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답안 #1110792

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1110792 2024-11-10T13:41:10 Z aliyousef Ice Hockey World Championship (CEOI15_bobek) C++17
50 / 100
 317 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,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 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
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 980 KB Output is correct
2 Correct 70 ms 3532 KB Output is correct
3 Correct 317 ms 10692 KB Output is correct
4 Correct 64 ms 3532 KB Output is correct
5 Correct 5 ms 980 KB Output is correct
6 Correct 4 ms 724 KB Output is correct
7 Correct 6 ms 1148 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 1488 KB Output is correct
2 Correct 18 ms 980 KB Output is correct
3 Correct 137 ms 6600 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 7 ms 980 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 45 ms 1488 KB Output is correct
2 Correct 106 ms 3532 KB Output is correct
3 Correct 107 ms 3532 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 24 ms 3764 KB Output is correct
6 Correct 85 ms 10692 KB Output is correct
7 Correct 24 ms 3532 KB Output is correct

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 32 ms 6600 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 4 ms 980 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 45 ms 10692 KB Output isn't correct
2 Halted 0 ms 0 KB -