Easy

Remove Duplicates from Sorted List LeetCode Solution

Here, We see Remove Duplicates from Sorted List LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Remove Duplicates from Sorted List LeetCode Solution Problem Statement Given the head of a sorted linked list, delete all duplicates such that

Remove Duplicates from Sorted List LeetCode Solution Read More »

User Activity for the Past 30 Days II LeetCode Solution

This Leetcode problem User Activity for the Past 30 Days II LeetCode Solution is done in SQL. List of all LeetCode Solution User Activity for the Past 30 Days II LeetCode Solution Problem Statement Column Name Type user_id int session_id int activity_date date activity_type enum Table: Activity This table may have duplicate rows. The activity_type column

User Activity for the Past 30 Days II LeetCode Solution Read More »

Customer Placing the Largest Number of Orders LeetCode Solution

This Leetcode problem Customer Placing the Largest Number of Orders LeetCode Solution is done in SQL. List of all LeetCode Solution Customer Placing the Largest Number of Orders LeetCode Solution Problem Statement Column Name Type order_number int customer_number int Table: Orders order_number is the primary key (column with unique values) for this table. This table contains

Customer Placing the Largest Number of Orders LeetCode Solution Read More »

User Activity for the Past 30 Days I LeetCode Solution

This Leetcode problem User Activity for the Past 30 Days I LeetCode Solution is done in SQL. List of all LeetCode Solution User Activity for the Past 30 Days I LeetCode Solution Problem Statement Column Name Type user_id int session_id int activity_date date activity_type enum Table: Activity This table may have duplicate rows. The activity_type column

User Activity for the Past 30 Days I LeetCode Solution Read More »

Sales Analysis III LeetCode Solution

This Leetcode problem Sales Analysis III LeetCode Solution is done in SQL. List of all LeetCode Solution Sales Analysis III LeetCode Solution Problem Statement Column Name Type product_id int product_name varchar unit_price int Table: Product product_id is the primary key (column with unique values) of this table. Each row of this table indicates the name

Sales Analysis III LeetCode Solution Read More »

Project Employees II LeetCode Solution

This Leetcode problem Project Employees II LeetCode Solution is done in SQL. List of all LeetCode Solution Project Employees II LeetCode Solution Problem Statement Column Name Type project_id int employee_id int Table: Project (project_id, employee_id) is the primary key of this table. employee_id is a foreign key to Employee table. Each row of this table indicates

Project Employees II LeetCode Solution Read More »

Restore IP Addresses LeetCode Solution

Here, We see Restore IP Addresses LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches. List of all LeetCode Solution Restore IP Addresses LeetCode Solution Problem Statement A valid IP address consists of exactly four integers separated by single dots. Each integer is between

Restore IP Addresses LeetCode Solution Read More »

Employees Earning More Than Their Managers LeetCode Solution

This Leetcode problem Employees Earning More Than Their Managers LeetCode Solution is done in SQL. List of all LeetCode Solution Employees Earning More Than Their Managers LeetCode Solution Problem Statement Column Name Type id int name varchar salary int managerId int Table: Employee id is the primary key (column with unique values) for this table. Each

Employees Earning More Than Their Managers LeetCode Solution Read More »

Project Employees I LeetCode Solution

This Leetcode problem Project Employees I LeetCode Solution is done in SQL. List of all LeetCode Solution Project Employees I LeetCode Solution Problem Statement Column Name Type project_id int employee_id int Table: Project (project_id, employee_id) is the primary key of this table. employee_id is a foreign key to Employee table. Each row of this table indicates

Project Employees I LeetCode Solution Read More »

Scroll to Top