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Submission #786904

# Submission time Handle Problem Language Result Execution time Memory
786904 2023-07-18T14:26:39 Z borisAngelov CONSUL (info1cup19_consul) C++17
100 / 100
 31 ms 208 KB 
#include "grader.h"
#include <bits/stdc++.h>

using namespace std;

void solve(int n)
{
    if (n <= 50)
    {
        map<int, int> mp;

        for (int i = 1; i <= n; ++i)
        {
            ++mp[kth(i)];
        }

        for (auto [key, value] : mp)
        {
            if (value > n / 3)
            {
                say_answer(key);
                return;
            }
        }

        say_answer(-1);

        return;
    }

    srand(time(NULL));

    map<int, bool> visited;

    for (int i = 1; i <= 30; ++i)
    {
        int idx = 0;

        while (true)
        {
            idx = rand() % n + 1;

            if (visited.find(idx) == visited.end())
            {
                visited[idx] = true;
                break;
            }
        }

        int guess = kth(idx);

        if (cnt(guess) > n / 3)
        {
            say_answer(guess);
            return;
        }
    }

    say_answer(-1);
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 208 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 208 KB Output is correct
2 Correct 6 ms 208 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 208 KB Output is correct
2 Correct 22 ms 208 KB Output is correct
3 Correct 5 ms 208 KB Output is correct
4 Correct 7 ms 208 KB Output is correct
5 Correct 24 ms 208 KB Output is correct
6 Correct 17 ms 208 KB Output is correct
7 Correct 15 ms 208 KB Output is correct
8 Correct 27 ms 208 KB Output is correct
9 Correct 15 ms 208 KB Output is correct
10 Correct 20 ms 208 KB Output is correct
11 Correct 22 ms 208 KB Output is correct
12 Correct 14 ms 208 KB Output is correct
13 Correct 24 ms 208 KB Output is correct
14 Correct 9 ms 208 KB Output is correct