#3346. C++-两个整数a和b分别作为分子和分母，既分数a/b，求它的浮点数值

C++-两个整数a和b分别作为分子和分母，既分数a/b，求它的浮点数值

Background

Description

image

Format

Input

Output

Samples

5 7

0.714286

Limitation

1s, 1024KiB for each test case.

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