Submission #838389

#	Time	Username	Problem	Language	Result	Execution time	Memory
838389		beaboss	Lost in the cycle (IOI19_cycle)	C++14	100 / 100	1 ms	280 KiB

cycle

#include <bits/stdc++.h>
using namespace std;
bool jump(int x);
void escape(int n) {
	bool works = jump(0);

	while (!works) works = jump(n/2);

	int lo = 0;
	int hi = n/2;
	int cur_dist = 0;

	while (lo < hi) {
		
		int m = (lo + hi + 1)/2;

		if (jump((m - cur_dist + n) % n)) {
			lo = m;
		} else hi = m-1;

		cur_dist = m;
	}

	jump((lo - cur_dist + n) % n);

}

• Subtask 1: 11 / 11
• Subtask 2: 33 / 33
• Subtask 3: 56 / 56