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Wenqi Jiang

Data Science Student / Former Data Engineer / Powerlifter

Education

Universidad Politécnica de Madrid

Work

Ontology Engineering Group (UPM)

[Grind 75] 57. Insert Interval

[Grind 75] 57. Insert Interval

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2 min read
Minimum Light Radius

Minimum Light Radius

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30. Substring with Concatenation of All Words

30. Substring with Concatenation of All Words

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Maximum Non-Adjacent Tree Sum

Maximum Non-Adjacent Tree Sum

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705. Design HashSet

705. Design HashSet

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778. Swim in Rising Water

778. Swim in Rising Water

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Movie Theaters

Movie Theaters

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410. Split Array Largest Sum

410. Split Array Largest Sum

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378. Kth Smallest Element in a Sorted Matrix

378. Kth Smallest Element in a Sorted Matrix

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Peak Heights 🦖

Peak Heights 🦖

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116. Populating Next Right Pointers in Each Node

116. Populating Next Right Pointers in Each Node

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Tree Pruning

Tree Pruning

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856. Score of Parentheses

856. Score of Parentheses

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Longest Strictly Increasing Then Decreasing Sublist

Longest Strictly Increasing Then Decreasing Sublist

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962. Maximum Width Ramp

962. Maximum Width Ramp

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456. 132 Pattern

456. 132 Pattern

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Reverse Linked List Groups

Reverse Linked List Groups

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138. Copy List with Random Pointer

138. Copy List with Random Pointer

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82. Remove Duplicates from Sorted List II

82. Remove Duplicates from Sorted List II

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740. Delete and Earn

740. Delete and Earn

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863. All Nodes Distance K in Binary Tree

863. All Nodes Distance K in Binary Tree

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1288. Remove Covered Intervals

1288. Remove Covered Intervals

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567. Permutation in String

567. Permutation in String

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127. Word Ladder

127. Word Ladder

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Group Points

Group Points

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Most Frequent Number in Intervals

Most Frequent Number in Intervals

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684. Redundant Connection

684. Redundant Connection

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Merge Sort Template

Merge Sort Template

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Use Siri Shortcut to Create Notion Pages

Use Siri Shortcut to Create Notion Pages

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Labyrinthian Possibilities

Labyrinthian Possibilities

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106. Construct Binary Tree from Inorder and Postorder Traversal

106. Construct Binary Tree from Inorder and Postorder Traversal

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1305. All Elements in Two Binary Search Trees

1305. All Elements in Two Binary Search Trees

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Equal Partitions

Equal Partitions

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Bounded Square Sums

Bounded Square Sums

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Interval Overlaps

Interval Overlaps

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Sort by Permutation

Sort by Permutation

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290. Word Pattern

290. Word Pattern

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1345. Jump Game IV

1345. Jump Game IV

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List Partitioning

List Partitioning

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148. Sort List

148. Sort List

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Valid N Queens

Valid N Queens

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Binary Search Templates Final Version

Binary Search Templates Final Version

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Eat Bananas in K Hours

Eat Bananas in K Hours

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Lowest Sum of Pair Larger than Target

Lowest Sum of Pair Larger than Target

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81. Search in Rotated Sorted Array II

81. Search in Rotated Sorted Array II

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1041. Robot Bounded In Circle

1041. Robot Bounded In Circle

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1463. Cherry Pickup II

1463. Cherry Pickup II

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Collecting Coins

Collecting Coins

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215. Kth Largest Element in an Array

215. Kth Largest Element in an Array

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331. Verify Preorder Serialization of a Binary Tree

331. Verify Preorder Serialization of a Binary Tree

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316. Remove Duplicate Letters

316. Remove Duplicate Letters

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235. Lowest Common Ancestor of a Binary Search Tree

235. Lowest Common Ancestor of a Binary Search Tree

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Matrix Spiral Copy

Matrix Spiral Copy

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Smallest Substring of All Characters

Smallest Substring of All Characters

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227. Basic Calculator II

227. Basic Calculator II

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114. Flatten Binary Tree to Linked List

114. Flatten Binary Tree to Linked List

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54. Spiral Matrix

54. Spiral Matrix

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Space Battle

Space Battle

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621. Task Scheduler

621. Task Scheduler

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Word Concatenation

Word Concatenation

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