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C++学习之C概述、数据类型、进制转换与数据存储

article 2025/2/26 6:39:15

一.C概述

1.什么是C语言

2.C语言发展历史

3.编写C程序--环境搭建

4.编写C程序-第一个C程序

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string.h>
#include<stdlib.h>

void test01()
{
   system("cls");
   printf(" `;-. ___,\n");
   printf(" `.`\\_...._/`.-\"`\n");
   printf(" \\ / ,\n");
   printf(" /() () \\ .' `-._\n");
   printf(" |) . ()\\ / _.'\n");
   printf(" \\ -'- ,; '. <\n");
   printf(" ;.__ ,;| > \n");
   printf(" / , / , |.-'.-'\n");
   printf(" (_/ (_/ ,;|.<`\n");
   printf(" \\ , ;-`\n");
   printf(" > \\ /\n");
   printf(" (_,-'`> .'\n");
   printf(" (_,' \n");

system("pause");
system("cls");
}

void test02()
{
   system("cls");
   printf(" .::::.\n");
   printf(" .::::::::.   \n");
   printf(" :::::::::::   \n");
   printf(" ..:::::::::::'\n");
   printf(" '::::::::::::'\n");
   printf(" .::::::::::\n");
   printf(" '::::::::::::::..\n");
   printf(" ..::::::::::::.\n");
   printf(" ``::::::::::::::::\n");
   printf(" ::::``:::::::::' .:::.\n");
   printf(" ::::' ':::::' .::::::::.\n");
   printf(" .::::' :::: .:::::::'::::.\n");
   printf(" .:::' ::::: .:::::::::' ':::::.\n");
   printf(" .::' :::::.:::::::::' ':::::.\n");
   printf(" .::' ::::::::::::::' ``::::.\n");
   printf(" ...::: ::::::::::::' ``::.\n");
   printf(" ```` ':. ':::::::::' ::::..\n");
   printf(" '.:::::' ':'````..\n");

system("pause");
system("cls");
}

void test03()
{
   system("cls");
   printf(" _ooOoo_ \n");
   printf(" o8888888o   \n");
   printf(" 88\" . \"88\n");
   printf(" (| -_- |)   \n");
   printf(" O\\ = /O   \n");
   printf(" ____/`---'\\____\n");
   printf(" .' \\\\| |// `.\n");
   printf(" / \\\\||| : |||// \\\n");
   printf(" / _||||| -:- |||||- \\\n");
   printf(" | | \\\\\\ - /// | |\n");
   printf(" | \\_| ''\\---/'' | |\n");
   printf(" \\ .-\\__ `-` ___/-. /\n");
   printf(" ___`. .' /--.--\\ `. . __\n");
   printf(" ."" '< `.___\\_<|>_/___.' >'"".\n");
   printf(" | | : `- \\`.;`\\ _ /`;.`/ - ` : | |\n");
   printf(" \\ \\ `-. \\_ __\\ /__ _/ .-` / /\n");
   printf(" ======`-.____`-.___\\_____/___.-`____.-'======\n");
   printf(" `=---='                   \n");
   printf(" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
   printf(" 佛祖保佑永无BUG           \n");
   system("pause");
   system("cls");
}

void show_Menu()
{
   printf("********************************************\n");
   printf("************* MY C语言画画 *************\n");
   printf("************* 1.皮卡丘 *************\n");
   printf("************* 2.美女 *************\n");
   printf("************* 3.佛祖 *************\n");
   printf("************* 0.退出 *************\n");
   printf("********************************************\n");
   printf("\n");
}

int main() {

int choice = 0; //用来存储用户的选项

   while (1)
   {
       show_Menu();

printf("请输入您的选择：\n");
scanf("%d", &choice);

       switch (choice)
       {
       case 1:
           test01();
           break;
       case 2:
           test02();
           break;
       case 3:
           test03();
           break;
       case 0:
           exit(0);
           break;
       default:
           system("cls"); //清屏
           break;
       }
   }