Compilare: main.cpp: In function 'void DFS(int, int)': main.cpp:55:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[nod].size(); ++i ) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void DFS2(int, int)': main.cpp:101:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[nod].size(); ++i ) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void T2()': main.cpp:133:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for( int i = 1; i <= N; ++i ) ^~~ main.cpp:134:32: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' fout << P[1][i] << ' ';fout << '\n'; ^~~~