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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4.  
  5. #define maxa 1005
  6. #define maxn 105
  7. bool value[maxa*maxn];
  8. int a[maxn];
  9.  
  10. int main() {
  11.  
  12. 	int n;
  13. 	cin>>n;
  14. 	int mx=0;
  15. 	int i;
  16. 	for(i=0;i<n;++i){
  17. 		cin>>a[i];
  18. 	}
  19. 	memset(value,sizeof(value),0);
  20. 	value[0]=true;
  21. 	for(i=0;i<n;++i){
  22. 		vector<int> x; // gia tri moi dc tao thanh
  23. 		for(int j=0;j<=mx;++j){
  24. 			if(value[j]){
  25. 				x.push_back(j+a[i]);
  26. 			}
  27. 		}
  28. 		for(auto v: x){
  29. 			value[v]=true;
  30. 		}
  31. 		mx+=a[i];
  32. 	}
  33. 	int cnt=0;
  34.  
  35. 	for(i=1;i<=mx;++i){
  36. 		if(value[i]) {
  37. 			cnt++;
  38. 		}
  39. 	}
  40. 	cout<<cnt<<endl;
  41.  
  42. 	return 0;
  43. }
Success #stdin #stdout 0s 3568KB
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https://ideone.com/04p0BJ
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language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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