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답안 #208178

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
208178 2020-03-10T07:18:40 Z Jalilvand_mJ Ice Hockey World Championship (CEOI15_bobek) C++14
100 / 100
 544 ms 8672 KB 
//HovalHaq!
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

int main() {
	int n; cin >> n;
	ll m, r = 0; cin >> m;
	vector<ll> A(n), X;
	for(int i = 0; i < n; i++) cin >> A[i];
	
	int a = n / 2;
	for(int msk = 0; msk < (1 << a); msk++) {
		ll s = 0;
		for(int i = 0; i < a; i++) 
			if(msk & (1 << i))
				s += A[i];
		if(s <= m) X.push_back(s);
	}
	sort(X.begin(), X.end());
	for(int msk = 0; msk < (1 << (n - a)); msk++) {
		ll s = 0;
		for(int i = 0; i < n - a; i++) 
			if(msk & (1 << i))
				s += A[a + i];
		r += upper_bound(X.begin(), X.end(), m - s) - X.begin();
	}
	cout << r;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 256 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 256 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 6 ms 376 KB Output is correct
7 Correct 5 ms 256 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 256 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 41 ms 1012 KB Output is correct
2 Correct 112 ms 2572 KB Output is correct
3 Correct 544 ms 8668 KB Output is correct
4 Correct 119 ms 2540 KB Output is correct
5 Correct 21 ms 1012 KB Output is correct
6 Correct 14 ms 888 KB Output is correct
7 Correct 13 ms 256 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 49 ms 1524 KB Output is correct
2 Correct 44 ms 988 KB Output is correct
3 Correct 215 ms 4628 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 13 ms 760 KB Output is correct
6 Correct 20 ms 1012 KB Output is correct
7 Correct 13 ms 376 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 90 ms 1520 KB Output is correct
2 Correct 198 ms 2536 KB Output is correct
3 Correct 164 ms 2536 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 100 ms 2536 KB Output is correct
6 Correct 266 ms 8612 KB Output is correct
7 Correct 55 ms 256 KB Output is correct

Subtask #8
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 350 ms 4580 KB Output is correct
2 Correct 35 ms 1012 KB Output is correct
3 Correct 15 ms 760 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 13 ms 760 KB Output is correct
6 Correct 202 ms 4580 KB Output is correct
7 Correct 12 ms 256 KB Output is correct

Subtask #9
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 40 ms 1012 KB Output is correct
2 Correct 102 ms 2540 KB Output is correct
3 Correct 14 ms 760 KB Output is correct
4 Correct 15 ms 760 KB Output is correct
5 Correct 121 ms 2540 KB Output is correct
6 Correct 25 ms 1012 KB Output is correct
7 Correct 135 ms 256 KB Output is correct

Subtask #10
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 417 ms 8672 KB Output is correct
2 Correct 39 ms 1012 KB Output is correct
3 Correct 15 ms 760 KB Output is correct
4 Correct 511 ms 8668 KB Output is correct
5 Correct 156 ms 4584 KB Output is correct
6 Correct 20 ms 1012 KB Output is correct
7 Correct 20 ms 256 KB Output is correct