kgb.cpp: In function 'void dfs(int, int)': kgb.cpp:34: warning: comparison between signed and unsigned integer expressions kgb.cpp: In function 'int main()': kgb.cpp:79: warning: 'auto' will change meaning in C++0x; please remove it kgb.cpp:79: error: expected initializer before ':' token kgb.cpp:82: error: expected ')' before ';' token kgb.cpp:85: warning: 'auto' will change meaning in C++0x; please remove it kgb.cpp:85: error: expected initializer before ':' token kgb.cpp:88: error: expected primary-expression before '}' token kgb.cpp:88: error: expected ')' before '}' token kgb.cpp:88: error: expected primary-expression before '}' token kgb.cpp:88: error: expected ';' before '}' token