Submission #1218721

#	Time	Username	Problem	Language	Result	Execution time	Memory
1218721		nataliaa	Ice Hockey World Championship (CEOI15_bobek)	C++20	40 / 100	1097 ms	416 KiB

bobek

#include<bits/stdc++.h>
using namespace std;
#define int long long
void test_case() {
	int n, k;
	cin >> n >> k ;
	int a[n];
	for(int i = 0; i< n ; i++) cin >> a[i];
	int a1= 1, ans = 0;
	for(int i = 1; i<=n; i++) a1*=2;
	for(int i = 0; i<= a1; i++) {
		string s = "";
		int i1 = i;
		while(i1>0) {
		    if(i1%2==0) s+='0';
		    else s+='1';
		    i1/=2;
		}
		if(i==0) s = "0";
		int sum = 0;
		for(int j = 0; j < n; j++) {
			if(s[j]=='1') sum+=a[j];
		}
		if(sum<=k) ans++;
	}
	cout << ans-1;
}

signed main() {
	int t;
	t = 1;
	while(t--) test_case();
}

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