Compilare: main.cpp: In function 'void Dfs(int)': main.cpp:37:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[nod].size(); ++i ) { ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'bool Check(int, int)': main.cpp:45:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad2[A].size(); ++i ) { ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void SwapE(int, int)': main.cpp:54:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad2[A].size(); ++i ) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void Repair(int)': main.cpp:67:23: 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)': main.cpp:83:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[nod].size(); ++i ) { ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void Do()': main.cpp:147:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for( int i = 1; i <= N; ++i ) ^~~ main.cpp:148:28: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' fout << a[i] << ' '; fout << '\n'; ^~~~ main.cpp:149:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for( int i = 1; i <= N; ++i ) ^~~ main.cpp:150:28: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' fout << b[i] << ' '; fout << '\n'; ^~~~