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  1. #include <stdio.h>
  2. char* convert(char* s, int numRows){
  3.     if(numRows == 1)
  4.         return s;
  5. 	int length_s = 0, diff = 0, index = 0, i, j=0;
  6. 	int toggle = 0;
  7. 	while(s[length_s] != '\0')
  8. 		length_s ++;
  9. 	printf("length_s %d \n",length_s);
  10. 	char* converted_string = (char*)malloc(length_s * sizeof(char*));
  11. 	diff = (numRows * 2) - 2;
  12. 	for(i = 1; i <= numRows; i++){
  13. 		toggle = 0;
  14. 		index = i;
  15. 		while(index <= length_s){
  16. 			if(i == 1 || i == numRows){
  17. 				converted_string [j] = s[index - 1];
  18. 				index = index + diff;
  19. 			} else{
  20. 				converted_string[j] = s[index - 1];
  21. 				if(toggle == 0)
  22. 					index = index + ((numRows - i)*2);
  23. 				else
  24. 					index = index + (diff - ((numRows - i)*2));
  25. 				if(toggle == 0)
  26. 				    toggle = 1;
  27. 				else 
  28. 				    toggle = 0;
  29. 			}
  30. 			j++;
  31. 		}
  32. 	}
  33. 	//printf("converted_string %s\n",converted_string);
  34. 	int final_length_s = 0;
  35. 	while(s[final_length_s] != '\0')
  36. 		final_length_s ++;
  37. 	printf("length_s %d \n",final_length_s);
  38. 	return converted_string;
  39. }
  40. int main()
  41. {
  42. 	char* input_string;
  43. 	int numRows;
  44. 	input_string = "Apalindromeisaword,phrase,number,orothersequenceofunitsthatcanbereadthesamewayineitherdirection,withgeneralallowancesforadjustmentstopunctuationandworddividers.";
  45. 	numRows = 2;
  46. 	printf("%s \n",convert(input_string,numRows));
  47. 	return 0;
  48. }
Success #stdin #stdout 0s 2184KB
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stdin
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Standard input is empty
stdout
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length_s 160 
length_s 160 
Aaidoeswr,haenme,rtesqecouishtabrateaeaietedrcinwtgnrlloacsoajsmnsoucutoadodiiesplnrmiaodprs,ubroohreunefnttacneedhsmwynihrieto,iheeaalwnefrdutettpntainnwrdvdr.
https://ideone.com/kd4SXT
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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