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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int n, ar[22], sz;
  5.  
  6. int solve(int idx, int rem) {
  7. 	if (idx == sz)
  8. 		return (n - rem);
  9. 	int ret = 0;
  10. 	ret = max(ret, solve(idx + 1, rem));
  11. 	if (rem >= ar[idx])
  12. 		ret = max(ret, solve(idx + 1, rem - ar[idx]));
  13. 	return ret;
  14. }
  15.  
  16. int main() {
  17. 	while (cin >> n) {
  18. 		cin >> sz;
  19. 		for (int i = 0; i < sz; i++)
  20. 			cin >> ar[i];
  21. 		cout << solve(0, n) << "\n";
  22. 	}
  23. 	return 0;
  24. }
Success #stdin #stdout 0s 4560KB
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https://ideone.com/uR4HPd
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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