| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1137523 | viwlesxq | 선물상자 (IOI15_boxes) | C++20 | 0 ms | 328 KiB |
#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;
long long delivery(int n, int k, int l, int p[]) {
auto dist = [&](int x, int y) {
if (x > y) swap(x, y);
return min(y - x, x + (l - y) % l);
};
long long res = 0;
deque<int> q;
for (int i = 0; i < n; ++i) {
q.push_back(p[i]);
}
int pos = 0;
while (!q.empty()) {
int c = k;
while (!q.empty() && c--) {
if (dist(pos, q.front()) < dist(pos, q.back())) {
res += dist(pos, q.front());
pos = q.front();
q.pop_front();
} else {
res += dist(pos, q.back());
pos = q.back();
q.pop_back();
}
}
res += dist(pos, 0);
pos = 0;
}
return res;
}
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