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Educational Codeforces Round 87 (Rated for Div. 2) C2. Not So Simple Polygon Embedding(几何)
The statement of this problem is the same as the statement of problem C1. The only difference is that, in problem C1, nn is always even, and in C2, nn ...
分类:其他好文   时间:2020-05-17 20:38:11    阅读次数:558
episode和epoch区别
参考:https://stats.stackexchange.com/questions/250943/what is the difference between episode and epoch in deep q learning 训练时,一个epoch中有很多的episode。 如果数据集 ...
分类:其他好文   时间:2020-05-17 17:53:49    阅读次数:171
【每日一题】- Leetcode 402. Remove K Digits
Description: Given a non-negative integer num represented as a string, remove k digits from the number so that the new number is the smallest possible ...
分类:其他好文   时间:2020-05-15 00:34:42    阅读次数:86
1036 Boys vs Girls
This time you are asked to tell the difference between the lowest grade of all the male students and the highest grade of all the female students. Inp ...
分类:其他好文   时间:2020-05-12 15:19:35    阅读次数:71
Keying/Matting
亮度键(Luma Keyer) Keyer Nuke 运用前景背景的亮度差异进行抠像,比如天空、高亮度反差(黑/白物体)就适合使用这种抠像手段。 差分键(Difference Keyer) IBK Keyer Nuke 拍摄有前景和背景的画面,然后在同样的情况下拍摄单独背景的画面,之后通过两画面的差 ...
分类:其他好文   时间:2020-05-08 16:36:26    阅读次数:82
【LeetCode-树】二叉搜索树中第K小的元素
题目描述 给定一个二叉搜索树,编写一个函数?kthSmallest?来查找其中第?k?个最小的元素。 说明: 你可以假设 k 总是有效的,1 ≤ k ≤ 二叉搜索树元素个数。 示例: 题目链接: https://leetcode cn.com/problems/kth smallest elemen ...
分类:其他好文   时间:2020-05-06 12:02:09    阅读次数:46
【LeetCode-树】二叉搜索树的最小绝对差
题目描述 给你一棵所有节点为非负值的二叉搜索树,请你计算树中任意两节点的差的绝对值的最小值。 示例: 题目链接: https://leetcode cn.com/problems/minimum absolute difference in bst/ 思路 二叉搜索树的中序遍历序列是一个升序序列。任 ...
分类:其他好文   时间:2020-05-05 23:45:00    阅读次数:178
PAT甲级:1036 Boys vs Girls (25分)
PAT甲级:1036 Boys vs Girls (25分) 题干 This time you are asked to tell the difference between the lowest grade of all the male students and the highest gra ...
分类:其他好文   时间:2020-05-05 10:32:02    阅读次数:63
719. Find K-th Smallest Pair Distance
问题: 求给定数组中两两元素之差,从小到大第k个差是多少 Example 1: Input: nums = [1,3,1] k = 1 Output: 0 Explanation: Here are all the pairs: (1,3) -> 2 (1,1) -> 0 (3,1) -> 2 Th ...
分类:其他好文   时间:2020-05-04 15:42:43    阅读次数:48
[LeetCode in Python] 5403 (H) find the kth smallest sum of a matrix with sorted rows 有序矩阵中的第 k 个最小数组和
题目 https://leetcode cn.com/problems/find the kth smallest sum of a matrix with sorted rows/ 给你一个 m n 的矩阵 mat,以及一个整数 k ,矩阵中的每一行都以非递减的顺序排列。 你可以从每一行中选出 1 ...
分类:编程语言   时间:2020-05-03 20:16:18    阅读次数:80
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