Submission #1274775

#	Time	Username	Problem	Language	Result	Execution time	Memory
1274775		nanaseyuzuki	Intercastellar (JOI22_ho_t1)	C++20	100 / 100	71 ms	5352 KiB

Main

#include <bits/stdc++.h>
// Author: Kazuki_Will_Win_VOI_8703
#define fi first
#define se second
#define pii pair<int, int>
#define int long long
#define all(a) a.begin(), a.end()
using namespace std;

const int mn = 5e5 + 5, bm = (1 << 11) + 1, mod = 1e9 + 7, offset = 5e4, B = 320 + 5;
const int inf = 1e18, base = 311;

int n, bit[mn], a[mn], f[mn];

void add(int u, int val){
    while(u <= n){
        bit[u] += val;
        u += (u & -u);
    }
}

int get(int u){
    int res = 0;
    while(u){
        res += bit[u];
        u -= (u & -u);
    }
    return res;
}

int walk(int val){
    int l = 1, r = n, ans = -1;
    while(l <= r){
        int mid = (l + r) >> 1;
        if(get(mid) >= val){
            r = mid - 1;
            ans = mid;
        }
        else l = mid + 1;
    }
    return ans;
}

void solve(){
    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> a[i];
        int cnt = 1;
        while(a[i] % 2 == 0){
            cnt *= 2;
            a[i] /= 2;
        }
        add(i, cnt);
    }
    int q; cin >> q;
    while(q--){
        int pos; cin >> pos;
        cout << a[walk(pos)] << '\n';
    }
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int t = 1;
    // cin >> t;
    while(t --){
        solve();
    }
}

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