Reverse the string

• Problem Description

  
  A and B are friends. They decide to play a game which is one person is writing a group of words or numbers to form a sentence and other person has to reverse each word of that sentence.
  

• Test Case 1

  
  Input (stdin)

  c programming world
  
  

  Expected Output

  c gnimmargorp dlrow

• Test Case 2

  
  Input (stdin)

  abcd
  
  

  Expected Output

  dcba

• Program

• #include <stdio.h>
  #include<string.h>
  int main()
  {
    int i,j=0,k=0,len,x;
    char str[100],str1[10][20],temp;
    scanf("%[^\n]s",str);
    
    for(i=0;str[i]!='\0';i++)
    {
      if(str[i] == ' ')
      {
        str1[k][j]='\0';
        k++;
        j=0;
      }
      else
      {
        str1[k][j]=str[i];
        j++;
      }
    }
    str1[k][j]='\0';
    
    for(i=0;i<=k;i++)
    {
      len=strlen(str1[i]);
      for(j=0,x= len - 1; j<x; j++, x--)
      {
        temp=str1[i][j];
        str1[i][j]=str1[i][x];
        str1[i][x]=temp;
      }
    }
    for(i=0;i<=k;i++)
    {
      printf("%s ",str1[i]);
    }
    return 0;
  }