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## Write a Program to print Pascal's triangle?

its about Write a Program to print Pascal's triangleAsked On2019-09-03 18:30:10 by:Annaliya

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Download question setAnswersMethod ( O(n^2) time and O(1) extra space )This method is based on method 1. We know that

th entry in a line numberilineis Binomial CoefficientC(line, i)and all lines start with value 1. The idea is to calculateC(line, i)usingC(line, i-1). It can be calculated in O(1) time using the following.# Python3 program for Pascal's Triangle

# A O(n^2) time and O(1) extra

# space method for Pascal's Triangle

# Pascal function

def printPascal(n):

for line in range(1, n + 1):

C = 1; # used to represent C(line, i)

for i in range(1, line + 1):

# The first value in a

# line is always 1

print(C, end = " ");

C = int(C * (line - i) / i);

print("");

# Driver code

n = 5;

printPascal(n);

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