Submission #1262905

#	Time	Username	Problem	Language	Result	Execution time	Memory
1262905		s3rena_cc	Intercastellar (JOI22_ho_t1)	C++20	25 / 100	26 ms	4680 KiB

Main

/*#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <cmath>
#include <cstring>
#include <cstdio>
#include <cstdlib>
#include <bitset>
#include <numeric>
using namespace std;
#define ll long long
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n; cin>>n;
    vector<ll> arr(n);
    vector<ll> finalPosOfSeg(n);
    ll currPos = 0;


    for(int i = 0; i < n; i++){
        cin>>arr[i];
        ll cnt = 0;
        while(arr[i]%2!=1){
            cnt++;
            arr[i]/=2;
        }
        currPos+=pow(2, cnt);
        finalPosOfSeg[i] = currPos-1;
    }
    int q; cin>>q;
    int l = 0;
    while(q--){
        ll x; cin>>x; x--;
        while(finalPosOfSeg[l] < x){
            l++;
        }
        cout<<arr[l]<<"\n";
    }
}*/


#include <iostream>
#include <vector>
#include <cmath>
using namespace std;
#define ll long long

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n; 
    cin >> n;

    vector<ll> arr(n);
    vector<ll> finalPosOfSeg(n);
    ll currPos = 0;

    for (int i = 0; i < n; i++) {
        cin >> arr[i];
        ll cnt = 0;
        while (arr[i] % 2 == 0) { // keep dividing until odd
            cnt++;
            arr[i] /= 2;
        }
        currPos += (1LL << cnt); // use bit shift instead of pow
        finalPosOfSeg[i] = currPos - 1;
    }

    int q; 
    cin >> q;
    vector<int> xs(q);
    for (int i = 0; i < q; i++) {
        cin >> xs[i];
    }

    int l = 0;
    for (int i = 0; i < q; i++) {
        int x = xs[i] - 1; // convert to 0-index
        while (finalPosOfSeg[l] < x) {
            l++;
        }
        cout << arr[l] << "\n";
    }

    return 0;
}

• Subtask 1: 25 / 25
• Subtask 2: 0 / 35
• Subtask 3: 0 / 40