Submission #1308645

#	Time	Username	Problem	Language	Result	Execution time	Memory
1308645		HasanV11010238	Gap (APIO16_gap)	C++20	100 / 100	39 ms	3240 KiB

gap

#include "gap.h"
#include <bits/stdc++.h>
#define ll long long
#define MAX 1000000000000000000
using namespace std;
long long findGap(int T, int N)
{
	ll mi = 0, ma = 0, ans = 0, cur = 0, mx, sz;
	MinMax(0, MAX, &mi, &ma);
	if (T == 1){
		int pos = N;
		vector<ll> v;
		while (mi <= ma && mi != -1 && pos > 0){
			v.push_back(mi);
			v.push_back(ma);
			pos -= 2;
			if (mi == ma) pos++;
			if (pos == 0) break;
			if (mi + 1 > ma - 1) break;
			ll cl = mi + 1, cr = ma - 1;
			MinMax(cl, cr, &mi, &ma);
		}
		sort(v.begin(), v.end());
		for (int i = 1; i < v.size(); i++){
			ans = max(ans, v[i] - v[i - 1]);
		}
	}
	else{
		ans = (ma - mi) / (ll)(N - 1), cur = mi;
		mx = ma, sz = ans;
		while (cur < mx){
			MinMax(cur + 1, cur + sz, &mi, &ma);
			if (mi == -1){
				sz *= 2;
			}
			else{
				ans = max(ans, mi - cur);
				cur = ma, sz = ans;
			}
		}
	}
	return ans;
}

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