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  1. //Max ones in array
  2.  
  3. #include<bits/stdc++.h>
  4. using namespace std;
  5. int main()
  6.  {
  7. 	//code
  8.   int tc;cin>>tc;
  9.   while(tc--){
  10.     int n;cin>>n;
  11.     int arr[n],a;
  12.     int max_len=-1,cur_len=-1,sum=0;
  13.     for(int i=0;i<n;i++){
  14.       cin>>a;
  15.       if(a==0)
  16.         arr[i]=1;
  17.       else
  18.         arr[i]=0;
  19.     }
  20.     int start_index=0,j=0,one_idx;
  21.     while(j<n){
  22.       sum=sum+arr[j];
  23.       if(sum<=1){
  24.         cur_len++;
  25.         if(arr[j]==1){
  26.           one_idx=j;
  27.         }
  28.       }
  29.       else{
  30.         if(cur_len>max_len){
  31.           max_len=cur_len;
  32.           cur_len=0;
  33.         }
  34.         sum--;
  35.         j=one_idx;
  36.       }
  37.       j++;
  38.     }
  39.  
  40.  
  41.   }
  42. 	return 0;
  43. }
Success #stdin #stdout 0s 4516KB
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https://ideone.com/hmCYh1
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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