Write a c program to do the following , 1)to calculate the square value of any given number by the user .print the given number and square value of number in front of the given number with the system time.
2) improve the program to with while or for loop to do the above task for 20 times. print the count before the given number and the square value of it .
3) improve the above program to write above information to a text file.
4) improve the above program to read previously saved text file from the hard disk and display the count , given number , square value and the system time and display again with the current system time .​