Create Staircase_search.cpp

Staircase_search.cpp

@@ -0,0 +1,41 @@
+#include <iostream>
+using namespace std;
+int staircaseSearch(int arr[][100], int n, int key)
+{
+    int i = 0;
+    int j = n - 1;
+    while (i <= n && j >= 0)
+    {
+        if (arr[i][j] == key)
+        {
+            cout << "Number found at (" << i+1 << "," << j+1 << ")\n";
+            return 1;
+        }
+        else if (arr[i][j] < key)
+        {
+            i++;
+        }
+        else
+        {
+            j--;
+        }
+    }
+    cout << "Number not found\n";
+}
+int main()
+{
+    int n;
+    cin >> n;
+    int arr[100][100] = {0};
+    for (int i = 0; i < n; i++)
+    {
+        for (int j = 0; j < n; j++)
+        {
+            cin >> arr[i][j];
+        }
+    }
+    int key;
+    cin >> key;
+    staircaseSearch(arr, n, key);
+    return 0;
+}