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  1. // 指定された数値の数だけ+-*/をこの順に表示
  2.  
  3. import java.util.Scanner;
  4.  
  5. class Ideone {
  6. 	public static void main (String[] args) {
  7. 		Scanner scanner = new Scanner(System.in);
  8. 		System.out.println("記号を表示させたい個数を入力して下さい。");
  9. 		int n = scanner.nextInt();
  10.  
  11. 		if(n > 0) {
  12. 			int i = 1;
  13. 			while(i <= n) {
  14. 				if(i % 4 == 1) System.out.print('+');
  15. 				else if(i % 4 == 2) System.out.print('-');
  16. 				else if(i % 4 == 3) System.out.print('*');
  17. 				else /* (i % 4 == 0) */ System.out.print('/');
  18. 				i++;
  19. 			}
  20. 			System.out.println();
  21. 		}
  22. 	}
  23. }
Success #stdin #stdout 0.08s 29172KB
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記号を表示させたい個数を入力して下さい。
+-*/+-*/+-*/+-
https://ideone.com/PGnFc5
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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