View Compilation Error

0_0_39190154_25260.cpp: In function 'int main()':
0_0_39190154_25260.cpp:26:35: error: 'l' was not declared in this scope
   26 |                     ans=max(ans,i-l-1);
      |                                   ^
0_0_39190154_25260.cpp:37:25: error: 'l' was not declared in this scope
   37 |                         l=cnt-1;
      |                         ^
0_0_39190154_25260.cpp:43:32: error: 'l' was not declared in this scope
   43 |                     if(a[i]==a[l])l--;
      |                                ^
0_0_39190154_25260.cpp:55:32: error: 'l' was not declared in this scope
   55 |                     if(a[i]==a[l])l--;
      |                                ^
0_0_39190154_25260.cpp:64:33: error: 'l' was not declared in this scope
   64 |         if(mat==1)ans=max(ans,n-l);
      |                                 ^