Data Structure: Arrays Exercise - Reverse A String
Reverse A String: 把任意input的string倒敘排列
JavaScript:
解法一:先把input string轉換成array,組合後再轉回string,最後return
Time Complexity: O(n)
for loop會iterate整個string → O(n)
join會iterate整個array → O(n)
Space Complexity: O(n)
push把資料一個一個放入result array → O(1)
join會建立新的strin...
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