View Compilation Error

0_0_34006351_17784.cpp: In function 'int dfs(int, int)':
0_0_34006351_17784.cpp:9:5: error: expected primary-expression at end of input
     return 
     ^
0_0_34006351_17784.cpp:9:5: error: expected ';' at end of input
0_0_34006351_17784.cpp:9:5: error: expected '}' at end of input