Compilare: main.cpp: In function 'void DfsWeight(int, int)': main.cpp:49:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[nod].size(); ++i ) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void Dfs(int, int)': main.cpp:76:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[nod].size(); ++i ) ~~^~~~~~~~~~~~~~~~ main.cpp:86:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[nod].size(); ++i ) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void Do()': main.cpp:157:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int j = 0; j < paths[i].size(); ++j ) ~~^~~~~~~~~~~~~~~~~