dag.cpp: In function 'void dfs(int, int)': dag.cpp:13: error: expected initializer before ':' token dag.cpp:36: error: expected primary-expression at end of input dag.cpp:36: error: expected ';' at end of input dag.cpp:36: error: expected primary-expression at end of input dag.cpp:36: error: expected ')' at end of input dag.cpp:36: error: expected statement at end of input dag.cpp:36: error: expected '}' at end of input