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Submission #501129

# Submission time Handle Problem Language Result Execution time Memory
501129 2022-01-02T12:13:37 Z LucaIlie Password (RMI18_password) C++17
0 / 100
 105 ms 308 KB 
#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 ( ch < 'a' + s - 1 && query( ans + ch ) <= i )
            ch++;
        ans += ch;
    }

    return ans;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 200 KB Returned early from guess() after 175 queries.
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Returned early from guess() after 51 queries.
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 105 ms 308 KB Returned early from guess() after 10574 queries.
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 200 KB Returned early from guess() after 175 queries.
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 200 KB Returned early from guess() after 175 queries.
2 Halted 0 ms 0 KB -