Compilare: user.cpp: In function ‘int main()’: user.cpp:126:18: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] out("%d",mini); ^ user.cpp:103:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fre("friends.in","r",stdin); ^ user.cpp:104:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fre("friends.out","w",stdout); ^ user.cpp:105:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] in("%d %d %d %d",&cr,&cn,&nra,&nrc); ^ user.cpp:110:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] in("%d %d %d",&xa,&y,&cs); ^