// This program takes in a string, and outputs that 
// string in reverse 

// Week 4 Lecture 8

#include <stdio.h>
#include <string.h>

// Define the size of the array = this is clearly going to cause some
// waste - one of the downfalls of arrays
#define MAX_LENGTH 124

int main(void) {

    // Declare our array to hold the string
    char word[MAX_LENGTH];
    char reverse_word[MAX_LENGTH];

    printf("Type in a word: ");
    // Read in the string using fgets() function
    fgets(word, MAX_LENGTH, stdin);
    int i = 0;
    while (word[i] != '\n') {
        i++;
    }
    word[i] = '\0';
    //getchar();

    // Do some magic here to calculate:
    // How do we start at the back of the string to print 
    // out the characters of the string? Should we have another
    // array to hold the output?
    int j = strlen(word) - 1;
    
    for (i = 0; word[i] != '\0'; i++) {
        reverse_word[i] = word[j];
        j--;
    }
    reverse_word[i] = '\0';


    printf("The %s in reverse is %s\n", word, reverse_word);

    return 0;
}