제출 #918581

#제출 시각아이디문제언어결과실행 시간메모리
918581Elvin_FritlPassword (RMI18_password)C++17
0 / 100
49 ms344 KiB
#include <bits/stdc++.h>
using namespace std;

#define ll long long
 
const int N=2e3+5, mod=1e9+7;

int query(string str);

mt19937 rng(time(NULL));
 
string guess(int n, int s) {
    vector<char> v(s);
    for(int i=0;i<s;i++) {
        v[i] = char('a' + i);
    }
    shuffle(v.begin() , v.end() , rng);
    string res;
    for(int i=0;i<n;i++) {
        for(int j=0;j<s;j++) {
            int tmp = query(res + v[j]);
            if(tmp == i + 1) {
                res += v[j];
                break;
            }
        }
    }
    return res;
}
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