feat: update ts solution to lc problem: No.0860

Author: rain84

solution/0800-0899/0860.Lemonade Change/README.md

@@ -196,31 +196,31 @@ func lemonadeChange(bills []int) bool {
 
 ```ts
 function lemonadeChange(bills: number[]): boolean {
-    let five = 0;
-    let ten = 0;
-    for (let bill of bills) {
-        switch (bill) {
-            case 5:
-                five++;
-                break;
-            case 10:
-                five--;
-                ten++;
-                break;
-            case 20:
-                if (ten !== 0) {
-                    ten -= 1;
-                    bill -= 10;
-                }
-                five -= bill / 5 - 1;
-                break;
+  let [five, ten] = [0, 0]
+  for (const x of bills) {
+    switch (x) {
+      case 5:
+        five++
+        break
+      case 10:
+        five--
+        ten++
+        break
+      case 20:
+        if (ten) {
+          ten--
+          five--
+        } else {
+          five -= 3
         }
+        break
+    }
 
-        if (five < 0) {
-            return false;
-        }
+    if (five < 0) {
+      return false
     }
-    return true;
+  }
+  return true
 }
 ```
 

solution/0800-0899/0860.Lemonade Change/README_EN.md

@@ -29,7 +29,7 @@ tags:
 <pre>
 <strong>Input:</strong> bills = [5,5,5,10,20]
 <strong>Output:</strong> true
-<strong>Explanation:</strong> 
+<strong>Explanation:</strong>
 From the first 3 customers, we collect three $5 bills in order.
 From the fourth customer, we collect a $10 bill and give back a $5.
 From the fifth customer, we give a $10 bill and a $5 bill.
@@ -41,7 +41,7 @@ Since all customers got correct change, we output true.
 <pre>
 <strong>Input:</strong> bills = [5,5,10,10,20]
 <strong>Output:</strong> false
-<strong>Explanation:</strong> 
+<strong>Explanation:</strong>
 From the first two customers in order, we collect two $5 bills.
 For the next two customers in order, we collect a $10 bill and give back a $5 bill.
 For the last customer, we can not give the change of $15 back because we only have two $10 bills.
@@ -181,10 +181,9 @@ func lemonadeChange(bills []int) bool {
 
 ```ts
 function lemonadeChange(bills: number[]): boolean {
-    let five = 0;
-    let ten = 0;
-    for (let bill of bills) {
-        switch (bill) {
+    let [five, ten] = [0, 0];
+    for (const x of bills) {
+        switch (x) {
             case 5:
                 five++;
                 break;
@@ -193,11 +192,12 @@ function lemonadeChange(bills: number[]): boolean {
                 ten++;
                 break;
             case 20:
-                if (ten !== 0) {
-                    ten -= 1;
-                    bill -= 10;
+                if (ten) {
+                    ten--;
+                    five--;
+                } else {
+                    five -= 3;
                 }
-                five -= bill / 5 - 1;
                 break;
         }
 

solution/0800-0899/0860.Lemonade Change/Solution.ts

@@ -1,8 +1,7 @@
 function lemonadeChange(bills: number[]): boolean {
-    let five = 0;
-    let ten = 0;
-    for (let bill of bills) {
-        switch (bill) {
+    let [five, ten] = [0, 0];
+    for (const x of bills) {
+        switch (x) {
             case 5:
                 five++;
                 break;
@@ -11,11 +10,12 @@ function lemonadeChange(bills: number[]): boolean {
                 ten++;
                 break;
             case 20:
-                if (ten !== 0) {
-                    ten -= 1;
-                    bill -= 10;
+                if (ten) {
+                    ten--;
+                    five--;
+                } else {
+                    five -= 3;
                 }
-                five -= bill / 5 - 1;
                 break;
         }