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Introduction to Procedural Programming Lab #3 solution

Problem 1
Write a program to generate random number between 10 and 20. Hint:
srand(time(NULL)); //This will set our seed for the program
rand() % 8 will generate random numbers between 0 and 8 (0 : 7)
rand() % 3 + 8 will generate random numbers between 8 and 10 (8 : 10)
rand() % ((max +1) – min) + min will generate random number between min and max (min : max)

Problem 2
Write a program that prompts a user for an integer value in the range 0 to 32,767 and then prints the digits of the
numbers on a line with three spaces between the digits. The first line is to start with the leftmost digit and print all
five digits; the second line is to start with the second digit from the left and print four digits, and so forth. For
example, if the user enters 1234, your program should print
0 1 2 3 4
1 2 3 4
2 3 4
3 4
4

Problem 3
Read a float number from a file and output it with 2 digits after the decimal point. The number should have at least 6
digits BEFORE the decimal point. Extract all digits until a decimal point is found then store the position. Then, print
all even numbers in the order they appear up until the decimal point. Then starting next to the decimal print all odd
numbers in the reverse of the order in which they appear.
Example: 12345678.99
Even digits printed in order – 2 4 6 8
Odd digits printed in reverse order – 7 5 3 1

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