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Link: http://codepad.org/MiaaLmOR    [ raw code | output | fork ]

C++, pasted on Jun 6:
#include <stdlib.h>      //График
#include <iostream.h>
#include <math.h>
#include <conio.h>
#include <graphics.h>
float f(float x);
void main()
	{
	сonst float a=0, b = 2*3.14, h = 0.1;
	const int h1 = 5, x0 = 60, y0 = 240, M = 50;
	int gdriver = DETECT, gmode, errorcode;
	int x1, y1;
	float x,y;
	initgraph(&gdriver, &gmode, "");
	errorcode = graphresult();
	if (errorcode != grOk)
		{
		cout<<"Ошибка"<<grapherrormsg(errorcode);
		cout<<"\n Нажмите на любую клавишу";
		getch();
		exit(1);
		}
	setbkcolor(1);
	setcolor(14);
	line(20, y0, 600, y0);
	line(x0, 440, x0, 20);
	x=a;
	x1 = x0 + M*x;
	y = f(x);
	y1 = y0 - M*y;
	moveto(x1, y1);
	setcolor(15);
	do
		{
		y = f(x); y1 = y0-(M*y);
		lineto(x1, y1);
		x1 += h1; x=x+h;
		}
	while (x <= b);
	settextstyle(0, 0, 1);
	outtextxy (60, 245, "0");
	outtextxy (360, 245, "6.3");
	settextxtyle(0, 0, 2);
	outtextxy (100, 380, "График функции y=2sin2x+1");
	getch(); closegraph();
	}
float f(float x)
	{
	float func;
	func = 2 * sin (2*x) + 1;
	return func;
	} 


Output:
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4
Line 18: error: conio.h: No such file or directory
Line 21: error: graphics.h: No such file or directory
Line 9: error: stray '\321' in program
compilation terminated due to -Wfatal-errors.


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