#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<math.h>
#include<time.h>
int main01()
{
/*char ch[]="hello world";
char*p=ch;
printf("%s ",p);//hello world
printf("%c ",*p);//h
printf("%c ",*(p+1));//e */
char ch[]="hello world";//栈区字符串
char*p="hello world";//数据区常量区字符串
char*p1="hello world";
//内存地址相同
printf("%p ",p);
printf("%p ",p1);
ch[2]='m';
//*(p+2)='m';//err
//p[2]='m';//err
printf("%s ",ch);//hemlo world
printf("%s ",p);//hello world
return EXIT_SUCCESS;
}
int mani(void)
{
//字符串数组
//指针数组 int*arr[3];
//可修改
/*char ch1[]="hello";
char ch2[]="world";
char ch3[]="aoligei";
char*arr[]={ch1,ch2,ch3};*/
//字符串数组；常量字符串，不能修改
char*arr[]={"hello","world","aoligei"};
/*for(int i=0;i<3;i++)
{
printf("%s ",arr[i]);//hello world aoligei
printf("%c ",arr[i][0]);//h w a
}*/
//字符串排序（根据字符串首字母ASCII码）
for(int i=0;i<3-1;i++)
{
for(int j=0;j<3-1-i;j++)
{
if(arr[j][0]>arr[j+1][0])
{
chat*temp=arr[j];
arr[j]=arr[j+1];
arr[j+1]=temp;
}
}
}
for(int i=0;i<3;i++)
{
printf("%s ",arr[i]);
}
return 0;
}