Submission #967747

#	Time	Username	Problem	Language	Result	Execution time	Memory
967747		TAhmed33	Gap (APIO16_gap)	C++98	0 / 100	1004 ms	3100 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
typedef long long ll;
const ll inf = 1e18;
vector <ll> a;
pair <ll, ll> ask (ll l, ll r) {
	if (l > r) return {-1, -1};
	ll mn = l, mx = r;
	MinMax(l, r, &mn, &mx);
	return {mn, mx};
}
ll findGap (int t, int n) {
	auto g = ask(0, inf);
	ll ans = 0;
	ll cur = g.first;
	while (cur != g.second) {
		ll l = cur + 1, r = g.second, ne = -1;
		while (l <= r) {
			ll mid = (l + r) / 2;
			auto h = ask(cur, mid);
			if (h.second == cur) {
				l = mid + 1; 
			} else {
				r = mid - 1; ne = mid;
			}
		}
		ans = max(ans, ne - cur);
		cur = ne;
	}
	return ans;
}

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