code-Probs/uniqueNumOfOcc.cpp at master · Techno-Simpola/code-Probs · GitHub

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

bool solve(vector<int> arr, int n)
{
    unordered_map<int, int> freq;
    vector<int> res;
    for (int i = 0; i < arr.size(); i++)
        freq[arr[i]]++;

    int ans = 0;
    for (auto it : freq)
        res.push_back(it.second);

    sort(res.begin(), res.end());
    for (int i = 0; i < res.size() - 1; i++)
    {
        if (res[i] == res[i + 1])
        {
            ans = 1;
            break;
        }
    }

    if (ans == 0)
        return true;
    else
        return false;
}

int main()
{

#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif

    vector<int> v = {-130, 21, -154, 159, -44, -126, 165, 68, -126, -126, -126, 128, -94, 165, -30, -44, -39, -94, 21, -130, 68, 68, 128, -130, -39, 181, 68, 68, 68, 139, 139, -39, 21, 21, -39, 68, 128, 131, -126, -154, -30, 165, 21, 159, 181, -39, -126, 131, -94, -44, 131, 128, 21, -44, 128, -94, 183, -94, 131, 139, -44, 128, 21, 181, -44, 131, 128, 131, 21, 68, 181, -44, -126, -130, 131, -190, 131, 181, 165, -94, 165, 165, -30, -154, 68, -39, -44, 165, -39, -126, 68, 68, -130, 68, -94, 181, -44, 131, 21, 183, -44, 21, -39, -130, -39, 131, 21, 165, 165, -126, 165, -44, -94, 68, 68, -94, -126, -126, -30, 181, 165, 68, -44, -39, -94, -126, -126, -30, 68, 181, -44, -94, -126, -44, -94, -30, 131, 165, -190, -130, -94, -94, 181, 128, 181, 181, 181, 139, -130, -94, -130, -130, 139, -130, -90, -154, 181, 165, -30, -154, 165, -190, 159, 165, 139, -126, -44, 131, -44, -190, -126, -130, -94, 128, -154, 68, -130, -130, 68, 21, -44, -30, -126, -126, 131, 159, -190, -126, 181, 139};
    int n = v.size();
    bool ans = solve(v, n);

    cout << ans << endl;
}