Fast Alarm Codeforce java

FastAlarm.java

import java.util.Scanner;


public class FalseAlarm {

       static Scanner scanner = new Scanner(System.in);

       static void solve() {

          int n = scanner.nextInt(); //citim size array

          int x = scanner.nextInt(); //button , cate secunde are efect

          int l = 100000, r = -1;

          //1 0 1 1 0 0
          //0 1 2 3 4 5 (i)
          for(int i = 0; i < n; ++i) {

              int door = scanner.nextInt(); //daca door = 0 atunci usa este open; daca door = 1; //usa este closed;

              if( door == 1 ) {

                         l = Math.min(l, i);//min(100000, 1)=1; min(1,2) = 1

                         r = Math.max(r, i);//max(-1,1) = 1 ;max(1,2) = 2
              } 
          }

          System.out.println(x >= r - l + 1 ? "YES": "NO"); //2>=2 YES
       }
	    
       public static void main(String[] args) {

              int T = scanner.nextInt();

              while(T-- > 0) solve();
       }
}