fork download
copy 
  1. #include <stdio.h>
  2. #include <string.h>
  3. void func(char *b)
  4. {
  5. 	char *a= b + 1;
  6. 	printf("input = %s\n", b);
  7. 	while (*a)
  8. 	{
  9. 		if ((strlen(a)%(int)(a - b)) == 0 && strncmp(a, b, strlen(a)) == 0)
  10. 		{
  11. 			printf("repeat = %.*s\n\n", (int)(a - b), b);
  12. 			return;
  13. 		}
  14. 		++a;
  15. 	}
  16. 	printf("repeat unit not found!\n");
  17. 	return;
  18. }
  19. int main()
  20. {
  21. 	func("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
  22. 	func("123412312341231234123123412312341231234123");
  23. 	func("oxoxoxoxoxoxoxoxxoxoxoxoxoxoxoxoxx");
  24. 	func("axaxa");
  25. 	return 0;
  26. }
  27.  
Success #stdin #stdout 0s 2292KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
input = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
repeat = a

input = 123412312341231234123123412312341231234123
repeat = 1234123

input = oxoxoxoxoxoxoxoxxoxoxoxoxoxoxoxoxx
repeat = oxoxoxoxoxoxoxoxx

input = axaxa
repeat unit not found!
https://ideone.com/jWkZrz
language:
C99 (gcc 8.3)
created:
10 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!