Two SigmaOA #4
Calculate y/x using Patch
估计简单评测数据准备中，可先阅读题面
考点（AI 标注）位运算模拟/实现
Given two integers y and x, compute y /
Constraints
x ≠ 0- Use two digits after the decimal point in the returned string.
Example 1
Input:
y = 10
x = 2
Output:
"5.00"
Explanation:
10 / 2 = 5, formatted to two decimal places as 5.00.