lt317.c

软件编程入门丛书《C语言程序设计》源代码。

# include "stdio.h"
void main( )
{ int i,j,a;
 char s;
 i=1;
for (i=i;i<=8;i++)
{    printf("%s\n"," ");
      for (a=1;a<=10-i;a++)
          printf("%s"," ");
       for (j=1;j<=i*2-1;j++)
           { printf ("%d",i);
             if (j>i*2-1)
               printf ("%s\n"," ");
   }} scanf ("%c",&s);
}