import java.util.Scanner; public class OneDArray { public static boolean canWin(int leap, int[] game, int index) { // Base cases if (index < 0 || game[index] == 1) { return false; } if (index + 1 >= game.length || index + leap >= game.length) { return true; } // Mark current position as visited game[index] = 1; // Recursive cases return canWin(leap, game, index - 1) || // Move backward canWin(leap, game, index + 1) || // Move forward canWin(leap, game, index + leap); // Jump forward } public static boolean canWin(int leap, int[] game) { return canWin(leap, game, 0); // Start from index 0 } public static void main(String[] args) { Scanner scan = new Scanner(System.in); int q = scan.nextInt(); while (q-- > 0) { int n = scan.nextInt(); int leap = scan.nextInt(); int[] game = new int[n]; for (int i = 0; i < n; i++) { game[i] = scan.nextInt(); } System.out.println((canWin(leap, game)) ? "YES" : "NO"); } scan.close(); } }