of smaller elements to the right of nums[i]. Exampl ...
You are given an integer arraynumsand you have to return a newcountsarray. Thecountsarray has the property wherecounts i is the number of smaller elements to the right ofnums i . Example: 這道題給定了一個數組, ...
2015-12-26 17:42 14 23965 推薦指數:
of smaller elements to the right of nums[i]. Exampl ...
說來慚愧,已經四個月沒有切 leetcode 上的題目了。 雖然工作中很少(幾乎)沒有用到什么高級算法,數據結構,但是我一直堅信 "任何語言都會過時,只有數據結構和算法才能永恆"。leetcode 上的題目,截止目前切了 137 道(all solutions),只寫過 6 篇題解,所以我 ...
題目: 分析:很顯然不能用時間復雜度為O(N2)的暴力窮舉法,下面先給出一個運行時間為102ms的AC答案: 上面的答案雖然AC了,但若原始海量數據本身是降序排列時,再 ...
Given a non-negative integer n, count all numbers with unique digits, x, where 0 ≤ x < 10n. Example: Given n = 2, return 91. (The answer ...
鏈接 給定一個整數數組 nums,按要求返回一個新數組 counts。數組 counts 有該性質: counts[i] 的值是 nums[i] 右側小於 nums[i] 的元素的數量。 ...
A self-dividing number is a number that is divisible by every digit it contains. For example, 128 is a self-dividing number because 128 ...
contain a single digit. Add the two numbers and retur ...
Given an array of n integers nums and a target, find the number of index triplets i, j, k with 0 ...