View Compilation Error

0_0_27444574_14002.cpp: In function 'void dfs2(int)':
0_0_27444574_14002.cpp:47:5: error: expected primary-expression before '}' token
     }
     ^
0_0_27444574_14002.cpp:47:5: error: expected ']' before '}' token
0_0_27444574_14002.cpp:51:7: error: 't1' was not declared in this scope
   if (t1 == -1 && t2 == -1) df[y.first] = -1;
       ^
0_0_27444574_14002.cpp:51:19: error: 't2' was not declared in this scope
   if (t1 == -1 && t2 == -1) df[y.first] = -1;
                   ^