Submission #1068674

#	Time	Username	Problem	Language	Result	Execution time	Memory
1068674		Alebn	COVID tests (CEOI24_covid)	C++14	0 / 100	1 ms	344 KiB

Main

#include <bits/stdc++.h>
#define int long long

using namespace std;

int n, t, mid;
double p;
string res, ask;
char temp;
void bs(int l, int r) {
    if(r - l < 2) res[l] = '1';
    else {
        mid = (l + r) / 2;
        for(int i = 0; i < n; i++) {
            if(l <= i && i < r) ask[i] = '1';
            else ask[i] = '0';
        }
        cout << "Q " << ask << endl;
        cin >> temp;
        if(temp == 'P') bs(l, mid);
        else bs(mid, r);
    }
}

void solve() {
    res = string(n, '0');
    ask = string(n, '1');
    cout << "Q " << ask << endl;
    cin >> temp;
    if(temp == 'P') bs(0, n);
    cout << "A " << res << endl;
    cin >> temp;
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n >> p >> t;
    while(t--) solve();
}

• Subtask 0: 0 / 0
• Subtask 1: 0 / 10
• Subtask 2: 0 / 90