제출 #863483

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
863483		Ahmed_Solyman	A Difficult(y) Choice (BOI21_books)	C++14	0 / 100	2 ms	604 KiB

books

#include <bits/stdc++.h>

#include "books.h"

using namespace std;
typedef long long ll;
//
// --- Sample implementation for the task books ---
//
// To compile this program with the sample grader, place:
//     books.h books_sample.cpp sample_grader.cpp
// in a single folder and run:
//     g++ books_sample.cpp sample_grader.cpp
// in this folder.
//

void solve(int n, int k, long long a, int s) {
    // TODO implement this function
    vector<ll>v;
    for(int i=1;i<=n;i++){
        v.push_back(skim(i));
    }
    for(int i=0;i<n;i++){
        for(int j=i+1;j<n;j++){
            ll sum=v[i]+v[j];
            int z=upper_bound(v.begin(),v.end(),a*2-sum)-v.begin();
            z--;
            while(z==i || z==j)k--;
            if(z<0 || v[i]+v[j]+v[z]<a){
                continue;
            }
            answer({i+1,j+1,k+1});
            return;
        }
    }
    impossible();
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 15
• Subtask 3: 0 / 10
• Subtask 4: 0 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20