#include <iostream>
using namespace std;
int main() {
// your code goes here
int arr[]={1, 2, 3, 4, 5, -1, 6};
int k=9;
int n=sizeof(arr)/sizeof(arr[0]);
int sum=0;
int maxi=0;
// int mini=1e9;
for(int i=0;i<n;i++){
sum=0;
for(int j=i;i<n;i++){
sum=sum+arr[j];
if(sum==k && (j-i+1)>maxi){
maxi=j-i+1;
}
// if(sum==k && (j-i+1)<mini){
// mini=j-i+1;
// }
}
}
cout<<maxi;
return 0;
}
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