Relative Ranks

Author: lessfish

Algorithms/Relative Ranks/relative-ranks.js

@@ -0,0 +1,42 @@
+// Source : https://leetcode.com/problems/relative-ranks/
+// Author : Han Zichi
+// Date   : 2017-02-07
+
+/**
+ * @param {number[]} nums
+ * @return {string[]}
+ */
+var findRelativeRanks = function(nums) {
+  let res = [];
+
+  nums.forEach((item, index) => {
+    res.push({
+      index: index,
+      score: item,
+      rank: null
+    });
+  });
+
+  res.sort((a, b) => (b.score - a.score));
+
+  for (let i = 0, len = res.length; i < len; i++) {
+    if (i === 0)
+      res[i].rank = "Gold Medal";
+    else if (i === 1)
+      res[i].rank = "Silver Medal";
+    else if (i === 2)
+      res[i].rank = "Bronze Medal";
+    else
+      res[i].rank = (i + 1) + '';
+  }
+
+  res.sort((a, b) => (a.index - b.index));
+
+  let ans = [];
+
+  res.forEach((item) => {
+    ans.push(item.rank);
+  });
+
+  return ans;
+};