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Prime_triangle

Mar 30th, 2023
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  1. import java.util.ArrayList;
  2. import java.util.Scanner;
  3.  
  4. public class Prime_Triangle {
  5. public static void main(String[] args) {
  6. Scanner sc=new Scanner(System.in);
  7. int count=sc.nextInt();
  8. int counter=1;
  9. ArrayList<Integer> primeList=new ArrayList<Integer>();
  10.  
  11. for (int i=1;i<=count;i++)
  12. {
  13. for (int j=1;j<=i;j++)
  14. {
  15. if(i%j==0)
  16. {
  17. counter++;
  18. }
  19. if (counter>2)
  20. {
  21. counter=0;
  22. break;
  23. }
  24. }
  25. if (counter==2)
  26. {
  27. primeList.add(i);
  28. }
  29. counter=0;
  30. }
  31. for (int i=1;i<=primeList.size();i++)
  32. {
  33.  
  34. for (int j = 1; j <= primeList.get(i-1); j++)
  35. {
  36. if(j>3 && j%2==0 ||j>8 && j%3==0 || j>8 && j%5==0 || j>8 && j%7==0 )
  37. {
  38. System.out.print("0");
  39. }
  40. else {
  41. System.out.print("1");
  42. }
  43. }
  44. System.out.println();
  45.  
  46.  
  47. }
  48. }
  49. }
  50.  
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