LeetCode Solution

Maximal Rectangle LeetCode Solution

Here, We see Maximal Rectangle 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 Maximal Rectangle LeetCode Solution Problem Statement Given a rows x cols binary matrix filled with 0‘s and 1‘s, find the largest rectangle containing only 1‘s and […]

Maximal Rectangle LeetCode Solution Read More »

Immediate Food Delivery I LeetCode Solution

This Leetcode problem Immediate Food Delivery I LeetCode Solution is done in SQL. List of all LeetCode Solution Immediate Food Delivery I LeetCode Solution Problem Statement Column Name Type delivery_id int customer_id int order_date date customer_pref_delivery_date date Table: Delivery delivery_id is the primary key of this table.The table holds information about food delivery to customers

Immediate Food Delivery I LeetCode Solution Read More »

Friend Requests I Overall Acceptance Rate LeetCode Solution

This Leetcode problem Friend Requests I Overall Acceptance Rate LeetCode Solution is done in SQL. List of all LeetCode Solution Friend Requests I Overall Acceptance Rate LeetCode Solution Problem Statement In social network like Facebook or Twitter, people send friend requests and accept others’ requests as well. Now given two tables as below: sender_id send_to_id

Friend Requests I Overall Acceptance Rate LeetCode Solution Read More »

Immediate Food Delivery II LeetCode Solution

This Leetcode problem Immediate Food Delivery II LeetCode Solution is done in SQL. List of all LeetCode Solution Immediate Food Delivery II LeetCode Solution Problem Statement Column Name Type delivery_id int customer_id int order_date date customer_pref_delivery_date date Table: Delivery delivery_id is the primary key of this table.The table holds information about food delivery to customers

Immediate Food Delivery II LeetCode Solution Read More »

Classes More Than 5 Students LeetCode Solution

This Leetcode problem Classes More Than 5 Students LeetCode Solution is done in SQL. List of all LeetCode Solution Classes More Than 5 Students LeetCode Solution Problem Statement Column Name Type student varchar class varchar Table: Courses (student, class) is the primary key (combination of columns with unique values) for this table. Each row of this

Classes More Than 5 Students LeetCode Solution Read More »

Product Price at a Given Date LeetCode Solution

This Leetcode problem Product Price at a Given Date LeetCode Solution is done in SQL. List of all LeetCode Solution Product Price at a Given Date LeetCode Solution Problem Statement Column Name Type product_id int new_price int change_date date Table: Products (product_id, change_date) is the primary key (combination of columns with unique values) of this table.

Product Price at a Given Date LeetCode Solution Read More »

Active Businesses LeetCode Solution

This Leetcode problem Active Businesses LeetCode Solution is done in SQL. List of all LeetCode Solution Active Businesses LeetCode Solution Problem Statement Column Name Type business_id int event_type varchar occurences int Table: Events (business_id, event_type) is the primary key of this table.Each row in the table logs the info that an event of some type

Active Businesses LeetCode Solution Read More »

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 »

Scroll to Top