feat: 统一 cpp 文件编码格式为 utf-8

practical_exercises/10_day_practice/day1/注释.cpp

@@ -1,16 +1,16 @@
 #include<iostream>
 
 
-һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD>
+一种条件编译指令注释
 
 
-//<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ע<EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD>
+//另一种注释方法
 #if 0
 asd
 #endif
 
-//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD>
-//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
+//打开注释
+//条件编译指令
 #if 1
 asData
 #endif

practical_exercises/10_day_practice/day1/联合体学习.cpp

@@ -1,6 +1,6 @@
 #include<iostream>
 using namespace std;
-//<EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD>ַ
+//相同的内存地址
 union myun 
 {
     struct { int x; int y; int z; }u; 
@@ -11,7 +11,7 @@ int main()
     a.u.x =4;
     a.u.y =5; 
     a.u.z =6; 
-    a.k = 0; //<EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>int<EFBFBD>ռ<EFBFBD>ֵ
+    a.k = 0; //覆盖掉第一个int空间值
     printf("%d %d %d %d\n",a.u.x,a.u.y,a.u.z,a.k);
     system("pause");
     return 0;