C语言文件读写代码

#include 
  
   
#include
   
     #include
    
      #include
     
       #include
      
        #include
       
         #include
        
          #include
         
           #include
          
            #include
           
             using namespace std; typedef struct{ char name[20]; }Id; /*class Exchange { public: int exchangeOddEven(int x) { int res=0; int t; stack
            
              stk; while(x) { t=x%2; x/=2; stk.push(t); } int n=stk.size(); if(n%2==1){ stk.push(0); n++; } t=n; int x1; int y; //cout<
             
               res; for(int i=0;i<6;i++) res.push_back(i); for(int i=0;i<6;i++) { cout<