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Array_Questions/insertvalueinunsorted.cpp

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+/**
+ * @file insertvalueinunsorted.cpp
+ * @author your name ([email protected])
+ * @brief
+ * @version 0.1
+ * @date 2024-03-07
+ *
+ * @copyright Copyright (c) 2024
+ * Write a program in C to insert values in the array (unsorted list).
+Test Data :
+Input the size of array : 4
+Input 4 elements in the array in ascending order:
+element - 0 : 1
+element - 1 : 8
+element - 2 : 7
+element - 3 : 10
+Input the value to be inserted : 5
+Input the Position, where the value to be inserted :2
+Expected Output :
+The current list of the array :
+1 8 7 10
+After Insert the element the new list is :
+1 5 8 7 10
+ */
+
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    int n;
+    cout << "enter size of array: ";
+    cin >> n;
+    int arr[n];
+    int newarr[6];
+    cout << endl;
+    int valueToInsert;
+    cout << "Input the value to be inserted :";
+    cin >> valueToInsert;
+    cout << endl;
+    int position;
+    cout << "Input the position where you need the value to be inserted :";
+    cin >> position;
+    cout << endl;
+    cout << "Input elements in the array:" << endl;
+
+    for (int i = 0; i < n; i++)
+    {
+        cout << "Enter element " << i << " :";
+        cin >> arr[i];
+        newarr[i] = arr[i];
+        cout << endl;
+    }
+    cout << "Current list of array [ ";
+    for (auto it : arr)
+    {
+        cout << it << " ";
+    }
+    cout << "]" << endl;
+    // int temp = 0;
+    // for (int i = 0; i < n + 1; i++)
+    // {
+    //     if (i == position)
+    //     {
+    //         temp = newarr[i];
+    //         // newarr[i] = valueToInsert;
+    //         for (int j = i + 1; j < n + 1; j++)
+    //         {
+    //             newarr[j] = newarr[j - 1];
+    //         }
+    //         newarr[i] = valueToInsert;
+    //         break;
+    //     }
+    // }
+    for (int i = 0, j = 0; i < n + 1; i++, j++)
+    {
+        if (i == position)
+        {
+            newarr[i] = valueToInsert;
+            j--; // Stay at the same position for the next iteration
+        }
+        else
+        {
+            newarr[i] = arr[j];
+        }
+    }
+    cout << "After Insert the element the new list is : [ ";
+    for (auto it : newarr)
+    {
+        cout << it << " ";
+    }
+    cout << "]";
+    return 0;
+}