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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. const int mod=1e9+7;
  4. long long arr[10000],dp[10050],n,m;
  5. int main() {
  6. 	ios::sync_with_stdio(false);
  7. 	cin.tie(0),cout.tie(0);
  8. 	cin>>n>>m;
  9. 	for(int i=1;i<=n;i++){
  10. 		cin>>arr[i];
  11. 	}
  12. 	dp[0]=1;
  13. 	for(int i=1;i<=m;i++){
  14. 		for(int j=1;j<=n;j++){
  15. 			if(i<arr[j]){
  16. 				continue;
  17. 			}
  18. 			dp[i]=(dp[i-arr[j]]+dp[i])%mod;
  19. 		}
  20. 	}
  21. 	cout<<dp[m]/(m-n-5);
  22. 	return 0;
  23. }
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/117KbH
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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