今天需要使用Json数据,所以用到了Json的序列化与反序列化.首先先来说怎么序列化的: 1.序列化与反序列化 首先添加System.Runtime.Serialization的引用 Object转换成Json文件: public static string ObjectToJson(object obj) { DataContractJsonSerializer ser = new DataContractJsonSerializer(obj.GetType()); using (Memory
就是根据概率公式入门算算. #include<bits/stdc++.h> const int N=1010; int n,m,k; double p[N],f[N]; int main(){ int T;scanf("%d",&T); for(int yql=1;yql<=T;yql++){ scanf("%d%d%d",&n,&k,&m); for(int i=1;i<=n;i++)scanf("
请看题目描述: You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. Input: (2 -> 4 -> 3) + (5 ->