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  1. import java.util.Scanner;
  2.  
  3. public class Main {
  4.     public static void main(String args[]){
  5.         Scanner sc = new Scanner(System.in);
  6.         int first = sc.nextInt();
  7.         int last = sc.nextInt();
  8.         int size = last - first + 2;
  9.         int sou[] = new int[size];
  10.         int sum = 0;
  11.         int x =0;
  12.         for(int i = first; i<=last; i++){
  13.             int num =0 ;
  14.             for(int j = 2; j<i;j++){
  15.                 if(i%j==0){
  16.                     num++;
  17.                     break;
  18.                 }
  19.             }
  20.             if(num==0) {
  21.                 sou[x] = i;
  22.                 x++;
  23.             }
  24.         }
  25.         for(int i = 0; i<=x;i++){
  26.             sum = sum + sou[i];
  27.         }
  28.         if(sou[0]==0){
  29.             System.out.println("-1");
  30.         }
  31.         else {
  32.             if(sou[0]==1){
  33.                 System.out.println(sum-1);
  34.                 System.out.println(sou[1]);
  35.             }
  36.             else {
  37.                 System.out.println(sum);
  38.                 System.out.println(sou[0]);
  39.             }
  40.         }
  41.     }
  42. }
Success #stdin #stdout 0.09s 35488KB
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https://ideone.com/ygJZUv
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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