Submission #1263087

#	Time	Username	Problem	Language	Result	Execution time	Memory
1263087		sohamsen15	Rice Hub (IOI11_ricehub)	C++20	100 / 100	12 ms	1452 KiB

ricehub

#include "ricehub.h"

int besthub(int n, int _, int a[], long long b) {
    long long p[n + 1]; p[0] = 0; for (int i = 1; i <= n; i++) p[i] = a[i - 1] + p[i - 1]; int r = 0, m = 0, w = 0; 
    for (int l = 1, u = 1, v = n; l <= n; l++, u = l, v = n) while (u <= v) m = (u + v) / 2, w = (a[l + (m - l) / 2 - 1] * (2 * (l + (m - l) / 2) + 1 - l - m) + (p[m] + p[l - 1] - 2 * p[l + (m - l) / 2]) <= b), r = w ? ((r > m - l + 1) ? r : m - l + 1) : r, u = w ? (m + 1) : u, v = !w ? (m - 1) : v; 
    return r;
}

• Subtask 1: 17 / 17
• Subtask 2: 25 / 25
• Subtask 3: 26 / 26
• Subtask 4: 32 / 32