Compilare: user.cpp: In function ‘int main()’: user.cpp:132:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<=sol.size()-1; i++) ^ user.cpp:127:22: warning: ‘ind’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(p==1)out<<ind<<" "<<ind1<<" "<<mi-1; ^ user.cpp:127:32: warning: ‘ind1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(p==1)out<<ind<<" "<<ind1<<" "<<mi-1; ^ user.cpp:131:23: warning: ‘val’ may be used uninitialized in this function [-Wmaybe-uninitialized] euler(val); ^