oj.uz

답안 #1110793

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1110793 2024-11-10T13:43:13 Z aliyousef Ice Hockey World Championship (CEOI15_bobek) C++17
100 / 100
 338 ms 10692 KB 
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
using ll=long long;
ll a[41];
vector<ll>v;
int n;
ll m;
ll ans=0;
void rec(int i,ll sm){
    if(i==n/2){
        v.push_back(sm);
        return;
    }
    rec(i+1,sm+a[i]);rec(i+1,sm);
}
void rec2(int i,ll sm){
    if(i==n){
        int idx=upper_bound(v.begin(),v.end(),m-sm)-v.begin();
        ans+=idx;
        return;
    }
    rec2(i+1,sm+a[i]);rec2(i+1,sm);
}
signed main() {
	cin.tie(0)->sync_with_stdio(0);
	cin>>n>>m;
	for(int i=0;i<n;i++)cin>>a[i];
	rec(0,0);
	sort(v.begin(),v.end());
	rec2(n/2,0);
	cout<<ans;
}

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 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 508 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 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 980 KB Output is correct
2 Correct 69 ms 3700 KB Output is correct
3 Correct 325 ms 10692 KB Output is correct
4 Correct 68 ms 3532 KB Output is correct
5 Correct 7 ms 980 KB Output is correct
6 Correct 4 ms 724 KB Output is correct
7 Correct 6 ms 980 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 1488 KB Output is correct
2 Correct 18 ms 980 KB Output is correct
3 Correct 134 ms 6772 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 3 ms 724 KB Output is correct
6 Correct 7 ms 1144 KB Output is correct
7 Correct 6 ms 980 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 1660 KB Output is correct
2 Correct 117 ms 3532 KB Output is correct
3 Correct 130 ms 3532 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 25 ms 3532 KB Output is correct
6 Correct 88 ms 10692 KB Output is correct
7 Correct 25 ms 3532 KB Output is correct

Subtask #8
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 265 ms 6600 KB Output is correct
2 Correct 17 ms 1148 KB Output is correct
3 Correct 7 ms 724 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 3 ms 724 KB Output is correct
6 Correct 60 ms 6600 KB Output is correct
7 Correct 7 ms 980 KB Output is correct

Subtask #9
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 980 KB Output is correct
2 Correct 63 ms 3532 KB Output is correct
3 Correct 5 ms 724 KB Output is correct
4 Correct 5 ms 848 KB Output is correct
5 Correct 29 ms 3532 KB Output is correct
6 Correct 8 ms 1104 KB Output is correct
7 Correct 98 ms 10692 KB Output is correct

Subtask #10
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 269 ms 10692 KB Output is correct
2 Correct 23 ms 980 KB Output is correct
3 Correct 7 ms 848 KB Output is correct
4 Correct 338 ms 10692 KB Output is correct
5 Correct 42 ms 6600 KB Output is correct
6 Correct 7 ms 980 KB Output is correct
7 Correct 13 ms 1488 KB Output is correct