al_tria.cpp

数据结构常用算法合集

 /* al_tria.cpp */
 #include <iostream.h>
 #include <conio.h>
 char *getstring(int,char); /* prototype */
 void main()
 { int i;
   char *s;
   for (i=1;i<=10;i++)
   { s = getstring(i,64+i);
     cout<<s<<endl;
     delete[]s;
   }
   getch();
 }
 char *getstring(int n,char ch)
 { char *t;
   int i;
   t = new char[n+1];
   for (i=0;i<n;i++)
   *(t+i) = ch;
   *(t+i) = '\0';      //加上字符串结束码
   return t;  
 }