fork download
copy 
  1. #include "stdio.h"
  2. #include "locale.h"
  3. #include "stdlib.h"
  4. #include "string.h"
  5.  
  6. void Invert2(char *str, int a, int b)
  7. {
  8.   for (int i = 0; i < ((b - a) / 2); i++)
  9.   {
  10.     char c = str[a + i];
  11.     str[a + i] = str[b - 1 - i];
  12.     str[b - 1 - i] = c;
  13.   }
  14. }
  15.  
  16. void inv(char *str)
  17. {
  18.   int dl = strlen(str);
  19.   int n = 0;
  20.   for (int j = 0; j < dl /* 1000 */; j++)
  21.   {
  22.       if (str[j] == ' ')
  23.       {
  24.           Invert2(str, n, j);
  25.           n = j+1;
  26.       }
  27.   }
  28.   Invert2(str, 0, dl);
  29. }
  30.  
  31. int main()
  32. {
  33.   setlocale(LC_ALL, ".1251"); 
  34.   char *str = malloc(1000);
  35.  
  36.   strcpy(str, "123 4567 478 3");
  37.   //fgets(str, 1000, stdin);
  38.  
  39.   printf("%s\n", str);
  40.   inv(str);
  41.   printf("%s\n", str);
  42.  
  43.   return 0;
  44. }
Success #stdin #stdout 0s 3996KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
123 4567 478 3
3 478 4567 123
https://ideone.com/ujUDl9
language:
C99 (gcc 8.3)
created:
11 years ago
visibility:
public

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!