Cacher is the code snippet organizer for pro developers

#include <stdio.h>
int count = 0; //全局变量 0
void main() 
{ 
 int count = 10; //局部变量10
 printf("count =%d\n",count);//局部变量屏蔽了全局变量 所以输出结果是10 
 { 
  int count = 20; 
  printf("count =%d\n",::count); //作用域符号指出引用全局变量0
  //::sort 
 } 
}