Compilare: main.cpp: In function 'void Do()': main.cpp:79:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[u].size(); ++i ) { ~~^~~~~~~~~~~~~~ main.cpp:90:48: warning: narrowing conversion of 'costt' from 'long long int' to 'int' inside { } [-Wnarrowing] Q.push( { w, costt, vis, nr_v } ); ^ main.cpp:97:71: warning: narrowing conversion of 'costt' from 'long long int' to 'int' inside { } [-Wnarrowing] Q.push( { w, costt, vis | ( 1 << d[w] ), nr_v + 1 } ); ^