Submission #406004

#	Time	Username	Problem	Language	Result	Execution time	Memory
406004		Halogen	A Difficult(y) Choice (BOI21_books)	C++14	0 / 100	1 ms	584 KiB

books

#include <bits/stdc++.h>

#include "books.h"

using namespace std;
//
// --- 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.
//

int memo[100005];

int check(int pos) {
    return (memo[pos]) ? memo[pos] : memo[pos] = skim(pos);
}

void solve(int N, int K, long long A, int S) {
    memset(memo, 0, sizeof(memo));
    
    int start = 0;
    for (int i = 1; i <= K; i++) start += check(i);

    if (start > 2 * A) {impossible(); return;}
    if (start >= A) {
        vector<int> v;
        for (int i = 1; i <= K; i++) v.push_back(i);
        answer(v);
        return;
    }

    int end = 0;
    for (int i = 0; i < K; i++) end += check(i);
    if (end < A) {impossible(); return;}
    
    if (end <= 2 * A) {
        vector<int> v;
        for (int i = 0; i < K; i++) v.push_back(N - i);
        answer(v);
        return;
    }


}

• 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