Submission #805891

#	Time	Username	Problem	Language	Result	Execution time	Memory
805891		Faee	Intercastellar (JOI22_ho_t1)	C++14	100 / 100	61 ms	6736 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define endl "\n"
#define pii pair<ll,ll>
#define pb push_back
#define vi vector<ll>
#define pque priority_queue
#define pqueg priority_queue<ll,vector<ll>,greater<ll>>
#define que queue<ll>
#define FOR(m,i,n) for(int i=(m); i<=(n); i++)
#define FORM(m,i,n) for(int i=(m); i>=(n); i--)
#define all(v) sort(v.begin(),v.end())
ll n,q,x,freq;
ll l,r,m,ans;
ll pref[200200];
ll a[200200];
int main() {
  	ios_base::sync_with_stdio(0);
  	cin.tie(0);
  	cin >> n;
  	FOR(1,i,n) {
    	cin >> a[i];
    	freq = 1;
    	while(a[i] % 2 == 0) {
      		a[i] /= 2;
      		freq *= 2;
    	}
   	 	pref[i] = pref[i-1] + freq;
  	}
  	cin >> q;
  	while(q--) {
	    cin >> x;
	    l = 1;
	    r = n;
	    while(l <= r) {
	      	m = (l+r)/2;
	      	if(pref[m] >= x) {
	        	ans = a[m];
	        	r = m - 1;
	     	}
      		else {
        		l = m + 1;
      		}
		}
		cout << ans << endl;
	}
}

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