| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1331248 | orgiloogii | Boxes with souvenirs (IOI15_boxes) | C++20 | 0 ms | 344 KiB |
#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;
long long dp[10000001];
long long dp1[10000001];
long long delivery(int n, int k, int l, int p[]) {
for (int i = 0;i < n;i++) {
if (i - k < 0) {
dp[i] = p[i] + min(p[i], l - p[i]);//butsah, toiroh
}
else {
dp[i] = dp[i - k] + p[i] + min(p[i], l - p[i]);
}
}
for (int i = n - 1;i >= 0;i--) {
if (i + k >= n) {
dp1[i] = p[i] + min(p[i], l - p[i]);//butsah, toiroh
}
else {
dp1[i] = dp1[i + k] + p[i] + min(p[i], l - p[i]);
}
}
long long ans = min(dp1[0], dp[n - 1]);
for (int i = 0;i < n - 1;i++) {
ans = min(ans, dp[i] + dp1[i + 1]);
}
return ans;
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