Create Solution.java

Author: Jerring

solution/0860.Lemonade Change/Solution.java

@@ -0,0 +1,25 @@
+class Solution {
+    public boolean lemonadeChange(int[] bills) {
+        int fives = 0, tens = 0;
+        for (int bill : bills) {
+            if (bill == 5) {
+                ++fives;
+            } else if (bill == 10) {
+                ++tens;
+                if (--fives < 0) {
+                    return false;
+                }
+            } else {
+                if (tens >= 1 && fives >= 1) {
+                    --tens;
+                    --fives;
+                } else if (fives >= 3) {
+                    fives -= 3;
+                } else {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+}