Assignment $2$: Write a C program that generates a "random walk" across a $\backslash (10\backslash$times $10\backslash )$ array. The array will contain characters $($all $\text{'}.\text{'}$ initially$).$ The program must randomly "walk" from element to element, always going up$,$ down, left, or right by one element. The elements visited by the program will be labeled with letters A through Z$,$ in the order visited. Here's an example of the desired output:

Hint: Use the srand $()$ and rand $()$ functions in the standard library to generate random numbers. You can use the time $()$ function to generate a seed based on time. After generating a number, look at its remainder modulo $4.$ There are four possible values for the remainder $\backslash (-0,1,2\backslash ),$ and $\backslash (3-\backslash )$ indicating the direction of the next move. Before performing a move, check that $($a$)$ it won't go outside the array, and $($b$)$ it doesn't take us to an element that already has a letter assigned. If either condition is violated, try moving in another direction. If all four directions are blocked, the program must terminate. Here's an example of premature termination:

In your C program include the following functions:

int generate$\_$random$\_$walk$($char walk$[10][10])$;

and

void print$\_$array$($char walk$[10][10])$;

generate$\_$random$\_$walk$()$ returns $0$ if the walk is completed $($ Z is reached$).$ It returns $1$ if the walk is blocked before reaching Z $.$