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  1. import java.util.Scanner;
  2.  
  3. class SamosaBhai {
  4.     public static void main(String[] args){
  5.         int n =0;
  6.         Scanner keyboard = new Scanner(System.in);
  7.         Scanner input = new Scanner(System.in);
  8.         System.out.println("Enter number of test Cases:");
  9.         n = keyboard.nextInt();
  10.         int[] ans = new int[n];
  11.         for(int i = 0; i< n ;i++){
  12.  
  13.             //no. of houses and power 'd' is stored here
  14.             String get = input.nextLine();
  15.             String[] numarray = get.split(" "); // splitting string by spaces
  16.             int num = Integer.parseInt(numarray[0]);  // number of houses
  17.             int d =  Integer.parseInt(numarray[1]);     // power to be raised
  18.  
  19.  
  20.             // positions of the houses is stored here
  21.             String entry = input.nextLine();
  22.             Scanner scanner = new Scanner(entry);
  23.             int[] pos = new int[num];
  24.             for (int j= 0;j<num;j++) {
  25.                 pos[j] = scanner.nextInt();
  26.             }
  27.             scanner.close();
  28.  
  29.             ans[i] = postalCharge(pos, d, n);
  30.  
  31.         }
  32.         keyboard.close();
  33.         input.close();
  34.         for(int p =0; p<n; p++)
  35.         System.out.println(ans[p]);
  36.  
  37.     }
  38.  
  39.     // function to calculate the postal charges between all the houses
  40.     public static int postalCharge(int[] location, int d, int n){
  41.         int total =0;
  42.         for (int i = 0; i<n; i++){
  43.             for(int j =0; j< n; j++){
  44.                 int n1 =  location[i];
  45.                 int n2  = location[j];
  46.                 total += Math.pow(Math.abs(n1-n2),d);
  47.             }
  48.         }
  49.         return total;
  50.     }
  51.  }
Runtime error #stdin #stdout #stderr 0.16s 321344KB
comments (?)
stdin
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5
2 2
7 2
2 3
7 2
3 2
1 3 2
10 2
1 2 3 4 5 6 7 8 9 10
10 10
1 2 3 4 5 6 7 8 9 10
stdout
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Enter number of test Cases:
stderr
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Exception in thread "main" java.util.NoSuchElementException: No line found
	at java.util.Scanner.nextLine(Scanner.java:1540)
	at SamosaBhai.main(Main.java:14)
https://ideone.com/SSPnaI
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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