Update 502-ipo.js

Author: everthis

502-ipo.js

@@ -6,9 +6,9 @@
  * @return {number}
  */
 const findMaximizedCapital = function(k, W, Profits, Capital) {
-  let idxArr = Profits.map((_, i) => i).sort((ia, ib) => Profits[ib] - Profits[ia]);
+  const idxArr = Profits.map((_, i) => i).sort((ia, ib) => Profits[ib] - Profits[ia]);
   while (k) {
-    let choose = idxArr.findIndex(i => Capital[i] <= W);
+    const choose = idxArr.findIndex(i => Capital[i] <= W);
     if (choose == -1) return W;
     W += Profits[idxArr[choose]];
     idxArr.splice(choose, 1);