oj.uz

Submission #665789

# Submission time Handle Problem Language Result Execution time Memory
665789 2022-11-27T13:11:46 Z Nursik Password (RMI18_password) C++14
40 / 100
 365 ms 308 KB 
#include <stdio.h>
 
#include <algorithm>
#include <bitset>
#include <cassert>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <deque>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <list>
#include <map>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
 
using namespace std;
 
#define ll long long
#define pb push_back
 

int ix[30], adx[10000];
int query(string str);
string guess(int n, int s){
    string ans =  "";
    int mx = 0, c = -1;
    for (int i = 0; i < s; ++i){
        string kek = "";
        char ch = 'a';
        ch += i;
        for (int j = 1; j <= n; ++j){
            kek += ch;
        }
        ix[i] = query(kek);
        if (ix[i] > mx){
            mx = ix[i];
            c = i;
        }
    }
    for (int j = 1; j <= mx; ++j){
        char ch = 'a';
        ch += c;
        ans += ch;
    }
    ix[mx] = 0;
    for (int i = 0; i < s; ++i){
        char ch = 'a';
        ch += i;
        int len = 0;
        len = (int)ans.length();
        string nans = "";
        for (int j = 0; j <= len && ix[i] > 0; ++j){
            string add = "";
            int is = 1;
            while (ix[i] > 0){
                add += ch;
                string q = "";
                for (int k = 0; k < j; ++k){
                    q += ans[k];
                }
                q += add;
                for (int k = j; k < len; ++k){
                    q += ans[k];
                }
                if ((int)q.length() > n)
                    break;
                int kek = query(q);
                if (kek == len + is){
                    is += 1;
                    adx[j] += 1;
                    ix[i] -= 1;
                }
                else{
                    break;
                }
            }
        }
        for (int j = 0; j <= len; ++j){
            while (adx[j] > 0){
                nans += ch;
                adx[j] -= 1;
            }
            if (j < len){
                nans += ans[j];
            }
        }
        ans = nans;
    }
    return ans;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Returned early from guess() after 72 queries.
2 Halted 0 ms 0 KB -

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Guessed the password with 53 queries.
2 Correct 4 ms 208 KB Guessed the password with 166 queries.
3 Correct 2 ms 208 KB Guessed the password with 181 queries.
4 Correct 6 ms 208 KB Guessed the password with 271 queries.

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 296 KB Guessed the password with 5047 queries.
2 Correct 176 ms 308 KB Guessed the password with 11023 queries.
3 Correct 246 ms 296 KB Guessed the password with 14569 queries.
4 Correct 365 ms 300 KB Guessed the password with 21494 queries.

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Returned early from guess() after 72 queries.
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Returned early from guess() after 72 queries.
2 Halted 0 ms 0 KB -