제출 #163591

#제출 시각아이디문제언어결과실행 시간메모리
163591shenxy선물상자 (IOI15_boxes)C++11
10 / 100
2 ms380 KiB
#include "boxes.h" #include <algorithm> using namespace std; long long delivery(int N, int K, int L, int p[]) { if (K == 1) { long long ans = 0; for (int i = 0; i < N; ++i) ans += min(p[i] * 2, (L - p[i]) * 2); return ans; } else if (K == N) { long long ans = min(L, min(2 * p[N - 1], 2 * (L - p[0]))); int* x = lower_bound(p, p + N, L / 2); ans = min((int) ans, 2 * (*(x - 1)) + 2 * (L - *x)); return ans; } else return 0; }
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