Submission #574761

#	Time	Username	Problem	Language	Result	Execution time	Memory
574761		birthdaycake	A Difficult(y) Choice (BOI21_books)	C++17	0 / 100	5 ms	208 KiB

books

#include <bits/stdc++.h>

#include "books.h"

using namespace std;

long long b[200001];

void solve(int n, int k, long long a, int s) {
    int j = 0;
    for(int i = 0; i < n; i++) {
        b[i] = skim(i + 1);
    }
    for(int i = 0; i < n; i++){
        for(int j = i + 1; j < n; j++){
            for(int t = j + 1; t < n; t++){
                int tot = b[i] + b[j] + b[t];
                if(tot >= a && tot <= 2 * a){
                    vector<int>fin = {i+1,j+1,t+1};
                    answer(fin);
                    return;
                }
            }
        }
    }
    impossible();
    
}

Compilation message (stderr)

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:10:9: warning: unused variable 'j' [-Wunused-variable]
   10 |     int j = 0;
      |         ^

• 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