Answer to Question #197754 in Python for Vinay

Question #197754

Given polynomial, write a program that prints polynomial in Cix^Pi + Ci-1x^Pi-1 + .... + C1x + C0 format.


1
Expert's answer
2021-05-25T15:26:07-0400
n = int(input())

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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