# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
145273 | beso123 | Lost in the cycle (IOI19_cycle) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
#include "cycle.h"
#define int long long
using namespace std;
/*bool jump(int x) {
p = (p + x) % n;
cout<<p<<endl;
return (n - p) % n <= n / 2;
}*/
void escape(int n){
int l=0,r=0;
if(jump(0)){
l=0;
r=n/2;
}
else{
l=n/2+1;
r=n-1;
}
int h=0;
while(r-l>1){
int mid=((l+r)/2)+h;
h=n-(l+r)/2;
if(jump(mid))
l=(l+r)/2;
else
r=(l+r)/2;
}
if(jump(h+r))
return;
h=n-r;
jump(h+l);
return;
}