제출 #870271

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
870271		vjudge1	Ice Hockey World Championship (CEOI15_bobek)	C++17	70 / 100	66 ms	7580 KiB

bobek

#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main()
{
	int n,m;
	cin >> n >> m;
	vector <int> a(n);
	for (int i = 0; i < n; i++)
		cin >> a[i];
	if (m <= 1000000)
	{
	vector <int> dp(m+1,0);
	dp[0] = 1;
	for (int i = 0; i < n; i++)
		for (int j = m; j >= a[i]; j--)				
			dp[j] += dp[j-a[i]];
	int cnt = 0;
	for (int i = 0; i <= m; i++)
		cnt+=dp[i];
	cout << cnt << '\n';	
}
else

{
	int cnt = 0;
		for (int i = 0; i < (1<<n); i++)
		{
			int sum = 0;
			for (int j = 0; j < n; j++)
				if ((1<<j)&i)
					sum+=a[j];
			if (sum <= m)
				cnt++;
		}
		cout << cnt << '\n';
}

}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10