| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1224291 | Jer | A Difficult(y) Choice (BOI21_books) | C++20 | 1 ms | 416 KiB |
#include <bits/stdc++.h>
#include "books.h"
typedef long long ll;
using namespace std;
const int MAXN = 1005;
ll books[MAXN];
int n;
void solve(int N, int K, long long A, int S) {
n = N;
for (int i = 1; i <= n; i++)
books[i] = skim(i);
int sum, l, r;
for (int i = 1; i <= n; i++)
{
l = 1, r = n;
while (l < r)
{
if (l == i) l++;
if (r == i) r--;
if (l == r)
break;
sum = books[l] + books[r] + books[i];
if (sum >= A and sum <= 2 * A)
{
vector<int> res = {i, l, r};
sort(res.begin(), res.end());
answer(res);
return;
}
if (sum < A) l++;
else if (sum > A) r--;
}
}
impossible();
}
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