Submission #501096

#	Time	Username	Problem	Language	Result	Execution time	Memory
501096		LucaIlie	Password (RMI18_password)	C++17	0 / 100	13 ms	324 KiB

password

#include <iostream>
 
using namespace std;
 
string ans;
 
int query( string p );
 
char guess_kth( int k, int left, int right ) {
    int mid, i;
    string q;
 
    if ( left == right )
        return left;
 
    mid = (left + right) / 2;
    q = ans;
    for ( i = left; i <= mid; i++ )
        q += i + 'a';
 
    if ( query( q ) > k )
        return guess_kth( k, left, mid );
    return guess_kth( k, mid + 1, right );
}
 
string guess( int n, int s ) {
    int i;
 
    ans = "";
    for ( i = 0; i < n; i++ )
        ans += guess_kth( i, 0, s - 1 ) + 'a';
 
    return ans;
}

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