Python 基礎知識簡單

偶數或奇數

“偶數或奇數”問題的詳細指南和 Python 實作。

問題陳述

簡單

寫一個函數 even_or_odd(n) ,它接受整數 n ,如果 n 能被 2 整除,則傳回字串 "Even" ,否則傳回 "Odd"

約束條件
  • -10^9 <= n <= 10^9

範例

Example 1
Input
n = 4
Output
"Even"
Explanation

4 % 2 == 0, so 4 is even.

Example 2
Input
n = 7
Output
"Odd"
Explanation

7 % 2 == 1, so 7 is odd.

Example 3
Input
n = 0
Output
"Even"
Explanation

0 % 2 == 0, so 0 is even.

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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