Solutions Submitted By Ishan Srivastava

Submission/Ishan Srivastava/Best Time To Buy and Sell Stock/Solution.java

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+class Solution {
+    public int maxProfit(int[] prices) {
+        int maxProfit = 0;
+        int bestBuy = prices[0];
+        for(int i=1;i<prices.length;i++)
+        {
+            if(prices[i]>bestBuy)
+                maxProfit = Math.max(maxProfit,prices[i]-bestBuy);
+            bestBuy = Math.min(bestBuy,prices[i]);
+        }
+        return maxProfit;
+    }
+}

Submission/Ishan Srivastava/Plus One/Solution.java

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+class Solution {
+    public int[] plusOne(int[] digits) {
+        int carry = 0;
+        int res[] = new int[digits.length];
+        digits[digits.length-1] = digits[digits.length-1]+1;
+        for(int i=digits.length-1;i>-1;i--)
+        {
+            int val = digits[i]+carry;
+            if(val>9)
+            {
+                val = val%10;
+                carry = 1;
+            }
+            else
+                carry = 0;
+            res[i] = val;
+        }
+        if(carry!=0)
+        {
+            int res1[] = new int[res.length+1];
+            for(int i=res.length-1;i>-1;i--)
+            {
+                res1[i] = res[i];
+            }
+            res1[0] = carry;
+            return res1;
+        }
+        return res;
+    }
+}