oj.uz

답안 #851914

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
851914 2023-09-20T19:24:48 Z kderylo Ice Hockey World Championship (CEOI15_bobek) C++17
100 / 100
 296 ms 22908 KB 
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
long long tab[50];
vector<long long>w;
vector<long long>w2;
void calculate_values(int start,int ile,int id)
{
    for(int i=0;i<(1<<ile);i++){
        long long suma=0;
        for(int j=0;j<ile;j++){
            if((i&(1<<j))>0){
                suma+=tab[start+j];
            }
        }
        if(id==1){
            w.push_back(suma);
        }
        else{
            w2.push_back(suma);
        }
    }
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int ile;
    long long limit;
    cin>>ile>>limit;
    for(int i=0;i<ile;i++){
        cin>>tab[i];
    }
    if(ile==1){
        if(tab[0]<=limit){
            cout<<"2";
        }
        else{
            cout<<"1";
        }
        return 0;
    }
    calculate_values(0,ile/2,1);
    calculate_values(ile/2,ile-(ile/2),2);
    sort(w.begin(),w.end());
    sort(w2.begin(),w2.end());
    long long war=0;
    long long index=-1;
    for(int i=(int)w.size()-1;i>=0;i--){
        while(index+1<(int)w2.size()&&w2[index+1]+w[i]<=limit){
            index++;
        }
        war+=(index+1);
    }
    cout<<war;

    return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 2140 KB Output is correct
2 Correct 70 ms 5576 KB Output is correct
3 Correct 295 ms 21940 KB Output is correct
4 Correct 69 ms 5576 KB Output is correct
5 Correct 12 ms 1756 KB Output is correct
6 Correct 8 ms 1112 KB Output is correct
7 Correct 16 ms 1752 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 3032 KB Output is correct
2 Correct 26 ms 2144 KB Output is correct
3 Correct 123 ms 12088 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 6 ms 988 KB Output is correct
6 Correct 16 ms 1500 KB Output is correct
7 Correct 16 ms 1752 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 53 ms 3676 KB Output is correct
2 Correct 105 ms 7788 KB Output is correct
3 Correct 108 ms 7452 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 72 ms 7768 KB Output is correct
6 Correct 261 ms 22160 KB Output is correct
7 Correct 104 ms 7500 KB Output is correct

Subtask #8
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 215 ms 14724 KB Output is correct
2 Correct 24 ms 2144 KB Output is correct
3 Correct 8 ms 1112 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 6 ms 1032 KB Output is correct
6 Correct 217 ms 13920 KB Output is correct
7 Correct 16 ms 1500 KB Output is correct

Subtask #9
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 2144 KB Output is correct
2 Correct 70 ms 5580 KB Output is correct
3 Correct 8 ms 988 KB Output is correct
4 Correct 8 ms 1116 KB Output is correct
5 Correct 81 ms 8180 KB Output is correct
6 Correct 24 ms 2144 KB Output is correct
7 Correct 285 ms 21164 KB Output is correct

Subtask #10
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 288 ms 21684 KB Output is correct
2 Correct 25 ms 2124 KB Output is correct
3 Correct 8 ms 1116 KB Output is correct
4 Correct 296 ms 22908 KB Output is correct
5 Correct 102 ms 12232 KB Output is correct
6 Correct 17 ms 1752 KB Output is correct
7 Correct 33 ms 3032 KB Output is correct