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  1. #include <bits/stdc++.h>
  2. #define ll long long
  3.  
  4. using namespace std;
  5.  
  6. const int MOD = 1e9 + 7;
  7.  
  8. void solve(){
  9. 	int n, k, m;
  10. 	cin >> n >> m >> k;
  11.  
  12. 	vector<int> a(n);
  13.  
  14. 	int len = 0;
  15. 	ll sum = 0;
  16. 	ll ans = 0;
  17. 	for(int i = 0; i < n; i++){
  18. 		cin >> a[i];
  19. 		sum += a[i];
  20. 		len++;
  21. 		if(sum <= 0){
  22. 			len = 0;
  23. 			sum = 0;
  24. 		}
  25.  
  26. 		ans = max(ans, (ll)(sum - (k * ceil(len * 1.0 / m))));
  27. 	}
  28. 	cout << ans << "\n";
  29.  
  30. }
  31.  
  32. int main(){
  33. 	ios_base::sync_with_stdio(false);
  34. 	cin.tie(nullptr);
  35.  
  36. 	int t = 1;
  37. 	cin >> t;
  38.  
  39. 	for(int i = 1; i <= t; i++){
  40. 		solve();
  41. 	}
  42. 	return 0;
  43. }
Success #stdin #stdout 0s 5264KB
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stdin
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1
3 1 1
1 2 7
stdout
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7
https://ideone.com/cznfCK
language:
C++14 (gcc 8.3)
created:
4 days ago
visibility:
public

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