https://blog.youkuaiyun.com/Justin139zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/Justin139/article/details/133215009https://blog.youkuaiyun.com/Justin139/article/details/133215009Justin139Sat, 23 Sep 2023 19:37:37 +0800https://blog.youkuaiyun.com/Justin139/article/details/130786355https://blog.youkuaiyun.com/Justin139/article/details/130786355Justin139Sun, 21 May 2023 10:30:48 +0800变量名不能以数字开头，以符号开头的话，只能是。第二行的意思是：使用新命名空间std。好，新建以后，我们就开始写程序了。我们可以点左上角的白纸，新建一个。using是use的现在进行时！只有一个主函数：main(){}C++头文件多了去了...预习cin，cout。]]>https://blog.youkuaiyun.com/Justin139/article/details/130786046https://blog.youkuaiyun.com/Justin139/article/details/130786046Justin139Sat, 20 May 2023 21:36:20 +0800https://blog.youkuaiyun.com/Justin139/article/details/130703696https://blog.youkuaiyun.com/Justin139/article/details/130703696Justin139Wed, 17 May 2023 00:00:00 +0800