題目

a006: 一元二次方程式

https://zerojudge.tw/ShowProblem?problemid=a006

解答

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a,b,c = map(int,input().split())

if b**2-4*a*c>0:
    x1 = int((-b+(b**2-4*a*c)**0.5)//(2*a))
    x2 = int((-b-(b**2-4*a*c)**0.5)//(2*a))
    print('Two different roots x1='+str(x1)+' , '+'x2='+str(x2))
elif b**2-4*a*c==0:
    x1 = int((-1*b+(b**2-4*a*c)**0.5)//(2*a))    
    print('Two same roots x='+str(x1))
elif b**2-4*a*c<0:
    print('No real root')