Answer to Question #259192 in Python for Raju

Question #259192

Add two Polynomials



Given two Polynomials A and B,write a program that adds the given two Polynomials A and B.



Sample input 1


4


0 5


1 0


2 10


3 6



Sample Output 1





Sample Input 2


4


0 5


1 0


2 10


3 6


3


0 1


1 2


2 4



Sample output 2


6x^3 + 14x^2 + 2x + 6

1
Expert's answer
2021-11-03T00:47:21-0400
#!/usr/bin/env python


n = int(input())


# input tuples of Pi and Ci
PiCi = []
for i in range(n):
    l = input().split()
    Pi = int(l[0])
    Ci = int(l[1])
    PiCi.append((Pi, Ci))


PiCi.sort(reverse = True)
first = True
for Pi, Ci in PiCi:


   # print Coefficent
    if Ci == 0:
        continue
    if Ci < 0.0:
        if first:
            print(Ci, end = '')
        else :
            print(' -', abs(Ci), end = '')
    else :
        if first:
            print(Ci, end = '')
        else :
            print(' +', abs(Ci), end = '')
    first = False


    # print x ^ Pi
    if Pi == 0:
        continue
    if Pi == 1:
        continue
    if Pi < 0:
        print(f 'x^({Pi})', end = '')
    else :
        print(f 'x^{Pi}', end = '')


print()

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