Submission #937855

#	Time	Username	Problem	Language	Result	Execution time	Memory
937855		vjudge1	Intercastellar (JOI22_ho_t1)	C++17	100 / 100	61 ms	10836 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"


signed main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n; cin>>n;
	vector<int> v(n),d(n); for(int& i : v) cin>>i;
	vector<int> pre(n+1);
	for(int i = 0; i<n; i++){
		int temp = 0;
		int x = v[i];
		while(x%2 == 0) x/=2, temp++;
		d[i] = temp;
		pre[i+1] = pre[i] + (1ll<<temp);
		// cerr<<pre[i+1]<<" ";
	}
	// cerr<<endl;
	int q; cin>>q;
	while(q--){
		int x; cin>>x; x--;
		int idx = upper_bound(pre.begin(), pre.end(), x) - pre.begin()-1;
		x-=pre[idx]; 
		// looking for x
		// cout<<idx<<" ";
		cout<<v[idx]/(1ll<<d[idx])<<endl;
	}
}

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