View Compilation Error

0_0_15214014_21684.cpp: In function 'long long int dfs(int, int)':
0_0_15214014_21684.cpp:22:8: error: expected primary-expression at end of input
     if (
        ^
0_0_15214014_21684.cpp:22:8: error: expected ')' at end of input
0_0_15214014_21684.cpp:22:8: error: expected statement at end of input
0_0_15214014_21684.cpp:22:8: error: expected '}' at end of input