屎忽痕做咗easy第一題,即係integer of list(unsorted) find the relative indexes of two sum of a target number個題,個腦知要點做(首先開個for loop, 順序pick一個number i,然後copy剩低嘅list再做sort,然後就用binary search 去搵target - i,最後就Return返各自嘅index),但因為syntax 唔熟係咁出error,做咗成個鐘先冇bug
仲有一點好黐線,就係有人個runtime好Q快, 又有d人Memory用得好少,都唔知點做到