Compilare: main.cpp: In function 'void Dfs(int, int)': main.cpp:24:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[nod].size(); ++i ) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'bool SearchX(int, int)': main.cpp:43:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[nod].size(); ++i ) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'bool SearchY(int, int)': main.cpp:60:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[nod].size(); ++i ) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'bool SearchZ(int, int)': main.cpp:77:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[nod].size(); ++i ) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'bool SearchXY(int, int)': main.cpp:106:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[nod].size(); ++i ) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'bool SearchXZ(int, int)': main.cpp:134:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Ad[nod].size(); ++i ) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'bool SearchYZ(int, int)': main.cpp:162:21: 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:184:44: warning: 'varf' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << ( SearchXY( varf, 0 ) || SearchYZ( varf, 0 ) || SearchXZ( varf, 0 ) ) << '\n'; ~~~~~~~~^~~~~~~~~~~