85차 3번 문제풀이

Author: Eric

live8/test85/문제3/황장현.js

@@ -0,0 +1,28 @@
+function solution(clothes) {
+  let answer = 1;
+  const dic = {};
+
+  for (let i = 0; i < clothes.length; i++) {
+    const kind = clothes[i][1];
+    if (dic[kind] !== undefined) {
+      dic[kind] += 1;
+    } else {
+      dic[kind] = 1;
+    }
+  }
+
+  for (let k in dic) {
+    answer *= dic[k] + 1;
+  }
+
+  answer -= 1;
+  return answer;
+}
+
+console.log(
+  solution([
+    ['yellow_hat', 'headgear'],
+    ['blue_sunglasses', 'eyewear'],
+    ['green_turban', 'headgear'],
+  ])
+);