qq_41281130-CSDN博客

原创 C语言实现动态内存管理

#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<stdlib.h>#define n 5 /假定系统允许的最大作业为n，假定模拟实验中n值为10/#define m 5 /假定系统允许的空闲区表最大为m，假定模拟实验中m值为10/#define minisize 0struct{float a...

2019-12-10 22:07:44 295

利用栈实现对字符串括号的匹配，每输入一个'{','(','['就压入一个对应的匹配括号,输入其他括号时则将对应的括号弹出与输入的括号进行比较判断 public static boolean isValid(String s) { Deque<Character> stack=new LinkedList<Character>(); char cs[]=s.toCharArray(); for(int i=0;i<cs.lengt

2020-10-17 10:39:53 161

原创 jdbc基础操作

配置文件driver=com.mysql.jdbc.Driverurl=jdbc:mysql://localhost:3306/test?useSSL=falseuser=rootpassword=******jdbcuimport java.io.IOException;import java.io.InputStream;import java.sql.*;import java.util.Properties;public class jdbcu {private static

2020-08-11 16:36:37 132

原创 java多线程查找文件内容

线程类public class findThread extends Thread {private String word;private File fbl;public findThread(File fbl, String word) throws FileNotFoundException { this.fbl = fbl; this.word = word;}public void run() { String s; FileReader fr = null; try {

2020-05-18 18:54:27 306

原创隔一日问题

下面展示一些内联代码片。// A code blockvar foo = 'bar';// An highlighted block#include "pch.h"#define _CRT_SECURE_NO_WARNINGS#include<iostream>using namespace std;bool isThirtyDay(int month) {//分类...

2020-05-06 13:59:01 731

原创合并文件夹中文件

public class HeBin { public static void main(String[] args) throws IOException { //创建数据源目录File对象，路径是 File srcFolder = new File("d:/zd"); //创建目的地目录file对象，路径是模块名 Fi...

2020-04-24 21:07:17 135

原创 java递归查找一个文件目录下的最大最小文件（含子文件）

public class search {File minFile;File maxFile;long minlength = 10000;long maxlength = 0;public void searchFile(File f){ File[] fileList = f.listFiles(); if(fileList == null){ ret...

2020-04-24 16:24:31 386

原创冒泡排序算法3种

#include<stdio.h>#include<stdlib.h>#includeint a[]={9,13,2,3,4,5,6,7,8,16,17,18,19};int length = sizeof(a) / sizeof(0);int num = 0;//统计的排序次数void sort(int a[]){for (int i = length -...

2019-12-26 23:15:59 84

原创磁盘调度算法

c语言实现计算机系统磁盘调度算法:1.先来先服务算法2.最短寻道时间优先算法3.电梯算法#define _CRT_SECURE_NO_WARNINGS#include “cstdio”#include “string”#include “iostream”#include “algorithm”#include “cstring”#include"math.h"using name...

2019-12-17 17:21:44 117

原创 C语言实现词法识别

#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<string.h>#include<math.h>int main() {int i = 0, j, k = 0, state = 1, f = 0, linenum = 1;char a[11][10] = { “const”,“var...

2019-12-10 22:14:57 259

原创 8数码问题

#include#include#include<stdio.h>#include <stdlib.h>typedef int State[9];//定义状态类型const int maxstate = 1000000;State st[maxstate], goal;//状态数组，所有状态都保存在这里int dist[maxstate];//距离数组int...

2019-11-01 23:04:55 113

原创数据结构c语言栈实现数制转化

#include<malloc.h>#include<stdio.h>#include<stdlib.h>#define STACK_INT_SIZE 100#define STACKINCREMENT 10int N, R;typedef int SElemType;typedef bool Status;typedef struct {...

2019-11-01 23:02:23 691

原创 C语言实现亚当姆斯方法

#include<stdio.h>#include<stdlib.h>double fx(double x, double y){return(y - 2 * x / y);}int main() {double x1, K1, K2, K3, K4, y1;double x0, y0, h,yx1,yx0,y2,y3,y4,x2,x3,x4,yp;int...

2019-04-01 14:20:09 631

原创 C语言实现改良版欧拉公式

#include<stdio.h>#include<stdlib.h>double fx(double x, double y){return(y - 2 * x / y);}int main() {double x1, yp, yc, y1;double x0, y0, h;int N;printf("请输入x0，y0，h，N:");scanf_s(...

2019-03-29 15:30:56 1520

原创 C语言实现非改良欧拉公式

#include<stdio.h>#include<stdlib.h>double fx(double x, double y){return(y - 2 * x / y);}int main() {double x1, y1;double x0, y0, h;int N;printf("请输入x0，y0，h，N:");scanf_s("%lf%lf%...

2019-03-29 15:29:40 444

原创 C语言实现4阶龙格库塔公式

#include<stdio.h>#include<stdlib.h>double fx(double x, double y){return(y - 2 * x / y);//书上的公式}int main() {double x1, K1, K2,K3,K4, y1;double x0, y0, h;int N;printf("请输入x0，y0，h，N...

2019-03-29 15:27:52 4098

原创 C语言实现拉格朗日插值

#include<stdio.h>#include<stdlib.h>int main() {int x[10], n;double y[10];int ax;double ay;printf(“请输入x与y的对数n：”);scanf_s("%d",&n);printf(“请输入x：”);scanf_s("%d", &ax);ay=0;...

2019-03-29 15:25:58 1359

原创 C语言实现牛顿插值公式

#include<stdio.h>#include<stdlib.h>int main() {int x[10], n;double y[10];int ax;double ay;double e;printf(“请输入x与y的对数n：”);scanf_s("%d", &n);printf(“请输入x：”);scanf_s("%d", &amp...

2019-03-29 15:24:01 1117

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