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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5. 	int c1;
  6. 	char string[50],temp;
  7. 	gets(string);
  8. 	for(c1=1;string[c1+1] != '\0' || string[c1+2] != '\0' || string[c1] != '\0';c1++) /*logic correction needed*/
  9. 		{
  10. 			if(!(string[c1] <= '9' || string[c1] >= '0'))
  11. 			{
  12. 				if(!(string[c1-1] <= '9' || string[c1-1] >= '0'))
  13. 				{
  14. 					if(string[c1] == '/')
  15. 					{
  16. 					temp = string[c1-1];
  17. 					string[c1-1] = string[c1+1];
  18. 					string[c1+1] = temp;
  19. 					c1++;
  20. 					}
  21. 					else
  22. 					{/*logic for manipulation*/
  23. 						if(string[c1] == '*' && (string[c1-1] == '+' || string[c1-1] == '-') )
  24. 						{
  25. 						temp = string[c1-1];
  26. 						string[c1-1] = string[c1+1];
  27. 						string[c1+1] = temp;
  28. 						c1++;
  29. 						}
  30. 						else
  31. 						{
  32. 							if(string[c1] == '+' && string[c1-1] == '-' )
  33. 							{
  34. 							temp = string[c1-1];
  35. 							string[c1-1] = string[c1+1];
  36. 							string[c1+1] = temp;
  37. 							c1++;
  38. 							}
  39. 							else
  40. 							{
  41. 							temp = string[c1];
  42. 							string[c1] = string[c1+1];
  43. 							string[c1+1] = temp;
  44. 							c1++;
  45. 							}
  46. 						}
  47. 					}
  48. 				}
  49. 				else 
  50. 				{
  51. 				temp = string[c1];
  52. 				string[c1] = string[c1+1];
  53. 				string[c1+1] = temp;
  54. 				c1 = c1 + 1;
  55. 				}
  56. 			}
  57. 		}
  58. 	puts(string);
  59. 	return 0;
  60. }
Success #stdin #stdout 0s 2296KB
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stdin
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2+5*3
stdout
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2+5*3
https://ideone.com/m054A2
language:
C (gcc 8.3)
created:
9 years ago
visibility:
secret

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