Python 基礎知識簡單

正數或負數

“正數或負數”問題的詳細指南和 Python 實作。

問題陳述

簡單

寫一個函數 check_sign(n),它接受整數 n 並在 n 大於零時傳回字串 "Positive",在 n 小於零時傳回 "Negative",或在 n n __PYCOf __。

約束條件
  • -10^9 <= n <= 10^9

範例

Example 1
Input
n = 5
Output
"Positive"
Explanation

5 is greater than 0, so we return "Positive".

Example 2
Input
n = -3
Output
"Negative"
Explanation

-3 is less than 0, so we return "Negative".

Example 3
Input
n = 0
Output
"Zero"
Explanation

0 is neither positive nor negative, so we return "Zero".

Need a Hint?
考慮使用特定於基礎的資料結構,例如集合或堆。
Edge Cases to Watch
  • 空輸入結構
  • 單元素輸入
  • 大數值範圍

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