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  1.     import java.util.Scanner;
  2.  
  3.     public class Main {
  4.  
  5.     public static void main(String[] args) {
  6.     Scanner sc = new Scanner(System.in);
  7.     int t = sc.nextInt();
  8.     int t2 = 2*t;
  9.  
  10.  
  11.     Scanner sc2 = new Scanner(System.in);
  12.     int[] array = new int[t2];
  13.     for(int i=0;i<t2;i = i+2) {
  14.     array[i] = sc2.nextInt();
  15.     array[(i+1)] = sc2.nextInt();
  16.  
  17.     }
  18.  
  19.  
  20.     for(int i=0;i<t2;i = i+2) {
  21.     for(int k = array[i];k <= array[(i+1)];k++) {
  22.     if(PrimeCheck(k) == true) {
  23.     System.out.println(k);
  24.     }
  25.  
  26.  
  27.     }
  28.     System.out.println("");
  29.     }
  30.  
  31.     }
  32.  
  33.     public static boolean PrimeCheck(int n) {
  34.     boolean output = true;
  35.  
  36.     if(n==1) {
  37.     output = false;
  38.     }
  39.  
  40.     else {
  41.     for(int i = 2;i<=n/2;i++) {
  42.     if(n%i == 0) {
  43.     output = false;
  44.     }
  45.     }
  46.     }
  47.  
  48.     return output;
  49.     }
  50.  
  51.     }
Runtime error #stdin #stdout #stderr 0.09s 380736KB
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stdin
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2
1 10
5 10
stdout
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Standard output is empty
stderr
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Exception in thread "main" java.util.NoSuchElementException
	at java.util.Scanner.throwFor(Scanner.java:907)
	at java.util.Scanner.next(Scanner.java:1530)
	at java.util.Scanner.nextInt(Scanner.java:2160)
	at java.util.Scanner.nextInt(Scanner.java:2119)
	at Main.main(Main.java:14)
https://ideone.com/utkwMM
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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