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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main() {
  5. 	int n;
  6. 	int i = 1;
  7.  
  8. 	while (scanf("%d", &n) == 1)
  9. 	{
  10. 		printf("Case %d:\n", i++);
  11. 		for (int i = 1; i <= (int)(sqrt((double)n)+0.00001); i++)
  12. 		{
  13. 			if (n % i == 0) printf("%d * %d\n", i, n / i);
  14. 		}
  15. 		printf("\n");
  16. 	}
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 3472KB
comments (?)
stdin 
4
12
stdout 
Case 1:
1 * 4
2 * 2

Case 2:
1 * 12
2 * 6
3 * 4
https://ideone.com/HDzrxz
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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