Sixth Chapter programming Exercises

First question

1#include <iostream>2#include <cctype>3 using namespacestd;4 intMain ()5 {6     Chararr[ the];7     Charch;8Cin.getline (arr, the);9     intI=0;Tench=arr[0]; One      while((ch!='@') && (i<= the)) A     { -         if((ch>='a') && (ch<='Z')) cout<<Char(ToUpper (CH)); -         Else if((ch>='A') && (ch<='Z')) cout<<Char(ToLower (CH)); the         Elsecout<<ch; -i++; -Ch=Arr[i]; -     } +     return 0; -}

Second question

1#include <iostream>2#include <cctype>3 using namespacestd;4 intMain ()5 {6     Doubletemp;7     Doubledonation[Ten];8     Doublesum=0;9     intCount=0;Ten     DoubleAve=0; One     inti; A      for(i=0;i<Ten&&cin>>temp;i++) -     { -donation[i]=temp; thesum+=Donation[i]; -     } -ave=sum/i; -      for(intj=0; j<i;j++) +     { -         if(Donation[j]>ave) count++; +     } A     if(i!=Ten) cout<<"Input Error"<<Endl; atcout<<"The number of digit you has input"<<i<<Endl; -cout<<"ave="<<ave<<Endl; -cout<<"count="<<count<<Endl; -     return 0; -}

　　

Sixth Chapter programming Exercises