View Code of Problem 77

#include<stdio.h>
#include<string.h>
int main()
{
  void insert(char a[]);
  char a[4];
  gets(a);
  insert(a);
  return 0;
}
void insert(char a[])
{
  int i;
  for(i=strlen(a);i>=1;i--)
  {
    a[2*i]=a[i];
    a[2*i-1]=' ';
  }
  printf("%s\n",a);
}

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