w",stdout); ^