Submission #676551

#	Time	Username	Problem	Language	Result	Execution time	Memory
676551		ensonlung	Intercastellar (JOI22_ho_t1)	C++17	100 / 100	89 ms	10700 KiB

Main

#include <bits/stdc++.h>
using namespace std;
int n,m;
struct cake{
	int len;
	long long l,r;
}a[200005];
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	cin>>n;
	a[0].r=0;
	for (int i=1;i<=n;i++){
		cin>>a[i].len;
		long long cnt=1;
		while (a[i].len%2==0){
			a[i].len/=2;
			cnt*=2;
		}
		a[i].l=a[i-1].r+1;
		a[i].r=a[i-1].r+cnt;
	}
	cin>>m;
	while (m--){
		long long t,ptl=1,ptr=n,mid;
		cin>>t;
		while (ptl<=ptr){
			mid=(ptl+ptr)/2;
			if (a[mid].l<=t && a[mid].r>=t){
				cout<<a[mid].len<<"\n";
				break;
			}
			else if (a[mid].l>t) ptr=mid-1;
			else ptl=mid+1;
		}
	}
	return 0;
}

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 40 / 40