HOW TO SOLVE THIS questions ??? MAY YOU EXPLAIN IF YOU WANT TO RUN IT #include <

Question

HOW TO SOLVE THIS questions ???

MAY YOU EXPLAIN

IF YOU WANT TO RUN IT

#include <stdio.h>

#include <string.h>

int main(void){

     char strings[][80] = {"THIS", "EASY", "ICS103", "EXAM"};

     char str[80] = " ";

     int k, m = 0, index;

     for(k = 3; k >= 0; k--){

            index = strlen(strings[k]) - 1;

            str[m] = strings[k][index];

             printf("%s ", str);

             m++;

       }

    for(m = strlen(str) - 1; m >= 0; m--){

          printf("%c", str[m]);

     }

    return 0;

}

Explanation / Answer

// C code explanation

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

int main(void)
{
// declare and define array of string
char strings[][80] = {"THIS", "EASY", "ICS103", "EXAM"};

// declare and define empty string
char str[80] = " ";

// declare local variables
int k, m = 0, index;

// for loop to iterate over the index of array of strings
for(k = 3; k >= 0; k--)
{
// index stores the length of string at index k subtracted by 1
index = strlen(strings[k]) - 1;
// str is assigned the character at kth row and index column
str[m] = strings[k][index];

// print the string
printf("%s ", str);

// increment m
m++;
}
  
// iterate over string str and print it in reverse
for(m = strlen(str) - 1; m >= 0; m--){
printf("%c", str[m]);
}

return 0;
}

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