Please enter your email address or userHandle.
using System; class Program { static void Main(string[] args) { int testCases = int.Parse(Console.ReadLine().Trim()); while (testCases-- > 0) { int arrSize = int.Parse(Console.ReadLine().Trim()); string[] arr = Console.ReadLine().Trim().Split(' '); for (int i = 0; i < arrSize - 1; i++) { if (int.Parse(arr[i]) > int.Parse(arr[i + 1])) { Console.Write(arr[i + 1] + " "); } else Console.Write("-1" + " "); } Console.Write("-1"); Console.WriteLine(); } } }
https://ide.geeksforgeeks.org/J4DblHKLOK
2 1 -1 3 -1 -1 2 -1 1 -1 -1