Submission #340900

#	Time	Username	Problem	Language	Result	Execution time	Memory
340900		super_j6	Gap (APIO16_gap)	C++14	89.04 / 100	73 ms	1280 KiB

gap

#include "gap.h"
#include <iostream>
#include <cstdio>
#include <algorithm>
using namespace std;
#define endl '\n'
#define ll long long

void f(ll l, ll r, ll &x, ll &y){
	MinMax(l, r, &x, &y);
}

ll findGap(int t, int n){
	ll l, r, ret = 0;
	f(0, 1e18, l, r);
	if(t & 1){
		for(ll i = 1, x, y; 2 * i < n && r - l > 1; i++, l = x, r = y){
			f(l + 1, r - 1, x, y);
			if(!~x || !~y) break;
			ret = max({ret, r - y, x - l});
		}
	}else{
		for(ll d = (r - l) / (n - 1), i = l + 1; i < r; i += d){
			ll x, y;
			f(i, min(r - 1, i + d - 1), x, y);
			if(~x && ~y) ret = max({ret, x - l, y - x}), l = y;
		}
	}
	ret = max(ret, r - l);
	return ret;
}

• Subtask 1: 30 / 30
• Subtask 2: 59.037623636 / 70