Submission #109320

#	Time	Username	Problem	Language	Result	Execution time	Memory
109320		b2563125	Gap (APIO16_gap)	C++14	0 / 100	71 ms	1400 KiB

gap

#include<iostream>
#include<algorithm>
#include<vector>
#include "gap.h"
using namespace std;
#define vel vector<long long>
#define rep(i,n) for(long long i=0;i<n;i++)
int pr = 1000000007;
int ref(int &a) {
	a = a % pr;
	a += pr;
	a = a % pr;
	return a;
}
long long findGap(int t, int n) {
	long long N = n;
	long long a1; long long an;
	long long INF = pr - 7;
	INF *= INF;
	MinMax(0, max(INF,INF-INF), &a1, &an);
	long long X = an - a1 + 1;
	long long now_min = a1;
	long long ans = 0;
	rep(i, n) {
		long long mn, mx;
		MinMax(a1 + (X*i) / N, max(a1 + (X*(i + 1)) / N, a1 + (X*i) / N), &mn, &mx);
		if (mn != -1) {
			ans = max(mn - now_min, ans);
			now_min = mx;
		}
	}
	return ans;
}

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