#include?<iostream>using?namespace?std;int?fun(char?str[?]){????int?n?=?0,?num?=?0;????while?(str[n]?!=?‘\0’)????{????????if?(str[n]?>=?‘A’?&&?str[n]?<=?‘Z’?||????????????str[n]?>=?‘a’?&&?str[n]?<=?‘z’)????????????num++;????????n++;????}????return?num;}int?main(?){????cout?<<?fun(?“123?abc?ABC”?)?<<?endl;????return?0;}
讀后請說明程序的功能，并對每條語句進行注釋，說明其作用。
yuantongxin
2015-11-15 16:33:59