Submission #1365000

#	Time	Username	Problem	Language	Result	Execution time	Memory
1365000		lucasdmy	A Difficult(y) Choice (BOI21_books)	C++20	0 / 100	1 ms	812 KiB

books

#include <bits/stdc++.h>
#include "books.h"
using namespace std;
void solve(int n, int books, long long int a, int s){
    vector<int>v(n);
    for(int k=1;k<=n;k++){
        v[k-1]=skim(k);
    }
    for(int k=0;k<n-1;k++){
        for(int i=k+1;i<n;i++){
            int aux=lower_bound(v.begin(), v.end(), 2*a-v[k]-v[i])-v.begin();
            if(aux<=i){
                continue;
            }
            if(aux==n){
                if(i==n-1){
                    continue;
                }
                if(v[k]+v[i]+v[n-1]<a){
                    continue;
                }
                answer({k, i, n-1});
            }
            if(v[aux]+v[k]+v[i]==2*a){
                answer({k, i, aux});
            }
            if(aux!=i+1 and v[aux-1]+v[k]+v[i]>a){
                answer({k, i, aux-1});
            }
        }
    }
    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