제출 #32036

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
32036		imeimi2000	Gap (APIO16_gap)	C++14	0 / 100	69 ms	7360 KiB

gap

#include "gap.h"
#include <algorithm>

using namespace std;
typedef long long llong;

int n;
const llong m = 1e18;
pair<llong, llong> ps[200000];
llong divpro(llong s, llong t) {
	if (n == 0) return t - s;
	llong ret = 0;
	llong q = (t - s - 1) / n;
	llong r = (t - s - 1) - q * n;
	llong pree = s;
	for (int i = 0, j = s; i < n; ++i) {
		llong dis = q + (i < r);
		MinMax(j + 1, j + dis, &ps[i].first, &ps[i].second);
		j += dis;
		if (ps[i].first == -1) continue;
		ret = max(ret, ps[i].first - pree);
		pree = ps[i].second;
 	}
	return max(ret, t - pree);
}

long long findGap(int T, int N)
{
	n = N;
	llong s, t;
	MinMax(0, m, &s, &t);
	n -= 2;
	if (T == 1) {
		llong ret = 0;
		llong i = s, j = t;
		while (n > 0) {
			MinMax(i + 1, j - 1, &i, &j);
			n -= 2;
			ret = max(ret, max(t - j, i - s));
			s = i; t = j;
		}
		return ret;
	}
	else {
		return divpro(s, t);
	}
}

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70