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  1. #include <stdio.h>
  2.  
  3. int main() {
  4. 	size_t i = 0;
  5. 	char* last = NULL;
  6. 	long int count1 = 0;
  7. 	long int count = 0;
  8. 	char a[] = {'d', 'p', 'p', 'c', 'c', 'd', 'd', 'd'};
  9.  
  10. 	while (++i < sizeof(a) / sizeof(a[0])) {
  11. 		if (a[i - 1] == a[i]) {
  12. 			if (last == NULL) {
  13. 				last = a + i - 1;
  14. 			}
  15. 		} else if (last != NULL) {
  16. 			if (a + i - last > 1) {
  17. 				count1 += (a + i - last) / 2;
  18. 				last = a + i;
  19. 			} else {
  20. 				if (count1 > count) {
  21. 					count = count1;
  22. 				}
  23. 				count1 = 0;
  24. 				last = NULL;
  25. 			}
  26. 		}
  27. 	}
  28.  
  29. 	if (last != NULL) {
  30. 		if (a + (sizeof(a) / sizeof(a[0])) - last > 1) {
  31. 			count1 += (a + (sizeof(a) / sizeof(a[0])) - last) / 2;
  32. 		}
  33.  
  34. 		if (count1 > count) {
  35. 			count = count1;
  36. 		}
  37. 	}
  38.  
  39. 	printf("%ld", count);
  40.  
  41. 	return 0;
  42. }
  43.  
Success #stdin #stdout 0s 2112KB
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https://ideone.com/yPuIuc
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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