z2eWUs - Online C++0x Compiler & Debugging Tool

#include <bits/stdc++.h>

using namespace std;
#define int long long
#define yes cout << "YES\n";
#define no cout << "NO\n";


void FastIO(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
}

void solve(){
    int n,m,x,y; cin >> n >> m >> x >> y;

    int ans = 0;

    while(n--){
        int a; cin >> a;
        if(a < y)
            ans++;
    }

    while(m--){
        int a; cin >> a;
        if(a < x)
            ans++;
    }

    cout << ans << "\n";
}

signed main(){
    FastIO();

    int t;
    cin >> t;

    while(t--){
        solve();
    }
    return 0;
}