ABC169 C - Multiplication 3

提出

code: python

import math

a, b = input().split()

print(math.floor(int(a) * (float(b) * 100) // 100))

解答

code: python

from math import floor

from fractions import Fraction

a, b = input().split()

a = int(a)

b = Fraction(b)

print(floor(a * b))

メモ

提出

code: python

a, b = input().split()

if int(b0) == 0:

print(0)

else:

print(str(int(a)*(int(float(b)*100))):-2)

解答

code: python

a, b = input().split()

a = int(a)

b = round(float(b) * 100)

print(a * b // 100)