2144d.cpp

#include <algorithm>
#pragma optimize("O3")

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

#define all(x) begin(x), end(x)
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<bool> vb;
typedef vector<vb> vvb;

int main() {
    cin.tie(0)->sync_with_stdio(0);

    int t;
    cin >> t;
    vi psum(200001, 0);

    while (t--) {
        ll n, y;
        cin >> n >> y;
        vll nums(n);
        for (int i = 0; i < n; i++) {
            cin >> nums[i];
        }

        int big = 0;
        psum.assign(200001, 0);
        for (int x : nums) {
            big = max(big, x);
            psum[x]++;
        }
    }
}