| 내용 |
public class Task2 {
public static void main(String[] args) {
System.out.println(solution(1, 1));//2
System.out.println(solution(1, 0));//3
System.out.println(solution(-1, 2));//9
System.out.println(solution(2, 2));//12
}
// - - / +1 +1 / -1 -1 -1 -1 / +1 +1 +1 +1 +1 +1
//(0,0) (0,1) (1,1) (1,0) (1,-1) (0,-1) (-1,-1) (-1,0) (-1,1) (-1,2) (0,2) (1,2) (2,2)
// -1 -1 -1 -1
//(2,1) (2,0), (2,-1), (2,-2) ... (-2,-2)
//(-2,-1) (-2,0) (-2,1) (-2,2) (-2,3)
//(0,1) (1,-1) (-1,2) (2,-2) (-2,3)
public static int solution(int X, int Y){
int count=0;
int x=0, y=0;
int dx=-1;
int dy=0;
int temp=0;
for(int i=0; i<Math.pow(Math.max(X, Y)+2, 2); i++){
System.out.println(dx + ", " + dy);
if(x==X && y==Y) return count;
count++;
if(x == y){
temp = dy;
dy = -dx;
dx = temp;
} else if( ((x==0)&&(y==1)) || ((x>0)&&(Math.abs(x)==Math.abs(y))) || ((x<0) && (x==1-y))){
temp = dx;
dx = dy;
dy = temp;
}
x += dx;
y += dy;
}
return count;
}
} |