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LeetCode - Rotate Array
Given an array, rotate the array to the right by k steps, where k is non-negative. Example 1: Example 2: Note: Try to come up as many solutions as you ...
分类:其他好文   时间:2018-05-20 10:49:02    阅读次数:162
LeetCode第[66]题(Java):Plus One
题目:数组加一 难度:Easy 题目内容: Given a non-empty array of digits representing a non-negative integer, plus one to the integer. The digits are stored such that ...
分类:编程语言   时间:2018-05-18 14:22:47    阅读次数:217
【CodeForces】722C Destroying Array (线段树)
luogu CodeForces You are given an array consisting of n non-negative integers a1,?a2,?...,?an. You are going to destroy integers in the array one by o ...
分类:其他好文   时间:2018-05-17 11:59:18    阅读次数:234
523. Continuous Subarray Sum是否有连续和是某数的几倍
[抄题]: Given a list of non-negative numbers and a target integer k, write a function to check if the array has a continuous subarray of size at least 2 ...
分类:其他好文   时间:2018-05-17 00:50:39    阅读次数:198
494. Target Sum 添加标点符号求和
[抄题]: You are given a list of non-negative integers, a1, a2, ..., an, and a target, S. Now you have 2 symbols + and -. For each integer, you should ch ...
分类:其他好文   时间:2018-05-14 22:05:26    阅读次数:161
leetcode-746-Min Cost Climbing Stairs(动态规划)
题目描述: On a staircase, the i-th step has some non-negative cost cost[i] assigned (0 indexed). Once you pay the cost, you can either climb one or two st ...
分类:其他好文   时间:2018-05-14 19:57:15    阅读次数:163
LeetCode第[55]题(Java):Jump Game
题目:跳跳游戏 难度:Medium 题目内容: Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the arr ...
分类:编程语言   时间:2018-05-13 19:53:29    阅读次数:227
leetcode-697-Degree of an Array
题目描述: Given a non-empty array of non-negative integers nums, the degree of this array is defined as the maximum frequency of any one of its elements. ...
分类:其他好文   时间:2018-05-13 13:48:45    阅读次数:210
word2vec----negative sampling
一、模型 随机负采样方法,是后来对word2vec输出层做的一种改进,舍弃复杂的层次分类和huffman树 在已知词w上下文的情况下,对应的输出正样本就是w,负样本就是剩下的所有词,非常多,所以我们用某种方法,采样很小的部分,集合为NEG(w)。每个词u都有自己的辅助参数θ 我们希望最大化的函数为, ...
分类:其他好文   时间:2018-05-12 14:21:24    阅读次数:144
2B The least round way
传送门 题目 There is a square matrix n?×?n, consisting of non-negative integer numbers. You should find such a way on it that starts in the upper left cell ...
分类:其他好文   时间:2018-05-11 20:31:54    阅读次数:193
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