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Submission #208152

# Submission time Handle Problem Language Result Execution time Memory
208152 2020-03-10T06:31:44 Z alidoosti Ice Hockey World Championship (CEOI15_bobek) C++14
100 / 100
 571 ms 8684 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long

const int maxn = 42;
int n, m, ans, a[maxn];
vector <int> v;

int32_t main() {
	cin >> n >> m;
	for (int i = 0; i < n; i++) cin >> a[i];
	for (int msk = 0; msk < (1 << (n / 2)); msk++) {
		int S = 0;
		for (int j = 0; j < n / 2; j++) {
			if (msk & (1 << j)) S += a[j];
		}
		v.push_back(S);
	}
	sort(v.begin(), v.end());
	for (int msk = 0; msk < (1 << (n - (n / 2))); msk++) {
		int S = 0;
		for (int j = 0; j < n - (n / 2); j++) {
			if (msk & (1 << j)) S += a[j + (n / 2)];
		}
		ans += upper_bound(v.begin(), v.end(), m - S) - v.begin();
	}
	cout << ans;
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 376 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 380 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory 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 6 ms 256 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 1012 KB Output is correct
2 Correct 115 ms 2512 KB Output is correct
3 Correct 571 ms 8672 KB Output is correct
4 Correct 109 ms 2540 KB Output is correct
5 Correct 21 ms 1012 KB Output is correct
6 Correct 11 ms 760 KB Output is correct
7 Correct 20 ms 1012 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 1392 KB Output is correct
2 Correct 40 ms 1008 KB Output is correct
3 Correct 210 ms 4584 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 12 ms 760 KB Output is correct
6 Correct 20 ms 1012 KB Output is correct
7 Correct 19 ms 1012 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 1520 KB Output is correct
2 Correct 182 ms 2540 KB Output is correct
3 Correct 171 ms 2536 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 103 ms 2540 KB Output is correct
6 Correct 273 ms 8668 KB Output is correct
7 Correct 88 ms 2536 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 370 ms 4580 KB Output is correct
2 Correct 42 ms 1012 KB Output is correct
3 Correct 16 ms 760 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 13 ms 760 KB Output is correct
6 Correct 202 ms 4580 KB Output is correct
7 Correct 20 ms 1012 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 1012 KB Output is correct
2 Correct 105 ms 2540 KB Output is correct
3 Correct 14 ms 760 KB Output is correct
4 Correct 14 ms 760 KB Output is correct
5 Correct 130 ms 2536 KB Output is correct
6 Correct 25 ms 1012 KB Output is correct
7 Correct 270 ms 8684 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 421 ms 8668 KB Output is correct
2 Correct 42 ms 1012 KB Output is correct
3 Correct 15 ms 760 KB Output is correct
4 Correct 569 ms 8668 KB Output is correct
5 Correct 156 ms 4580 KB Output is correct
6 Correct 19 ms 1016 KB Output is correct
7 Correct 35 ms 1516 KB Output is correct