Create 860. Lemonade Change

Author: Chayandas07

860. Lemonade Change

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+class Solution {
+public:
+    bool lemonadeChange(vector<int>& bills) {
+        int five=0;
+        int ten=0;
+        for(int i=0;i<bills.size();i++){
+            if(bills[i]==5){five++;}
+            else if(bills[i]==10){
+                if(five==0)return false;
+                five--;
+                ten++;
+            }else{
+                if(ten>0 && five>0){
+                    ten--;
+                    five--;
+                }else if(five>=3){
+                    five-=3;
+                }else{
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+};