突然发现自己在 CSDN 已经创作了 128 128 128 天,时间流逝得好快。 在这个特殊的日子里,发篇题解纪念一下。 link 题面翻译 有 n n n 个物品,第 i i i 个物品价格为 a i a_i ai。有三种货币,面值分别为 1 , 2 , 3 1,2,3 1,2,3。求最小需要多少张货币,才能表出所有的 a i a_i ai。多组测试数据。 1 ≤ t
Fisher's exact test [1] [2] [3] is a statistical significance test used in the analysis of contingency tables. Although in practice it is employed when sample sizes are small, it is valid for al
swift 字典 mergeswift 合并两个字典 问题 Swift 在合并两个字典的时候报如下错误: No exact matches in call to instance method 'merge' var dictionary1 = ["a" : "1", "b" : "2"]var dictionary2: [String: Any] = [:]dictionary1.m
问题描述: All com.android.support libraries must use the exact same version specification (mixing versions can lead to runtime crashes). Found versions 24.2.1, 23.4.0. Examples include com.android.suppor
1. 背景 在使用 BigDecimal 的 divide() 对两个数相除时,报了如题的错误。 public class Test {public static void main(String[] args) {BigDecimal b1 = new BigDecimal(1);BigDecimal b2 = new BigDecimal(3);System.out.println(b1.
执行 npm config set registry https://registry.npm.taobao.orgnpm config set disturl https://npm.taobao.org/dist 重新初始化即可,如果遇到 npm update check failedTry running with sudo or get access to the local