c语言坐标画折线,如何用C语言画折线图

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wzc_112233

2019.01.01

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内容来自用户:inmisandy #include

#include

#include

#define pi 3.1415926

void main()

{

int gdriver,gmode,i,j,m,a;

struct fillsettingstype save;

gdriver=DETECT;

initgraph(&gdriver,&gmode," ");

setbkcolor(0);

cleardevice();

setcolor(3);

settextstyle(1,0,5);

outtextxy(50,300,"I am from class JI KE 0903");

outtextxy(150,200,"xuehao");

outtextxy(70,100,"My name is *****");

getch();

cleardevice();

setlinestyle(0,0,3);

setfillstyle(1,4);

for(j=0;j<15;j++)

{

setcolor(j);

line(320,160,295,205);

line(320,160,345,205);

line(295,205,250,205);

line(345,205,390,205);

line(250,205,285,250);

line(390,205,355,250);

line(285,250,280,310);

line(355,250,360,310);

line(280,310,320,280);

line(360,310,320,280);

floodfill(320,240,j);

for(i=1;i<=40;i++)

{

for(m=0;m<=320;m=m+10)

{

line(320+(85+m)*cos(i*pi/20),240-(85+m)*sin(i*pi/20),320+(87+m)*cos(i*pi/20),240-(87+m)*sin(i*pi/20));

}

delay(15000);

}

}

cleardevice();

setbkcolor(10);

setcolor(9);

settextstyle(1,0,10);

outtextxy(20,160,"Goodbye!!!");

getch();

closegraph();

}

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