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【HDU3709】平衡数Balanced Number
Description A balanced number is a non-negative integer that can be balanced if a pivot is placed at some digit. More specifically, imagine each digit ...
分类:其他好文   时间:2020-07-16 00:05:52    阅读次数:79
180. 连续出现的数字
地址:https://leetcode-cn.com/problems/consecutive-numbers/ ## 编写一个 SQL 查询,查找所有至少连续出现三次的数字。 示例: 编写一个 SQL 查询,查找所有至少连续出现三次的数字。 + + + | Id | Num | + + + | 1 ...
分类:其他好文   时间:2020-07-16 00:03:52    阅读次数:59
1344. Angle Between Hands of a Clock (M)
Angle Between Hands of a Clock (M) 题目 Given two numbers, hour and minutes. Return the smaller angle (in degrees) formed between the hour and the minut ...
分类:其他好文   时间:2020-07-15 10:47:17    阅读次数:102
leetcode260 Single Number III
260 Single Number III Given an array of numbers nums, in which exactly two elements appear only once and all the other elements appear exactly twice. ...
分类:其他好文   时间:2020-07-14 21:54:31    阅读次数:104
【题解】Street Numbers [UVA138]
【题解】Street Numbers [UVA138] 传送门:\(\text{Street Numbers [UVA138]}\) 【题目描述】 求满足 \(n<m\) 且 \(\sum_{i=1}^{n-1}i=\sum_{i=n+1}^{m}i\) 的正整数对 \(n,m\) 。从小到大输出前 ...
分类:其他好文   时间:2020-07-12 19:05:09    阅读次数:54
leetcode [315. 计算右侧小于当前元素的个数]
(https://leetcode-cn.com/problems/count-of-smaller-numbers-after-self/) 可以这样想:我们把nums数组中的数都放在数轴上,那么我们根据某个数,看他数轴前边有多少个数就可以得到对应的count,这样会存在三个问题: 问题一:怎么保 ...
分类:其他好文   时间:2020-07-11 19:10:27    阅读次数:53
[LeetCode] 241. Different Ways to Add Parentheses
Given a string of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operators. Th ...
分类:其他好文   时间:2020-07-11 12:41:31    阅读次数:54
[系列] Go - json.Unmarshal 遇到的小坑
1.问题现象描述 使用 json.Unmarshal(),反序列化时,出现了科学计数法,参考代码如下: jsonStr := `{"number":1234567}` result := make(map[string]interface{}) err := json.Unmarshal([]byt ...
分类:Web程序   时间:2020-07-11 12:36:31    阅读次数:72
[LeetCode] 1365. How Many Numbers Are Smaller Than the Current Number
Given the array nums, for each nums[i] find out how many numbers in the array are smaller than it. That is, for each nums[i] you have to count the num ...
分类:其他好文   时间:2020-07-11 09:17:31    阅读次数:48
[LeetCode] 216. Combination Sum III
Find all possible combinations of k numbers that add up to a number n, given that only numbers from 1 to 9 can be used and each combination should be ...
分类:其他好文   时间:2020-07-10 09:59:09    阅读次数:61
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