Create BestTimeToBuyAndSellStock.java

Author: sudoshivesh

easy/BestTimeToBuyAndSellStock.java

@@ -0,0 +1,14 @@
+//121. Best Time Buy and Sell Stock
+class Solution {
+  public int maxProfit(int[] prices) {
+    int sellOne = 0;
+    int holdOne = Integer.MIN_VALUE;
+
+    for (final int price : prices) {
+      sellOne = Math.max(sellOne, holdOne + price);
+      holdOne = Math.max(holdOne, -price);
+    }
+
+    return sellOne;
+  }
+}