求一元二次方程式 ax2+bx+c=0 的根
輸入三個整數 a, b, c
Two different roots x1=?? , x2=??
Two same roots x=??
No real root
PS: 答案均為整數，若有兩個根則大者在前
1 3 -10 1 0 0 1 1 1
Two different roots x1=2 , x2=-5 Two same roots x=0 No real root