RoboContest

A
10
B
10
C
10
D
10
E
10
F
10
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10
H
10
I
10
J
10
K
10
L
10
M
10
N
10
O
10
P
10
Q
10
R
10
S
10
T
10
U
10
V
10
W
10
X
10
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10
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10
AA
10
AB
10
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10
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10
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10
AF
10
AG
10
AH
10
AI
10
AJ
10
AK
10
AL
10
AM
10
AN
10
AO
10
AP
10
AQ
10
AR
10
AS
10

Masala #VJR6DR2BAV

Xotira 16 MB Vaqt 1000 ms
14
Muallif: Otabek Aralov Abduxamitovich

Begin 39 (Kvadrat tenglama)

\(ax^2+bx+c=0\) kvadrat tenglamaning a, b, c koeffitsientlari (a koeffitsienti 0 ga teng emas). Agar tenglamaning yechimi mavjud bo'lsa, uning ildizlarini toping. Topilgan ildizlarning avval eng kichigini, keyin esa eng kattasini chop eting.

Kiruvchi ma'lumotlar:

a, b, c sonlar yagona qatorda kiritiladi. \(-10^6<=a, b, c<=10^6\)

Chiquvchi ma'lumotlar:

Masala javobini chiqaring. Yechim bo'lmasa -1 javobni chiqaring.

Misollar
# input.txt output.txt
1 
1 5 6
 
-3.0000 -2.0000
2 
2 4 -6
 
-3.0000 1.0000

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