제출 #425536

#제출 시각아이디문제언어결과실행 시간메모리
425536haxorman선물상자 (IOI15_boxes)C++14
10 / 100
1 ms204 KiB
#include "boxes.h" #include "bits/stdc++.h" using namespace std; int n, k, l; long long delivery(int N, int K, int L, int p[]) { n = N, k = K, l = L; long long ans = 0; if (k == 1) { for (int i = 0; i < n; ++i) { ans += min(p[i], (l - 1) - p[i] + 1) * 2; } } else if (k == n) { long long half_1 = 0, half_2 = 0; for (int i = 0; i < n; ++i) { if (p[i] <= l / 2) { half_1 = p[i]; } else { if (!half_2) { half_2 = p[i]; } half_2 = min(half_2, (long long) p[i]); } } ans = min((long long) l, 2 * half_1 + 2 * ((l - 1) - half_2 + 1)); } return ans; }
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