70차 2번 제출

Author: egg-silver

live6/test70/문제2/이지은.js

@@ -0,0 +1,36 @@
+const input = require('fs')
+  .readFileSync(process.platform === 'linux' ? '/dev/stdin' : './input.txt')
+  .toString()
+  .trim()
+  .split('\n');
+
+function solution(input) {
+  let index = 0;
+  const T = Number(input[index++]);
+  const results = [];
+
+  for (let t = 0; t < T; t++) {
+    const n = Number(input[index++]);
+    const clothesMap = {};
+
+    for (let i = 0; i < n; i++) {
+      const [item, type] = input[index++].split(' ');
+      if (clothesMap[type]) {
+        clothesMap[type]++;
+      } else {
+        clothesMap[type] = 1;
+      }
+    }
+
+    let result = 1;
+    for (const type in clothesMap) {
+      result *= clothesMap[type] + 1;
+    }
+
+    results.push(result - 1);
+  }
+
+  return results.join('\n');
+}
+
+console.log(solution(input));