C语言程序设计100例

来源:互联网 发布:百度的人工智能怎么样 编辑:程序博客网 时间:2024/05/18 17:40
main()
{int i,j;
int a[10][10];
printf("\n");
for(i=0;i<10;i++)
  {a[i][0]=1;
  a[i][i]=1;}
for(i=2;i<10;i++)
  for(j=1;j<i;j++)
  a[i][j]=a[i-1][j-1]+a[i-1][j];
for(i=0;i<10;i++)
  {for(j=0;j<=i;j++)
  printf("%5d",a[i][j]);
  printf("\n");
  }
}
-----------------------------------------------------------------------------
【程序62】
题目:学习putpixel画点。
1.程序分析:            
2.程序源代码:
#include "stdio.h"
#include "graphics.h"
main()
{
int i,j,driver=VGA,mode=VGAHI;
initgraph(&driver,&mode,"");
setbkcolor(YELLOW);
for(i=50;i<=230;i+=20)
  for(j=50;j<=230;j++)
  putpixel(i,j,1);
for(j=50;j<=230;j+=20)
  for(i=50;i<=230;i++)
  putpixel(i,j,1);
}
-----------------------------------------------------------------------------
【程序63】
题目:画椭圆ellipse   
1.程序分析:
2.程序源代码:
#include "stdio.h"
#include "graphics.h"
#include "conio.h"
main()
{
int x=360,y=160,driver=VGA,mode=VGAHI;
int num=20,i;
int top,bottom;
initgraph(&driver,&mode,"");
top=y-30;
bottom=y-30;
for(i=0;i<num;i++)
{
ellipse(250,250,0,360,top,bottom);
top-=5;
bottom+=5;
}
getch();

}


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