Submission #732996

#	Time	Username	Problem	Language	Result	Execution time	Memory
732996		SanguineChameleon	Gap (APIO16_gap)	C++17	100 / 100	66 ms	3188 KiB

gap

#include "gap.h"
#include <bits/stdc++.h>
using namespace std;

long long findGap(int T, int N) {
	if (T == 1) {
		long long mi = 0;
		long long mx = 1e18L;
		int lt = 0;
		int rt = N - 1;
		vector<long long> a(N);
		while (lt <= rt) {
			MinMax(mi, mx, &mi, &mx);
			a[lt] = mi;
			a[rt] = mx;
			mi++;
			mx--;
			lt++;
			rt--;
		}
		long long res = 0;
		for (int i = 1; i < N; i++) {
			res = max(res, a[i] - a[i - 1]);
		}
		return res;
	}
	else {
		long long mi = 0;
		long long mx = 1e18L;
		MinMax(mi, mx, &mi, &mx);
		long long len = (mx - mi - 1) / (N - 1) + 1;
		vector<long long> a;
		a.push_back(mi);
		for (int i = 1; i <= N - 1; i++) {
			long long lt = mi + 1 + len * (i - 1);
			long long rt = mi + len * i;
			MinMax(lt, rt, &lt, &rt);
			if (lt != -1) {
				a.push_back(lt);
				a.push_back(rt);
			}
		}
		long long res = 0;
		for (int i = 1; i < (int)a.size(); i++) {
			res = max(res, a[i] - a[i - 1]);
		}
		return res;
	}
}

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