Submission #1357258

#	Time	Username	Problem	Language	Result	Execution time	Memory
1357258		mahriban	Dark Ride (EGOI25_darkride)	C++20	24 / 100	0 ms	476 KiB

Main

#include<bits/stdc++.h>
using namespace std;
int main(){
    int N;
    cin >> N;
    string s;
    for (int i = 0; i < N; i ++)s += '0';
    int i = 0, x = -1, y = -1, k;
    while (i < N){
        s[i] = '1';
        cout << "? " << s << endl;
        cin >> k;
        if (k == 1){if (x < 0)x = i; else y = i;}
        s[i] = '0';
        i ++;
    }
    cout << "! " << x << ' ' << y << endl;
}

• Subtask 1: 0 / 0
• Subtask 2: 9 / 9
• Subtask 3: 15 / 15
• Subtask 4: 0 / 17
• Subtask 5: 0 / 16
• Subtask 6: 0 / 14
• Subtask 7: 0 / 29