oj.uz

답안 #118774

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
118774 2019-06-19T17:37:42 Z silxikys Ice Hockey World Championship (CEOI15_bobek) C++14
20 / 100
 1000 ms 66056 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

const int maxn = 45;

template <class K, class V = __gnu_pbds::null_type>
using ordered_multiset = __gnu_pbds::tree<K, V, std::less_equal<K>, __gnu_pbds::rb_tree_tag, __gnu_pbds::tree_order_statistics_node_update>;

int N, M;
ll A[maxn], B[maxn];

int main()
{
	cin >> N >> M;
	int split = N/2;
	for (int i = 0; i < split; i++) {
		cin >> A[i];
	}
    for (int i = split; i < N; i++) {
        cin >> B[i-split];
    }
    ordered_multiset<ll> s;
	for (int i = 0; i < (1<<split); i++) {
        ll total = 0;
        for (int j = 0; j < split; j++) {
            if (i & (1<<j)) total += A[j];
        }
        s.insert(total);
    }

    ll ans = 0;
    for (int i = 0; i < (1<<(N-split)); i++) {
        ll total = 0;
        for (int j = 0; j < N-split; j++) {
            if (i & (1<<j)) total += B[j];
        }
        if (total <= M) {
            ans += s.order_of_key(M-total+1);
        }
    }
    cout << ans << '\n';
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 86 ms 4380 KB Output is correct
2 Correct 459 ms 16872 KB Output is correct
3 Execution timed out 1074 ms 57720 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 145 ms 8568 KB Output is correct
2 Correct 80 ms 4472 KB Output is correct
3 Execution timed out 1067 ms 33256 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 216 ms 8572 KB Output is correct
2 Correct 659 ms 16864 KB Output is correct
3 Correct 632 ms 16772 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 287 ms 16840 KB Output is correct
6 Execution timed out 1074 ms 56124 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 938 ms 33272 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 80 ms 4456 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1068 ms 66056 KB Time limit exceeded
2 Halted 0 ms 0 KB -