diff --git a/submissions/Dhriti/Arrays Question 1/Screenshot 2025-07-05 091623.png b/submissions/Dhriti/Arrays Question 1/Screenshot 2025-07-05 091623.png
new file mode 100644
index 0000000..94693dd
Binary files /dev/null and b/submissions/Dhriti/Arrays Question 1/Screenshot 2025-07-05 091623.png differ
diff --git a/submissions/Dhriti/Arrays Question 1/solution1.cpp b/submissions/Dhriti/Arrays Question 1/solution1.cpp
new file mode 100644
index 0000000..8ba078b
--- /dev/null
+++ b/submissions/Dhriti/Arrays Question 1/solution1.cpp	
@@ -0,0 +1,14 @@
+class Solution {
+public:
+    vector<int> twoSum(vector<int>& nums, int target) {
+        unordered_map<int, int> m;
+        for (int i = 0;; ++i) {
+            int x = nums[i];
+            int y = target - x;
+            if (m.count(y)) {
+                return {m[y], i};
+            }
+            m[x] = i;
+        }
+    }
+};
\ No newline at end of file
diff --git a/submissions/Dhriti/Arrays Question 2/Screenshot 2025-07-05 091955.png b/submissions/Dhriti/Arrays Question 2/Screenshot 2025-07-05 091955.png
new file mode 100644
index 0000000..795cea7
Binary files /dev/null and b/submissions/Dhriti/Arrays Question 2/Screenshot 2025-07-05 091955.png differ
diff --git a/submissions/Dhriti/Arrays Question 2/solution2.cpp b/submissions/Dhriti/Arrays Question 2/solution2.cpp
new file mode 100644
index 0000000..fc38e94
--- /dev/null
+++ b/submissions/Dhriti/Arrays Question 2/solution2.cpp	
@@ -0,0 +1,20 @@
+class Solution {
+public:
+    int maxProfit(vector<int>& prices) {
+        int minPrice = INT_MAX;
+        int maxProfit = 0;
+
+        for (int price : prices) {
+           
+            if (price < minPrice) {
+                minPrice = price;
+            }
+           
+            else if (price - minPrice > maxProfit) {
+                maxProfit = price - minPrice;
+            }
+        }
+
+        return maxProfit;
+    }
+};
diff --git a/~$Leetcode DSA sheet by Fraz  1.xlsx b/~$Leetcode DSA sheet by Fraz  1.xlsx
new file mode 100644
index 0000000..f6a2e22
Binary files /dev/null and b/~$Leetcode DSA sheet by Fraz  1.xlsx differ