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  1. #include "bits/stdc++.h"
  2. using namespace std;
  3.  
  4. #define fi first
  5. #define se second
  6. #define pii pair<int,int> 
  7. #define all(x) x.begin(), x.end()
  8. #define sz(x) (int)x.size()
  9. #define pb push_back
  10. #define ll long long
  11. const int N = 105;
  12. int n, a[N];
  13. ll ps[N];
  14.  
  15. ll S(int l, int r){
  16. 	return ps[r]- ps[l-1];
  17. }
  18. ll calc(int x, int y, int z){
  19. 	return S(1,x-1)- S(x,y-1)+ S(y,z-1)- S(z,n);
  20. }
  21.  
  22. signed main(){
  23. 	ios_base::sync_with_stdio(NULL);
  24. 	cin.tie(NULL);
  25. 	if(fopen("TASK.INP", "r")){
  26. 		freopen("TASK.INP", "r", stdin);
  27. 		freopen("TASK.ANS", "w", stdout);
  28. 	}
  29. 	cin>>n;
  30. 	for(int i=1;i<=n;i++) cin>>a[i];
  31. 	for(int i=1;i<=n;i++) ps[i] = ps[i-1]+a[i];
  32.  
  33. 	ll ans = 1e18;
  34.  
  35. 	for(int x=2;x<n-1;x++){
  36. 		for(int y=x+1;y<n;y++){
  37. 			for(int z=y+1;z<=n;z++){
  38. 				ans = min(ans, calc(x,y,z));
  39. 			}
  40. 		}
  41. 	}
  42. 	cout<<ans;
  43. }
  44.  
Success #stdin #stdout 0s 5316KB
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stdin
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Standard input is empty
stdout
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1000000000000000000
https://ideone.com/iDRAL3
language:
C++14 (gcc 8.3)
created:
13 days ago
visibility:
public

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