REVERSE STRING-WITHOUT LIBRARY

• Problem Description

  
  Write a C program to find reverse of a string without library function.

• #include <stdio.h>

  #include <string.h>

  int main()

  {

    char str[100],revStr[100];

    int i,j;

    scanf("%[^\n]s",str);

    j=0;

    for(i=(strlen(str)-1); i>=0; i--)

      revStr[j++]=str[i];

    revStr[j]='\0';

    printf("\n%s",str);

    printf("\n%s",revStr);

    return 0;

  }

      

• Test Case 1

  
  Input (stdin)

  SRMUniversity
  
  

  Expected Output

  SRMUniversity
  
  ytisrevinUMRS

• Test Case 2

  
  Input (stdin)

  ULCSRM
  
  

  Expected Output

  ULCSRM
  
  MRSCLU