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Mishakis

PrimeTriangle

Dec 2nd, 2018
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Java 0.73 KB | None | 0 0
  1. import java.util.Scanner;
  2.  
  3. public class PrimeTriangle {
  4.     public static void main(String[] args) {
  5.         Scanner scanner = new Scanner(System.in);
  6.  
  7.         int n = scanner.nextInt();
  8.         String row = "";
  9.  
  10.         for (int number = 1; number <= n; number++) {
  11.             int maxDivider = (int) Math.sqrt(number);
  12.             boolean isPrime = true;
  13.  
  14.             for (int divider = 2; divider <= maxDivider; divider++) {
  15.                 if (number % divider == 0) {
  16.                     isPrime = false;
  17.                 }
  18.             }
  19.             if (isPrime) {
  20.                 row += "1";
  21.                 System.out.println(row);
  22.             } else {
  23.                 row += "0";
  24.             }
  25.         }
  26.     }
  27. }
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