Added the code to output small elements in an array using c++ (#5248)

Co-authored-by: Harsh Raj <54644599+harshraj8843@users.noreply.github.com>

program/program/find-the-smallest-three-elements-in-an-array/FindTheSmallestThreeElementsInAnArray.cpp

@@ -0,0 +1,25 @@
+#include <iostream>
+#include <algorithm>
+using namespace std;
+
+void findSmallestThree(int arr[],int size){
+
+
+sort(arr,arr + size);
+
+for (int i = 0; i < min(size, 3); ++i) {
+    cout << arr[i] << " ";
+}
+}
+
+int main(){
+
+int arr[]= { 10, 4, 3, 50, 23, 90};//example used
+int size = sizeof(arr) / sizeof(arr[0]);
+findSmallestThree(arr, size);
+
+return 0;
+
+
+
+}