±Û¾´ÀÌ :½ÅÇöÀÏ 1999³â 7¿ù 16ÀÏ 02:56:33
In Reply to: [±Þ] ¾ÆÁÖ ±ÞÇÑ Áú¹®...¾Æ´Ï ºÎŹÀÔ´Ï´Ù posted by Á¤Áö¿¬ on 1999³â 7¿ù 15ÀÏ 13:57:42:
// ÀÌÂ÷¹æÁ¤½ÄÀÇ ±Ù ±¸Çϱâ
// Çã±ÙÀº ±ÙÀÌ ¾ø´Ù°í ÇÑ´Ù.
// ´ä¿¡ ·çÆ®°¡ Àֱ⠶§¹®¿¡ Ç¥½ÃÇÒ ¶§ ¾î·Á¿òÀÌ ¸¹´Ù.
// Á¦ ¸Ú´ë·Î ¸¸µé¾ú±â ¶§¹®¿¡ ÀÌ»óÇÑ °ÍÀÌ ¸¹À» °Ì´Ï´Ù.
// ±Ã±ÝÇÑ °ÍÀÌ ÀÖÀ¸¸é ¸ÞÀÏÀ» Áֽðí
// ³Ê¹« ¸ø¸¸µé¾ú´õ¶óµµ ±Í¿±°Ô ºÁÁÖ¼¼¿ä..
// ±×·³..À̸¸.
public class Quadratic {
int X2; // ÀÌÂ÷Ç× °è¼ö
int X1; // ÀÏÂ÷Ç× °è¼ö
int X0; // »ó¼öÇ×
Quadratic(String[] args) {
X2 = Integer.parseInt(args[0]);
X1 = Integer.parseInt(args[1]);
X0 = Integer.parseInt(args[2]);
}
public static void main(String[] args) {
Quadratic quad = new Quadratic(args);
//±Ù ±¸Çϱâ(±ÙÀÇ °ø½ÄÀ» ÀÌ¿ë)
int temp;
temp = (int)Math.pow(quad.X1, 2); // b^2
temp = temp - 4 * (quad.X2) * (quad.X0); // b^2 - 4ac
//±ÙÀ» Ãâ·ÂÇÑ´Ù.
System.out.println( quad.X2 + "x^2 + " + quad.X1 + "x + " + quad.X0 + " = 0");
if( temp > 0)
{
System.out.println( "1 ROOT: " + "(" + -(quad.X1) + "+" + temp + "^(1/2)" + ")" + "/2");
System.out.println( "2 ROOT: " + "(" + -(quad.X1) + "-" + temp + "^(1/2)" + ")" + "/2");
}
else if(temp ==0)
System.out.println( "ROOT: " + (-(quad.X1)/2)); //Áß±ÙÀÔ´Ï´Ù.
else
System.out.println("ROOT : no..."); //Çã±ÙÀÔ´Ï´Ù.
}
}