View Compilation Error

0_0_30512261_23031.cpp: In function 'void dfs0(int, int)':
0_0_30512261_23031.cpp:63:13: error: 'con' was not declared in this scope
   if(t==fa) con
             ^
0_0_30512261_23031.cpp:63:13: error: expected '}' at end of input
0_0_30512261_23031.cpp:63:13: error: expected '}' at end of input