// practice ground

Problems

# 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