commit

Author: purushottamnawale

Arrays (Sum of array).cpp

@@ -0,0 +1,38 @@
+//{ Driver Code Starts
+#include <iostream>
+using namespace std;
+
+// } Driver Code Ends
+class Solution
+{
+public:
+    int getSum(int a[], int n)
+    {
+        int sum = 0;
+        for (int i = 0; i < n; i++)
+        {
+            sum += a[i];
+        }
+        return sum;
+    }
+};
+
+//{ Driver Code Starts.
+int main()
+{
+    int t;
+    cin >> t;
+    while (t--)
+    {
+        int n;
+        cin >> n;
+        int a[n];
+        for (int i = 0; i < n; i++)
+            cin >> a[i];
+        Solution ob;
+        cout << ob.getSum(a, n) << endl;
+    }
+
+    return 0;
+}
+// } Driver Code Ends

Print Linked List elements.cpp

@@ -0,0 +1,85 @@
+//{ Driver Code Starts
+#include <iostream>
+#include <cstdio>
+#include <cstdlib>
+
+using namespace std;
+
+struct Node
+{
+    int data;
+    struct Node *next;
+} *start;
+
+void insert();
+
+// } Driver Code Ends
+/*
+  Print elements of a linked list on console
+  head pointer input could be NULL as well for empty list
+  Node is defined as
+  struct Node
+  {
+     int data;
+     Node *next;
+  }
+*/
+
+class Solution
+{
+public:
+    void display(Node *head)
+    {
+        Node *temp = head;
+        while (temp != NULL)
+        {
+            cout << temp->data << " ";
+            temp = temp->next;
+        }
+    }
+};
+
+//{ Driver Code Starts.
+
+int main()
+{
+    int t;
+    cin >> t;
+    while (t--)
+    {
+        start = NULL;
+        insert();
+        Solution ob;
+        ob.display(start);
+        cout << endl;
+    }
+    return 0;
+}
+
+void insert()
+{
+    int n, value;
+    cin >> n;
+    struct Node *temp;
+    for (int i = 0; i < n; i++)
+    {
+        cin >> value;
+        if (i == 0)
+        {
+            start = (struct Node *)malloc(sizeof(struct Node));
+            start->data = value;
+            start->next = NULL;
+            temp = start;
+            continue;
+        }
+        else
+        {
+            temp->next = (struct Node *)malloc(sizeof(struct Node));
+            temp = temp->next;
+            temp->data = value;
+            temp->next = NULL;
+        }
+    }
+}
+
+// } Driver Code Ends

Sum of Array Elements.cpp

@@ -0,0 +1,40 @@
+//{ Driver Code Starts
+// Initial Template for C++
+
+#include <bits/stdc++.h>
+using namespace std;
+
+// } Driver Code Ends
+// User function Template for C++
+
+// Complete this function
+
+int sumElement(int arr[], int n)
+{
+    int sum = 0;
+    for (int i = 0; i < n; i++)
+    {
+        sum += arr[i];
+    }
+    return sum;
+}
+
+//{ Driver Code Starts.
+
+int main()
+{
+    int t;
+    cin >> t;
+    while (t--)
+    {
+        int n;
+        cin >> n;
+        int arr[n];
+        for (int i = 0; i < n; i++)
+            cin >> arr[i];
+
+        cout << sumElement(arr, n) << endl;
+    }
+    return 0;
+}
+// } Driver Code Ends