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LeetCode#476 Number Complement - in Swift
Given a positive integer, output its complement number. The complement strategy is to flip the bits of its binary representation.給一個正整數,算出他的二補數 (2’s c... ...
分类:编程语言   时间:2020-02-06 12:32:52    阅读次数:77
553. Optimal Division
Given a list of positive integers, the adjacent integers will perform the float division. For example, [2,3,4] -> 2 / 3 / 4. However, you can add any ...
分类:其他好文   时间:2020-02-05 09:32:59    阅读次数:67
hdu 6182A Math Problem(快速幂)
You are given a positive integer n, please count how many positive integers k satisfy kk≤nkk≤n. InputThere are no more than 50 test cases. Each case o ...
分类:其他好文   时间:2020-02-04 12:22:03    阅读次数:55
springboot配置之在配置文件中配置debug=true开启自动配置类报告
CONDITIONS EVALUATION REPORT Positive matches: AopAutoConfiguration matched: - @ConditionalOnProperty (spring.aop.auto=true) matched (OnPropertyCondit ...
分类:编程语言   时间:2020-02-01 16:40:21    阅读次数:357
02_精确度,召回率,真阳性,假阳性
1) 精确度( precision ):TP / ( TP+FP ) = TP / P 2) 召回率(recall):TP / (TP + FN ) = TP / T 3) 真阳性率(True positive rate):TPR = TP / ( TP+FN ) = TP / T (敏感性 sen ...
分类:其他好文   时间:2020-02-01 14:40:53    阅读次数:114
第二十六个知识点:描述NAF标量乘法算法
第二十六个知识点:描述NAF标量乘法算法 NAF标量乘法算法是标量乘法算法的一种增强,该算法使用了非邻接形式(Non Adjacent Form)表达,减少了算法的期望运行时间。下面是具体细节: 让$k$是一个正整数,$P$是一个在域$F_q$上椭圆曲线$E$上的点。这个计算乘法操作$Q = k P ...
分类:编程语言   时间:2020-01-31 16:12:23    阅读次数:239
1046. Last Stone Weight
We have a collection of rocks, each rock has a positive integer weight. Each turn, we choose the two heaviest rocks and smash them together. Suppose t ...
分类:其他好文   时间:2020-01-31 14:13:17    阅读次数:78
PAT Advanced 1003 Emergency (25分)
As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some ro ...
分类:其他好文   时间:2020-01-31 12:10:59    阅读次数:88
Leetcode 1323 Mximum 69 Number (Math)
Leetcode 1323 Mximum 69 Number (Math) 题目描述 例子 限制条件 解题思路 将num中最高位的6变成9 代码 Python代码 class Solution: def maximum69Number (self, num: int) : return int(st ...
分类:其他好文   时间:2020-01-30 22:47:09    阅读次数:87
PAT Advanced 1047 Student List for Course (25分)
Zhejiang University has 40,000 students and provides 2,500 courses. Now given the registered course list of each student, you are supposed to output t ...
分类:其他好文   时间:2020-01-29 19:46:43    阅读次数:81
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