REVERSE STRING

• Problem Description

  
  "If an Integer N, write a program to reverse the given number.
  Input
  
  The first line contains an integer T, total number of testcases. Then follow T lines, each line contains an integer N.
  Output
  
  Display the reverse of the given number N.
  Constraints
  
  1 <= T<= 1000
  1 <= N <= 100000
  "
  

• CODING ARENA::

• #include <stdio.h>

  #include<string.h>

  void reverse(char str1[], int index, int size)

  {

      char temp;

      temp = str1[index];

      str1[index] = str1[size - index];

      str1[size - index] = temp;

      if (index == size / 2)

      {

          return;

      }

      reverse(str1, index + 1, size);

  }

  int main()

  {int n;

   scanf("%d",&n);

   while(n--)

   {

     char a[100];

     scanf("%s",a);

     reverse(a,0,strlen(a)-1);

     printf("%s\n",a);

   }

   return 0;}

• Test Case 1

  
  Input (stdin)

  3 
  
  12345
  
  31203
  
  2123
  
  

  Expected Output

  54321
  
  30213
  
  3212

• Test Case 2

  
  Input (stdin)

  2
  
  78657
  
  100034
  
  

  Expected Output

  75687
  
  430001