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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int n;
  7. 	cin>>n;
  8. 	int k;
  9. 	cin>>k;
  10. 	vector<int>v(n);
  11. 	for(int i=0;i<n;i++){
  12. 		cin>>v[i];
  13. 	}
  14. 	int mini=1e9;
  15. 	int i=0;
  16. 	int j=0;
  17. 	int sum=0;
  18. 	while(i<n && j<n){
  19. 		sum+=v[j];
  20. 		while(sum>=k && i<=j){
  21. 			int len=j-i+1;
  22. 			mini=min(mini,len);
  23. 			sum=sum-v[i];
  24. 			i++;
  25. 		}
  26. 		j++;
  27.  
  28.  
  29. 	}
  30.  
  31. 	cout<<"The minimum sum is:"<<mini;
  32. 	return 0;
  33. }
Success #stdin #stdout 0.01s 5288KB
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stdout
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The minimum sum is:1
https://ideone.com/RUBZs0
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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