dart game / 중급

Author: JustDevRae

JustDevRae/Stack/dart_game.js

@@ -0,0 +1,41 @@
+function solution(dartResult) {
+  var answer = 0;
+  const dartResultArray = dartResult.match(/\d+|[SDT]|\#|\*/g);
+  const stack = [];
+  let value;
+  
+  for (str of dartResultArray) {
+    if (str === "S") {
+      value = stack.pop();
+      stack.push(value);
+    } else if (str === "D") {
+      value = stack.pop();
+      stack.push(value * value);
+    } else if (str === "T") {
+      value = stack.pop();
+      stack.push(value * value * value);
+    } else if (str === "*") {
+      let firtPopValue = stack.pop();
+      firtPopValue *= 2;
+      let secondPopValue = stack.pop();
+      if (secondPopValue === undefined) {
+        stack.push(firtPopValue);
+      } else {
+        secondPopValue *= 2;
+        stack.push(secondPopValue);
+        stack.push(firtPopValue);
+      }
+    } else if (str === "#") {
+      value = stack.pop();
+      stack.push(value * -1);
+    } else {
+      stack.push(Number(str));
+    }
+  }
+
+  for (element of stack) {
+    answer += element;
+  }
+
+  return answer;
+}