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Add Strings
Given two non-negative integers num1 and num2 represented as string, return the sum of num1 and num2. Note: 代码的主要思路就是一位一位相加。具体代码实现过程如下。 但是关注了一下,评论区大神的 ...
分类:其他好文   时间:2018-01-23 23:16:34    阅读次数:203
[LeetCode] 45. Jump Game II Java
题目: Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents your m ...
分类:编程语言   时间:2018-01-23 10:56:50    阅读次数:176
1005. Spell It Right (20)
Given a non-negative integer N, your task is to compute the sum of all the digits of N, and output every digit of the sum in English. Input Specificat ...
分类:其他好文   时间:2018-01-21 00:00:55    阅读次数:208
746. Min Cost Climbing Stairs(动态规划)
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 steps. Y ...
分类:其他好文   时间:2018-01-20 22:55:22    阅读次数:251
CF 750C New Year and Rating(思维题)
题目链接:http://codeforces.com/problemset/problem/750/C 题目: Every Codeforces user has rating, described with one integer, possibly negative or zero. Users ...
分类:其他好文   时间:2018-01-20 20:30:58    阅读次数:234
66. Plus One
Given a non-negative integer represented as a non-empty array of digits, plus one to the integer. You may assume the integer do not contain any leadin ...
分类:其他好文   时间:2018-01-20 18:51:20    阅读次数:164
[LeetCode] Counting Bits
Given a non negative integer number num. For every numbers i in the range 0 ≤ i ≤ num calculate the number of 1's in their binary representation and r ...
分类:其他好文   时间:2018-01-18 15:01:37    阅读次数:118
机器学习常用考核指标总结
阅读目录 1. TPR、FPR&TNR 2. 精确率Precision、召回率Recall和F1值 3. 综合评价指标F-measure 4. ROC曲线和AUC 5. 参考内容 考虑一个二分问题,即将实例分成正类(positive)或负类(negative)。对一个二分问题来说,会出现四种情况。如 ...
分类:其他好文   时间:2018-01-18 11:47:48    阅读次数:191
java中的无穷大和无穷小
double型和float型都可以如下表示无穷大和无穷小 import static java.lang.Double.NEGATIVE_INFINITY;import static java.lang.Double.POSITIVE_INFINITY; double max=POSITIVE_IN ...
分类:编程语言   时间:2018-01-17 00:42:50    阅读次数:211
1082. Read Number in Chinese (25)
Given an integer with no more than 9 digits, you are supposed to read it in the traditional Chinese way. Output "Fu" first if it is negative. For exam ...
分类:其他好文   时间:2018-01-17 00:36:12    阅读次数:170
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