Submission #501127

#	Time	Username	Problem	Language	Result	Execution time	Memory
501127		LucaIlie	Password (RMI18_password)	C++17	0 / 100	3 ms	200 KiB

password

#include <iostream>

using namespace std;

string ans, q;

int query( string p );

char guess_kth( int k, int left, int right ) {
    char ch;
    int mid;

    if ( left == right )
        return left;

    mid = (left + right) / 2;
    q = "";
    for ( ch = left + 'a'; ch <= mid + 'a'; ch++ )
        q += ch;

    if ( query( ans + q ) > k )
        return mid;
    return mid + 1;
}

string guess( int n, int s ) {
    char ch;
    int i;

    ans = "";
    //for ( i = 0; i < n - s; i++ )
        //ans += guess_kth( i, 0, s - 1 ) + 'a';
    for ( i = 0; i < n; i++ ) {
        ch = 'a';
        while ( query( ans + ch ) <= i )
            ch++;
        ans += ch;
    }

    return ans;
}

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