Implement a binary search typing program. Repeatedly ask the user what range of letters their letter is in until you get the right one. Stop when the user types the exclamation point. Submit the code in the file main.c$.$ You may supply additional files if you wish to$.$ You main program must be in main.c$.$ Assumption: You may assume that the user will only type: y$,$ Y$,$ n$,$ or N$.$ The user will only enter exactly $1$ character and will not enter any other characters. You do not have to provide any error checking on this input.