/in/foo.cc: In function 'int main()':
/in/foo.cc:28:27: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   28 |                 if(j!=v[i]&&v[j]==j||v[i]*v[i]*v[i]==i)cnt++;
      |                    ~~~~~~~^~~~~~~~~
/in/foo.cc:28:56: error: 'cnt' was not declared in this scope; did you mean 'int'?
   28 |                 if(j!=v[i]&&v[j]==j||v[i]*v[i]*v[i]==i)cnt++;
      |                                                        ^~~
      |                                                        int
/in/foo.cc:29:23: error: 'cnt' was not declared in this scope; did you mean 'int'?
   29 |                 if(n==cnt)
      |                       ^~~
      |                       int