oj.uz

답안 #97607

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
97607 2019-02-17T12:53:00 Z dalgerok Ice Hockey World Championship (CEOI15_bobek) C++14
100 / 100
 635 ms 8788 KB 
#include<bits/stdc++.h>
using namespace std;




int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n, sz;
    long long m, x;
    cin >> n >> m;
    vector < long long > a, b;
    for(int i = 0; i < n; i++){
        cin >> x;
        if(i & 1){
            a.push_back(x);
        }
        else{
            b.push_back(x);
        }
    }
    long long ans = 0;
    sz = (int)a.size();
    vector < long long > q;
    for(int i = 1; i < (1 << sz); i++){
        long long sum = 0;
        for(int j = 0; j < sz; j++){
            if((i >> j) & 1){
                sum += a[j];
            }
        }
        if(sum <= m){
            ans += 1;
            q.push_back(sum);
        }
    }
    sort(q.begin(), q.end());
    sz = (int)b.size();
    for(int i = 1; i < (1 << sz); i++){
        long long sum = 0;
        for(int j = 0; j < sz; j++){
            if((i >> j) & 1){
                sum += b[j];
            }
        }
        if(sum <= m){
            ans += 1;
            ans += upper_bound(q.begin(), q.end(), m - sum) - q.begin();
        }
    }
    cout << ans + 1;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 0 ms 384 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 256 KB Output is correct
7 Correct 5 ms 384 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 316 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 380 KB Output is correct

Subtask #4
10.0 / 10.0

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

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 1024 KB Output is correct
2 Correct 101 ms 2552 KB Output is correct
3 Correct 635 ms 8788 KB Output is correct
4 Correct 112 ms 2544 KB Output is correct
5 Correct 18 ms 1024 KB Output is correct
6 Correct 11 ms 768 KB Output is correct
7 Correct 10 ms 384 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 49 ms 1532 KB Output is correct
2 Correct 34 ms 1024 KB Output is correct
3 Correct 210 ms 4668 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 10 ms 768 KB Output is correct
6 Correct 18 ms 1024 KB Output is correct
7 Correct 10 ms 384 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 78 ms 1532 KB Output is correct
2 Correct 174 ms 2552 KB Output is correct
3 Correct 189 ms 2552 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 93 ms 2552 KB Output is correct
6 Correct 280 ms 8672 KB Output is correct
7 Correct 48 ms 384 KB Output is correct

Subtask #8
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 418 ms 4556 KB Output is correct
2 Correct 31 ms 1024 KB Output is correct
3 Correct 14 ms 768 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 10 ms 768 KB Output is correct
6 Correct 197 ms 4596 KB Output is correct
7 Correct 12 ms 384 KB Output is correct

Subtask #9
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 1024 KB Output is correct
2 Correct 104 ms 2552 KB Output is correct
3 Correct 12 ms 640 KB Output is correct
4 Correct 11 ms 768 KB Output is correct
5 Correct 123 ms 2552 KB Output is correct
6 Correct 24 ms 1024 KB Output is correct
7 Correct 131 ms 380 KB Output is correct

Subtask #10
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 506 ms 8788 KB Output is correct
2 Correct 40 ms 1024 KB Output is correct
3 Correct 13 ms 768 KB Output is correct
4 Correct 588 ms 8668 KB Output is correct
5 Correct 134 ms 4588 KB Output is correct
6 Correct 19 ms 1024 KB Output is correct
7 Correct 19 ms 384 KB Output is correct