Create 121. Best Time to Buy and Sell Stock

Author: ravisksingh1999

121. Best Time to Buy and Sell Stock

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+class Solution {
+public:
+    int maxProfit(vector<int>& prices) {
+        int j=prices.size()-1;
+        int i=0;
+        int profit=0;
+       int min=prices[i];
+       int max=0;
+       for(int i=1;i<=j;i++){
+              if(min>prices[i]){
+              min=prices[i];
+              max=0;
+              }
+              else if(max<prices[i])
+              max=prices[i];
+
+                if((max-min)>profit)
+              profit=max-min;
+          }
+          return profit;
+       }