Submission #1132173

#	Time	Username	Problem	Language	Result	Execution time	Memory
1132173		totoro	Lost in the cycle (IOI19_cycle)	C++20	100 / 100	0 ms	396 KiB

cycle

#include "cycle.h"

int N;

inline int back(int k) {
	return N-k;
}

void escape(int n) {
	N=n;
	int jumpsz = n/2;
	bool can = jump(0);
	while (jumpsz) {
		if (can) {
			can = jump(jumpsz);
		} else {
			can = jump(back(jumpsz));
		}
		if (jumpsz == 1) jumpsz = 0;
		jumpsz = (jumpsz+1)/2;
	}
	if (!can) jump(back(1));
}

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