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c語言程序設計100個經典例子-資料下載頁

2025-07-07 11:45本頁面
  

【正文】 畫圖,學用rectangle畫方形?!  。豪胒or循環(huán)控制100999個數,每個數分解出個位,十位,百位。:include main(){int x0,y0,y1,x1,driver,mode,i。driver=vga。mode=vgahi。initgraph(amp。driver,amp。mode,)。setbkcolor(yellow)。x0=263。y0=263。y1=275。x1=275。for(i=0。i=18。i++){setcolor(1)。rectangle(x0,y0,x1,y1)。x0=x05。y0=y05。x1=x1+5。y1=y1+5。}settextstyle(default_font,horiz_dir,2)。outtextxy(150,40,how beautiful it is!)。line(130,60,480,60)。setcolor(2)。circle(269,269,137)。}==============================================================【程序59】題目:畫圖,綜合例子。:: define pai define b include include main(){int i,j,k,x0,y0,x,y,driver,mode。float a。driver=cga。mode=cgac0。initgraph(amp。driver,amp。mode,)。setcolor(3)。setbkcolor(green)。x0=150。y0=100。circle(x0,y0,10)。circle(x0,y0,20)。circle(x0,y0,50)。for(i=0。i16。i++){ a=(2*pai/16)*i?!=ceil(x0+48*cos(a))。 y=ceil(y0+48*sin(a)*b)?!etcolor(2)。 line(x0,y0,x,y)。}setcolor(3)。circle(x0,y0,60)。/* make 0 time normal size letters */settextstyle(default_font,horiz_dir,0)。outtextxy(10,170,press a key)。getch()。setfillstyle(hatch_fill,yellow)。floodfill(202,100,white)。getch()。for(k=0。k=500。k++){ setcolor(3)?!or(i=0。i=16。i++) {  a=(2*pai/16)*i+(2*pai/180)*k?! =ceil(x0+48*cos(a))?! =ceil(y0+48+sin(a)*b)?! etcolor(2)。 line(x0,y0,x,y)?! for(j=1。j=50。j++) {  a=(2*pai/16)*i+(2*pai/180)*k1?! =ceil(x0+48*cos(a))?! =ceil(y0+48*sin(a)*b)?! ine(x0,y0,x,y)?!}restorecrtmode()。}==============================================================【程序60】題目:畫圖,綜合例子?!  。海篿nclude define left 0define top 0define right 639define bottom 479define lines 400define maxcolor 15main(){int driver,mode,error。int x1,y1。int x2,y2。int dx1,dy1,dx2,dy2,i=1。int count=0。int color=0。driver=vga。mode=vgahi。initgraph(amp。driver,amp。mode,)。x1=x2=y1=y2=10。dx1=dy1=2。dx2=dy2=3。while(!kbhit()){ line(x1,y1,x2,y2)。 x1+=dx1。y1+=dy1?!2+=dx2。y2+dy2?!f(x1=left||x1=right) dx1=dx1?!f(y1=top||y1=bottom)  dy1=dy1?!f(x2=left||x2=right)  dx2=dx2。 if(y2=top||y2=bottom)  dy2=dy2。 if(++countlines) {  setcolor(color)?! olor=(color=maxcolor)?0:++color?!}closegraph()。}【程序61】題目:打印出楊輝三角形(要求打印出10行如下圖)  ?。骸  ?   1      1  1      1  2  1      1  3  3  1      1  4  6  4  1      1  5  10 10 5  1  :main(){int i,j。int a[10][10]。printf(\n)。for(i=0。i10。i++) {a[i][0]=1?![i][i]=1。}for(i=2。i10。i++) for(j=1。j a[i][j]=a[i1][j1]+a[i1][j]。for(i=0。i10。i++) {for(j=0。j=i。j++) printf(%5d,a[i][j])?!rintf(\n)?!}==============================================================【程序62】題目:學習putpixel畫點。:           ?。篿nclude include main(){int i,j,driver=vga,mode=vgahi。initgraph(amp。driver,amp。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】題目:畫橢圓ellipse   ::include include include main(){int x=360,y=160,driver=vga,mode=vgahi。int num=20,i。int top,bottom。initgraph(amp。driver,amp。mode,)。top=y30。bottom=y30。for(i=0。i{ellipse(250,250,0,360,top,bottom)。top=5。bottom+=5。}getch()。}==============================================================【程序64】題目:利用ellipse and rectangle 畫圖。::include include include main(){int driver=vga,mode=vgahi。int i,num=15,top=50。int left=20,right=50。initgraph(amp。driver,amp。mode,)。for(i=0。i{ellipse(250,250,0,360,right,left)。ellipse(250,250,0,360,20,top)。rectangle(202*i,202*i,10*(i+2),10*(i+2))。right+=5。left+=5。top+=10。}getch()。}==============================================================【程序65】題目:一個最優(yōu)美的圖案?!  。海篿nclude include include include include include include define maxpts 15define pi struct pts {int x,y。}。double aspectratio=。void linetodemo(void){struct viewporttype vp。struct pts points[maxpts]。int i, j, h, w, xcenter, ycenter。int radius, angle, step。double rads。printf( moveto / lineto demonstration )。getviewsettings( amp。vp )。h = 。w = 。xcenter = w / 2。 /* determine the center of circle */ycenter = h / 2。radius = (h 30) / (aspectratio * 2)。step = 360 / maxpts。 /* determine of increments */angle = 0。 /* begin at zero degrees */for( i=0 。 irads = (double)angle * pi / 。 /* convert angle to radians */points[i].x = xcenter + (int)( cos(rads) * radius )。points[i].y = ycenter (int)( sin(rads) * radius * aspectratio )。angle += step。 /* move to next increment */}circle( xcenter, ycenter, radius )。 /* draw bounding circle */for( i=0 。 ifor( j=i 。 jmoveto(points[i].x, points[i].y)。 /* move to beginning of cord */lineto(points[j].x, points[j].y)。 /* draw the cord */} } }main(){int driver,mode。driver=cga。mode=cgac0。initgraph(amp。driver,amp。mode,)。setcolor(3)。setbkcolor(green)。linetodemo()。} ==============================================================【程序66】題目:輸入3個數a,b,c,按大小順序輸出?!  。豪弥羔樂椒ā#?*pointer*/main(){int n1,n2,n3。int *pointer1,*pointer2,*pointer3。printf(please input 3 number:n1,n2,n3:)。scanf(%d,%d,%d,amp。n1,amp。n2,amp。n3)。pointer1=amp。n1。pointer2=amp。n2。pointer3=amp。n3。if(n1n2) swap(pointer1,pointer2)。if(n1n3) swap(pointer1,pointer3)。if(n2n3) swap(pointer2,pointer3)。printf(the sorted numbers are:%d,%d,%d\n,n1,n2,n3)。}swap(p1,p2)int *p1,*p2。{int p。p=*p1。*p1=*p2。*p2=p。}==============================================================【程序67】題目:輸入數組,最大的與第一個元素交換,最小的與最后一個元素交換,輸出數組。:譚浩強的書中答案有問題?!     。簃ain(){int number[10]。input(number)。max_min(number)。output(number)。}input(number)int number[10]。{int i。for(i=0。i9。i++) scanf(%d,amp。number[i])?!can
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