diff --git a/C++/Program-2/Readme.md b/C++/Program-2/Readme.md
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+Program 2:
+
+Write a Program to find the number of occurrence of X element present in sorted array.
+Variable description-->
+n = size of array/ number of element 
+x = Element to be counted in array
+count = veriable to count the X-number in array
diff --git a/C++/Program-2/number_of_occurrence.cpp b/C++/Program-2/number_of_occurrence.cpp
new file mode 100644
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+++ b/C++/Program-2/number_of_occurrence.cpp
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+#include<bits/stdc++.h>
+
+using namespace std;
+
+class Solution{
+public:
+
+/*
+ if x is present in arr[] then returns the count
+ of occurrences of x, otherwise returns 0. 
+*/
+
+int count(int arr[], int n, int x) {
+
+	int count = 0;
+	for(int i=0;i<n;i++){
+	if(arr[i] == x){
+	count++;
+}
+}
+return count;
+}
+};
+
+
+
+int main() {
+     
+        int n, x;
+        cout<<"Enter the size of an Array: ";
+        cin >> n ;
+        cout<<"Enter a number to be counted: ";
+        cin>>x;
+        int arr[n];
+        for (int i = 0; i < n; i++) {
+            cin >> arr[i];
+        }
+        Solution ob;
+        auto ans = ob.count(arr, n, x);
+        cout<< "number "<<x<<" counted in array for " << ans <<" times."<< "\n";
+    return 0;
+}
diff --git a/C++/Program-3/Readme.md b/C++/Program-3/Readme.md
new file mode 100644
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+++ b/C++/Program-3/Readme.md
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+Program to Swap the Kth Elements of a series.
+variable description -->
+n = number of elements/size
+k = Kth element for swaping
diff --git a/C++/Program-3/swap_kth_Element.cpp b/C++/Program-3/swap_kth_Element.cpp
new file mode 100644
index 00000000..d0573268
--- /dev/null
+++ b/C++/Program-3/swap_kth_Element.cpp
@@ -0,0 +1,45 @@
+#include<iostream>
+
+using namespace std ;
+
+void takeInput(int a[], int n){
+    for(int i=1;i<=n;i++){
+        cin>>a[i];
+    }
+}
+
+void swap_k(int a[], int n, int k){
+
+    int i , count = n ;
+    for(i=1 ; i<=n ,  count >= 1 ; i++ , count--){
+   
+        if(k == i || k == count){
+            swap(a[k],a[count]);
+        }
+   
+    }
+   
+    for(i=1;i<=n;i++){
+        cout<<a[i]<<" " ;
+    }
+}
+
+int main()
+{
+    
+    int n;
+    cout<<"Enter size of an Array:";
+    cin>>n ;
+    
+    int k; 
+    cout<<"Enter Kth element to swap:";
+    cin>>k ;
+    
+    int a[1000];
+    takeInput(a,n);
+
+    swap_k(a,n,k);
+    cout<<"\n";
+    
+    return 0;
+}