Submission #1247693

#	Time	Username	Problem	Language	Result	Execution time	Memory
1247693		piedav	Brunhilda’s Birthday (BOI13_brunhilda)	C++20	0 / 100	1096 ms	1352 KiB

brunhilda

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;

#define int long long

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);

    int m, q;
    cin >> m >> q;
    vector<int> p(m);
    for(int i = 0; i < m; ++i) {
        cin >> p[i];
    }
    for(int i = 0; i < q; ++i) {
        int cur;
        cin >> cur;
        int oldcur = 0;
        int newcur = cur;
        int counter = 0;
        while(oldcur != newcur) {
            counter++;
            oldcur = newcur;
            auto it = lower_bound(p.begin(), p.end(), oldcur);
            if(it == p.begin()) {
                oldcur = 0;
                newcur = 0;
                cout << counter << '\n';
                break;
            }
            it--;
            newcur = (oldcur)/(*it) * (*it);
        }
        if(oldcur != 0 || newcur!= 0) {
            cout << "oo\n";
        }
    }
    return 0;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 60