View Compilation Error

0_0_33834390_25727.cpp: In function 'int solve(int)':
0_0_33834390_25727.cpp:30:51: error: expected primary-expression before ',' token
  for(int i = 0; i < n; i++) if(i != x && !num[i]) , block++, dfs(i, -1); //ISCUT[I]--
                                                   ^