09.30: implementation(실습용 로봇)

luckylooky2 · Oct 1, 2024 · 29b7616 · 29b7616
1 parent 4bb187e
commit 29b7616
Showing 1 changed file with 28 additions and 0 deletions.
diff --git a/programmers/실습용 로봇.js b/programmers/실습용 로봇.js
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+// 실습용 로봇 : 구현
+function solution(command) {
+  let [x, y] = [0, 0];
+  const [RIGHT, LEFT, GO, BACK] = ["R", "L", "G", "B"];
+  command = command.split("");
+  const dir = [
+    [0, 1],
+    [1, 0],
+    [0, -1],
+    [-1, 0],
+  ];
+  let index = 0;
+
+  for (const cmd of command) {
+    if (cmd === RIGHT) {
+      index = (index + 1) % 4;
+    } else if (cmd === LEFT) {
+      index = (index - 1 + 4) % 4;
+    } else if (cmd === GO) {
+      x += dir[index][0];
+      y += dir[index][1];
+    } else if (cmd === BACK) {
+      x -= dir[index][0];
+      y -= dir[index][1];
+    }
+  }
+  return [x, y];
+}