답안 #501095

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
501095	2022-01-02T11:08:51 Z	LucaIlie	Password (RMI18_password)	C++17	컴파일 오류	0 ms	0 KB

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;
}

Compilation message

password.cpp:9:1: error: expected initializer before 'char'
    9 | char guess_kth( int k, int left, int right ) {
      | ^~~~
password.cpp: In function 'std::string guess(int, int)':
password.cpp:31:16: error: 'guess_kth' was not declared in this scope
   31 |         ans += guess_kth( i, 0, s - 1 ) + 'a';
      |                ^~~~~~~~~