diff --git a/problem1.cpp b/problem1.cpp
new file mode 100644
index 00000000..ba70248e
--- /dev/null
+++ b/problem1.cpp
@@ -0,0 +1,23 @@
+class Solution {
+public:
+    bool searchMatrix(vector<vector<int>>& matrix, int target) {
+        int m=matrix.size();
+        int n=matrix[0].size();
+        int low=0, high=m*n-1;
+        while(low<=high)
+        {
+            int mid=low+(high-low)/2;
+            int row=mid/n;
+            int col=mid%n;
+            if(target==matrix[row][col])
+                return true;
+            else if(target>matrix[row][col])
+                low=mid+1;
+            else
+                high=mid-1;
+        }
+         return false;
+       
+    }
+};
+
diff --git a/problem2.cpp b/problem2.cpp
new file mode 100644
index 00000000..422698fb
--- /dev/null
+++ b/problem2.cpp
@@ -0,0 +1,32 @@
+class Solution {
+public:
+    int search(vector<int>& nums, int target) {
+        int n=nums.size();
+        int low=0, high=n-1;
+
+        while(low<=high)
+        {
+            int mid=low+(high-low)/2;
+            
+            if(target==nums[mid])
+                return mid;
+            if(nums[low]<=nums[mid])
+            {
+                if(target>=nums[low] and target<=nums[mid])
+                    high=mid-1;
+                else 
+                    low=mid+1;
+            }
+            else
+            {
+                if(target>=nums[mid] and target<=nums[high])
+                    low=mid+1;
+                else
+                    high=mid-1;
+            }
+                
+        }
+        return -1;
+    }
+};
+