#this program shows how to work with two-dimensional lists

import random

def make_list(sR, sC, rangeNum):
	#this function make two-dimensional list of random interegers between 0 and rangeNum
	my_list=[[0 for i in range(sC)] for j in range(sR)]
	for i in range(sR):
        	for j in range(sC):
                	my_list[i][j]=random.randint(0,rangeNum)
	return my_list

def print_matrix(my_list, sR, sC):
	#this program prints two-dimensional list in matrix form
	for i in range(sR):
        	print(my_list[i])



def count_differences(my_list, sR, sC):		
	count=0
	found=0

	for j in range(sC):
		found=0
		i=1
		while((i<sR) and (found==0)):
			if (my_list[0][j]!=my_list[i][j]):
				count=count+1
				found=1
			i=i+1
	return count



def harmonic(n):
	sum=0
	for i in range(1, n):
		sum=sum+1.0/i
	return sum

def main():
	sR=int(input("enter r "))
	sC=int(input("enter c "))

	rangeNum=int(input("enter range "))
	my_list=make_list(sR, sC, rangeNum)
	print_matrix(my_list, sR, sC)
	count=count_differences(my_list, sR, sC)
	print(count)
	sum=harmonic(sR)
	theta=count/sum
	print(theta)
main()