Submission #906239

#	Time	Username	Problem	Language	Result	Execution time	Memory
906239		vjudge1	Lost in the cycle (IOI19_cycle)	C++17	100 / 100	1 ms	596 KiB

cycle

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

#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define F first
#define S second
#define pb push_back
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;

void escape(int n) {
	bool init = jump(0);
	int last = 1+n/2;
	for(int p = 30; p>=0; p--){
		int j = 1<<p;
		if(j>=n) continue;
		int u = j;
		if(!init){
			u = (n-last+j)%n;
		}
		last=j;
		init=jump(u);
	}
	if(!init)jump(n-last);
}

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