View Compilation Error

0_0_25569465_13210.cpp: In function 'int main()':
0_0_25569465_13210.cpp:47:2: error: expected ';' before 'int'
  int ret = 0;
  ^
0_0_25569465_13210.cpp:51:18: error: 'ret' was not declared in this scope
         if(v[1]) ret++;
                  ^
0_0_25569465_13210.cpp:52:47: error: 'ret' was not declared in this scope
         for(int i = 2;i <= m;++i) if(!cnt[i]) ret++;
                                               ^
0_0_25569465_13210.cpp:53:16: error: 'ret' was not declared in this scope
         ans2 = ret ^ 1;
                ^