str_tri.cpp

来自「数据结构常用算法合集」· C++ 代码 · 共 18 行

 //str_tri.cpp
 #include <iostream.h>				//cin,cout
 #include <conio.h>				//getch()
 #include <string.h>
 void main()
 { char *triangle,*R="Republic";
   int len;
   len = strlen(R)+1;
   triangle = new char[len+1];
   for (int i=1;i<len;i++)
   { triangle[0]='\0';				//清除字符串
     strncat(triangle,R,i);
     cout<< triangle << endl;
   }
   delete[] triangle;
   getch();
 }