Submission #1311510

#	Time	Username	Problem	Language	Result	Execution time	Memory
1311510		madamadam3	Intercastellar (JOI22_ho_t1)	C++20	100 / 100	51 ms	4560 KiB

Main

#include <bits/stdc++.h>

using namespace std;
#define int long long int

signed main() {
    cin.tie(0)->sync_with_stdio(0);

    int n; cin >> n;
    vector<int> a(n); for (int i = 0; i < n; i++) cin >> a[i];
    vector<int> pow2(61, 1); for (int i = 1; i < 61; i++) pow2[i] = pow2[i-1] * 2;

    auto rem = [](int x) {
        while (x%2 == 0) x/=2;
        return x;
    };

    auto steps = [](int x) {
        int r = 0; while (x%2 == 0) {
            r++; x /= 2;
        }
        return r;
    };

    int q; cin >> q;
    int px = 0, pos = 0, to = pow2[steps(a[0])];

    while (q--) {
        int x; cin >> x; x--;
        int dx = x-px; px = x;

        while (dx > 0) {
            int s = min(to, dx);
            to -= s; dx -= s;

            if (to <= 0) {
                pos++; to = pow2[steps(a[pos])];
            }
        }

        cout << rem(a[pos]) << "\n";
    }
    return 0;
}

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