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Mock Tests
Compiler
// practice ground
Problems
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Arrays
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Design
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Queues
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Trie
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Union Find
Union Find (Disjoint Set)
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#
Title
Topics
Difficulty
1051
Count Distinct Palindromic Substrings
Strings
Medium
1052
Shortest Path with Alternating Colors
Graphs
Medium
1053
K-th Ancestor of a Tree Node
Trees
Easy
1054
Maximum Score from Performing Multiplication Operations
Dynamic Programming
Hard
1055
Design an LFU Cache
Design
Hard
1056
Count Number of Ways to Reach Target with Given Steps
Recursion
Easy
1057
Minimum Cost to Connect Sticks
Heaps / Priority Queue
Easy
1058
Find the Duplicate Subtrees
Trees
Medium
1059
Number of Distinct Islands
DFS
Medium
1060
Longest Path in a Directed Acyclic Graph
Graphs
Easy
1061
Design a Snake Game
Design
Medium
1062
Count Square Submatrices with All Ones
Matrix
Medium
1063
Print Even Numbers in a Range
Conditionals
Loops
Easy
1064
Print Odd Numbers in a Range
Conditionals
Loops
Easy
1065
Sum of Numbers Divisible by 3 or 5
Conditionals
Loops
Math
Easy
1066
Count Numbers Divisible by a Given Value
Conditionals
Loops
Easy
1067
Print Multiplication Table Up to N
Loops
Easy
1068
Find All Numbers Between Two Ranges
Loops
Easy
1069
Check if a Number is Within a Range
Conditionals
Easy
1070
Count Positive and Negative Numbers in a List
Arrays
Conditionals
Easy
1071
Find the Smallest of Three Numbers
Conditionals
Math
Easy
1072
Check if a Triangle is Valid
Conditionals
Geometry
Easy
1073
Classify a Triangle by Its Sides
Conditionals
Geometry
Easy
1074
Determine Quadrant of a Point
Conditionals
Geometry
Easy
1075
Simple Traffic Light Simulator
Conditionals
Simulation
Easy
Showing 1051–1075 of 1321
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