#include <stdio.h>
/* printing the Fahrenheit and Celsius for fahr = 0, 20, ... 300 */
main()
{
	float fahr, celsius;
	int lower, upper, step;
	
	lower = 0;
	upper = 300;
	step = 20;
	
	fahr = lower;
	while (fahr <= upper) {
		celsius = (5.0/9.0) * (fahr-32.0);
		printf(“%3.0f %6.1f\n”, fahr, celsius);
		fahr = fahr + step;
	}
}

#include <stdio.h>
#include <conio.h>
#include <math.h>

main()
{
    float x, y;
    printf("Enter x:\n");
    scanf("%f\n", &x);
    printf("Enter y:\n");
    scanf("%f\n", &y);
    if((pow(x,2)+pow(y,2) >= 6.25) && (pow(x,2)+pow(y,2) <= 9))
    printf("Yes, this point is inside this figure.");
    else printf("No, this point is not inside this figure.");
    getch();
}

#include <stdio.h>
#include <conio.h>
#include <math.h>

main()
{
	int x, y, z, p;
	x = 1;
	y = 0;
	z = 0;
	p = 100*x + 10*y + z;
	while (p >= 100 && p < 1000) {
		if (p = pow(x,3) + pow(y,3) + pow(z,3)) printf("%d\n", &p);
		if (z < 9) z = z++;
		else if (z = 9, y <9) y = y++, z = 0;
		else if (z = 9, y = 9, x < 9) x = x++, y = 0, z = 0;
		else if (z = 9, y = 9, x = 9) z = z++;
		p = 100*x + 10*y + z;
	}
	getch();
}

else printf(" \b");