Submission #634907

#	Time	Username	Problem	Language	Result	Execution time	Memory
634907		danikoynov	Password (RMI18_password)	C++14	0 / 100	3 ms	368 KiB

password

#include<bits/stdc++.h>
using namespace std;

const int maxs = 26;
int N, S, used[maxs];

int query(string s);
string guess(int n, int s)
{
    N = n;
    S = s;
    string ans = "";

    for (int i = 0; i < s; i ++)
    {
        string cur = "";
        for (int j = 0; j < n; j ++)
            cur = cur + (char)(i + 'a');

        if (query(cur) == 1)
            ans = ans + (char)(i + 'a'), used[i] = 1;
    }


    int len = query(ans);
    for (int j = 0; j < s; j ++)
    {
        if (!used[j])
            continue;
        int id = 0;
        string wt = "";
        for (int i = 0; i < n; i ++)
        {
            if (ans[i] != (char)(j + 'a'))
                wt = wt + ans[i];
        }


        string best = "";
        for (int i = 0; i < n; i ++)
        {
            string cur = wt, new_cur = "";
            for (int k = 0; k < n; k ++)
            {
                if (i == k)
                    new_cur = new_cur + (char)(j + 'a');
                if (k != n - 1)
                    new_cur = new_cur + cur[k];
            }

            int sm = query(new_cur);

            if (sm > len)
            {
                len = sm;
                best = new_cur;
            }
        }

        if (!best.empty())
            ans = best;

    }
    return ans;

}

Compilation message (stderr)

password.cpp: In function 'std::string guess(int, int)':
password.cpp:30:13: warning: unused variable 'id' [-Wunused-variable]
   30 |         int id = 0;
      |             ^~

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