View Compilation Error

0_0_22782661_23564.cpp: In function 'int main()':
0_0_22782661_23564.cpp:190:16: error: a function-definition is not allowed here before '{' token
 int dfs(int x) {
                ^
0_0_22782661_23564.cpp:351:1: error: expected '}' at end of input
 }
 ^
0_0_22782661_23564.cpp:351:1: error: expected '}' at end of input
0_0_22782661_23564.cpp:351:1: error: expected '}' at end of input