Compilare: main.cpp: In function 'bool Bfs()': main.cpp:62:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[u].size(); ++i ) ~~^~~~~~~~~~~~~~ main.cpp: In function 'void Dfs1(int)': main.cpp:87:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[nod].size(); ++i ) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void Dfs2(int)': main.cpp:102:21: 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:145:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int J = 0; J < Ad[I].size(); ++J ) ~~^~~~~~~~~~~~~~ main.cpp:156:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Critice.size(); ++i ) ~~^~~~~~~~~~~~~~~~ main.cpp:113:7: warning: 'curent_flow' may be used uninitialized in this function [-Wmaybe-uninitialized] int curent_flow; ^~~~~~~~~~~