~/algor $ cat masalalar/uchburchak-yuzi

Uchburchak yuzi

I Muallif: Iqbolshoh Ilhomjonov

Oson 1000 ms 64 MB 5%

Mavzular: Begin

Uchburchakning tomonlari a, b va c berilgan (bunday uchburchak albatta mavjud). Uning yuzini Geron formulasi bilan toping:

p = (a + b + c) / 2, S = √(p · (p − a) · (p − b) · (p − c)).

Kiruvchi ma'lumotlar

Bitta qatorda uchta natural son: a, b va c.

Chiquvchi ma'lumotlar

Bitta son — S, verguldan keyin aynan ikkita raqam bilan.

Izoh

1 ≤ a, b, c ≤ 1000

Misollar

Kirish #1

3 4 5

Chiqish #1

6.00

Kirish #2

2 2 2

Chiqish #2

1.73