View Compilation Error

0_0_19917578_19858.cpp:10:1: error: 'll' does not name a type
 ll sum[5][200050];
 ^
0_0_19917578_19858.cpp: In function 'int main()':
0_0_19917578_19858.cpp:19:10: error: 'sum' was not declared in this scope
   memset(sum,0,sizeof(sum));
          ^
0_0_19917578_19858.cpp:26:3: error: 'll' was not declared in this scope
   ll ans=0;
   ^
0_0_19917578_19858.cpp:29:4: error: 'ans' was not declared in this scope
    ans-=lin[i].size()*lin[i].size();
    ^
0_0_19917578_19858.cpp:36:27: error: 'ans' was not declared in this scope
   for(int i=1;i<=n+m;i++) ans+=sum[4][i];
                           ^
0_0_19917578_19858.cpp:37:9: error: 'ans' was not declared in this scope
   cout<<ans<<endl;
         ^