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Copy pathRobot.java
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76 lines (62 loc) · 2.05 KB
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package implementation;
import java.io.*;
import java.util.StringTokenizer;
public class Robot {
static int[] dir = {0, 1, 2, 3}; // 동남서북
static int[] dx = {1, 0, -1, 0};
static int[] dy = {0, -1, 0, 1};
static int myDir = 0;
static int myX = 0;
static int myY = 0;
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
StringTokenizer st = new StringTokenizer(br.readLine());
int M = Integer.parseInt(st.nextToken());
int n = Integer.parseInt(st.nextToken());
for (int i = 0; i < n; i++) {
st = new StringTokenizer(br.readLine());
String commend = st.nextToken();
int commendNum = Integer.parseInt(st.nextToken());
switch (commend) {
case "MOVE":
myX += dx[dir[myDir]] * commendNum;
myY += dy[dir[myDir]] * commendNum;
if (myX < 0 || myX >= M || myY < 0 || myY >= M) {
bw.write("-1");
bw.flush();
bw.close();
br.close();
return;
}
break;
case "TURN":
setDir(commendNum);
break;
}
}
bw.write(Integer.toString(myX) + " " + Integer.toString(myY));
bw.flush();
bw.close();
br.close();
}
// 방향전환 함수
private static void setDir(int commendNum) {
// 왼쪽으로 90도 이동
if (commendNum == 0) {
if (myDir == 0) {
myDir = 3;
} else {
myDir -= 1;
}
}
// 오른쪽으로 90도 이동
else {
if (myDir == 3) {
myDir = 0;
} else {
myDir += 1;
}
}
}
}