Update 638-shopping-offers.js

Author: everthis

638-shopping-offers.js

@@ -5,40 +5,45 @@
  * @return {number}
  */
 const shoppingOffers = function (price, special, needs) {
-  return helper(price, special, needs, 0);
+  return helper(price, special, needs, 0)
 }
 
-
 function helper(price, special, needs, pos) {
-    let local_min = directPurchase(price, needs);
-    for (let i = pos; i < special.length; i++) {
-        let offer = special[i];
-        let temp = [];
-        for (let j = 0; j < needs.length; j++) {
-            if (needs[j] < offer[j]) { // check if the current offer is valid
-                temp = null;
-                break;
-            }
-            temp.push(needs[j] - offer[j]);
-        }
+  let local_min = directPurchase(price, needs)
+  for (let i = pos; i < special.length; i++) {
+    let offer = special[i]
+    let temp = []
+    for (let j = 0; j < needs.length; j++) {
+      if (needs[j] < offer[j]) {
+        // check if the current offer is valid
+        temp = null
+        break
+      }
+      temp.push(needs[j] - offer[j])
+    }
 
-        if (temp !== null) { // use the current offer and try next
-            local_min = Math.min(local_min, offer[offer.length - 1] + helper(price, special, temp, i));
-        }
+    if (temp !== null) {
+      // use the current offer and try next
+      local_min = Math.min(
+        local_min,
+        offer[offer.length - 1] + helper(price, special, temp, i),
+      )
     }
+  }
 
-    return local_min;
+  return local_min
 }
 
 function directPurchase(price, needs) {
-    let total = 0;
-    for (let i = 0; i < needs.length; i++) {
-        total += price[i] * needs[i];
-    }
+  let total = 0
+  for (let i = 0; i < needs.length; i++) {
+    total += price[i] * needs[i]
+  }
 
-    return total;
+  return total
 }
 
+
 // another
 
 /**