oj.uz

답안 #1110611

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1110611 2024-11-10T05:25:10 Z kasdo Ice Hockey World Championship (CEOI15_bobek) C++14
100 / 100
 336 ms 10852 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int maxn = 45;
vector<int> v;
int n, m;
int a[maxn];
int mid;
int ans = 0;
void rec(int i, int sum)
{
    if (i == mid)
    {
        v.push_back(sum);
        return;
    }
    rec(i + 1, sum); rec(i + 1, sum + a[i]);
}
void rec2(int i, int sum)
{
    if (i == mid - 1)
    {
        int idx = upper_bound(v.begin(), v.end(), m - sum) - v.begin();
        // cout<<sum<<" "<<idx<<endl;
        ans += idx;
        return;
    }
    rec2(i - 1, sum); rec2(i - 1, sum + a[i]);
}
signed main()
{
    cin>>n>>m;
    
    for(int i=0; i<n; i++) cin>>a[i];
    
    mid = (n + 1) / 2;
    rec(0, 0);
    sort(v.begin(), v.end());
    
    // for(auto i : v) cout<<i<<" ";
    // cout<<endl;
    
    rec2(n - 1, 0);
    cout<<ans<<endl;
    
    return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 508 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 1 ms 504 KB Output is correct
7 Correct 1 ms 592 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 1592 KB Output is correct
2 Correct 70 ms 3780 KB Output is correct
3 Correct 304 ms 10852 KB Output is correct
4 Correct 75 ms 3524 KB Output is correct
5 Correct 5 ms 972 KB Output is correct
6 Correct 4 ms 716 KB Output is correct
7 Correct 6 ms 972 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 1480 KB Output is correct
2 Correct 19 ms 1604 KB Output is correct
3 Correct 127 ms 6592 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 4 ms 716 KB Output is correct
6 Correct 8 ms 972 KB Output is correct
7 Correct 6 ms 972 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 48 ms 3524 KB Output is correct
2 Correct 92 ms 6592 KB Output is correct
3 Correct 90 ms 6592 KB Output is correct
4 Correct 1 ms 504 KB Output is correct
5 Correct 31 ms 6592 KB Output is correct
6 Correct 84 ms 10684 KB Output is correct
7 Correct 52 ms 6592 KB Output is correct

Subtask #8
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 211 ms 10684 KB Output is correct
2 Correct 20 ms 1480 KB Output is correct
3 Correct 8 ms 716 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 3 ms 716 KB Output is correct
6 Correct 98 ms 10684 KB Output is correct
7 Correct 6 ms 972 KB Output is correct

Subtask #9
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 1480 KB Output is correct
2 Correct 60 ms 3464 KB Output is correct
3 Correct 5 ms 716 KB Output is correct
4 Correct 6 ms 716 KB Output is correct
5 Correct 33 ms 6592 KB Output is correct
6 Correct 11 ms 1480 KB Output is correct
7 Correct 105 ms 10684 KB Output is correct

Subtask #10
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 243 ms 10684 KB Output is correct
2 Correct 19 ms 1480 KB Output is correct
3 Correct 6 ms 716 KB Output is correct
4 Correct 336 ms 10684 KB Output is correct
5 Correct 55 ms 6592 KB Output is correct
6 Correct 7 ms 972 KB Output is correct
7 Correct 13 ms 1480 KB Output is correct