Compilare: main.cpp: In function 'void Do1()': main.cpp:55:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( G[i].size() == nrad) ~~~~~~~~~~~~^~~~~~~ main.cpp: In function 'void Do2()': main.cpp:67:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( G[i].size() > gmax ) ~~~~~~~~~~~~^~~~~~ main.cpp:77:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < G[nod].size(); ++i ) ~~^~~~~~~~~~~~~~~ main.cpp:81:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( G[i].size() == nrad ) ~~~~~~~~~~~~^~~~~~~ main.cpp: In function 'void Do()': main.cpp:95:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int j = 0; j < Ad[i].size(); ++j ) ~~^~~~~~~~~~~~~~ main.cpp: In function 'int BinSearch(int, int, int, int)': main.cpp:50:1: warning: control reaches end of non-void function [-Wreturn-type] } ^