Compilare: user.cpp: In function ‘long int radical(long int, long int, long int)’: user.cpp:59:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(mx == n)return m; ^ user.cpp:60:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(mx>n)return radical(a,m,n); ^ user.cpp: In function ‘int main()’: user.cpp:18:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("perechi.in","r",stdin); ^ user.cpp:19:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("perechi.out","w",stdout); ^ user.cpp:21:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^