1786B - Cake Assembly Line - CodeForces Solution

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

signed main() {
 int test;
 cin >> test;
 while (test--) {
  int n, w, h;
  cin >> n >> w >> h;
  int a[n + 5];
  int b[n + 5];
  for (int i = 1; i <= n; i++) {
   cin >> a[i];
  }
  for (int i = 1; i <= n; i++) {
   cin >> b[i];
  }
  int l[n + 5];
  int r[n + 5];
  for (int i = 1; i <= n; i++) {
   l[i] = b[i] + h - (a[i] + w);
   r[i] = b[i] - h - (a[i] - w);
  }
  sort(l + 1, l + n + 1);
  sort(r + 1, r + n + 1);
  if (l[n] <= r[1])
   cout << "YES" << endl;
  else
   cout << "NO" << endl;
 }
}