#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;
}
}
