Submission #918625

#	Time	Username	Problem	Language	Result	Execution time	Memory
918625		Elvin_Fritl	Password (RMI18_password)	C++17	0 / 100	1 ms	344 KiB

password

#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 v , res;

int n , s;

bool func(int ind , int tr) {
    if(ind == n) {
        return true;
    }
    bool br = false;
    for(int j=0;j<s - 1;j++) {
        res[ind] = v[j];
        int tmp = query(res);
        res[ind] = 'a';
        if(tmp == tr + 1) {
            br = true;
            res[ind] = v[j];
            bool tmm = func(ind + 1 , tr + 1);
            if(tmm == true) {
                return true;
            }
            res[ind] = 'a';
        }
    }
    if(br == true) {
        return false;
    }
    return func(ind + 1 , tr);
}

string guess(int n, int s) {
    v = "";
    for(int i=1;i<s;i++) {
        v += (char('a' + i));
    }
    shuffle(v.begin() , v.end() , rng);
    res = "";
    for(int i=0;i<n;i++) {
        res = res + 'a';
    }
    int tr = query(res);
    
    bool as = func(0 , tr);
    
    return res;
}

Compilation message (stderr)

password.cpp: In function 'std::string guess(int, int)':
password.cpp:53:10: warning: unused variable 'as' [-Wunused-variable]
   53 |     bool as = func(0 , tr);
      |          ^~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 30
• Subtask 5: 0 / 20