題目連結: https://leetcode.com/problems/climbing-stairs/
題目連結：https://leetcode.com/problems/degree-of-an-array/description/
題目連結：https://leetcode.com/problems/reshape-the-matrix/description/
題目連結：https://leetcode.com/problems/count-binary-substrings/description/
題目會給出一個只有0和1的字串，要找出能夠組成幾個數量一致的子組合，譬如01, 0011, 10, 1100等
題目連結：https://leetcode.com/problems/reverse-string-ii/description/
題目連結: https://leetcode.com/problems/distribute-candies/description/
題目連結: https://leetcode.com/problems/happy-number/
題意說明:
將數字中的個位數平方+十位數平方+...後會獲得新數字，不斷重複
如果最後獲得1，return True
題目連結: https://leetcode.com/problems/detect-capital/description/
