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#include <math.h>
#include <iostream>
using namespace std;
int main()
{
	double x_s = -4, x_e = 12, N = 17, a = 4, b = 6, c = 2, x = x_s, h = 0, y;
	double a1, a2, a3;
	while (h <= N)
	{
		if (x < 0)
		{
			y = (b / 2 + atan(b * c * x) - exp(sqrt(abs(sin(3.14 * x / 3)))  - a)) / 3 * a;
		}
		if (0 <= x && x <= 8)
		{
			a1 = sqrt(a * x * x + 2 * b * x + abs(3 * a - 3 * c / 2));
			y = 1 / a * (1 - exp(x / c - a) / a1);
		}
		if (x > 8)
		{
			y = x * x / a * a * a - (a * b + 5 * c / 2) / b * 2 + c;
		}
		cout << "x = " << x << "\t" << "y = " << y << endl;
		x = x + x / N;
		h++;
	}
return 0;	
}
 

Main.java:1: error: illegal character: '#'
#include <math.h>
^
Main.java:1: error: class, interface, or enum expected
#include <math.h>
         ^
Main.java:2: error: illegal character: '#'
#include <iostream>
^
Main.java:4: error: class, interface, or enum expected
int main()
^
Main.java:7: error: class, interface, or enum expected
	double a1, a2, a3;
	^
Main.java:8: error: class, interface, or enum expected
	while (h <= N)
	^
Main.java:13: error: class, interface, or enum expected
		}
		^
Main.java:17: error: class, interface, or enum expected
			y = 1 / a * (1 - exp(x / c - a) / a1);
			^
Main.java:18: error: class, interface, or enum expected
		}
		^
Main.java:22: error: class, interface, or enum expected
		}
		^
Main.java:24: error: class, interface, or enum expected
		x = x + x / N;
		^
Main.java:25: error: class, interface, or enum expected
		h++;
		^
Main.java:26: error: class, interface, or enum expected
	}
	^
Main.java:28: error: class, interface, or enum expected
}
^
14 errors

Standard output is empty