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Top 20 Problems on Dynamic programming

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All Problems

# Status Problem Level Completes Likes
106

Given an array, Print sum of all subsets

Beginner % 1
107

Determine the given routing number belong to which bank

Medium % 0
108

Check if interval is covered in given coordinates

Medium % 0
109

Lexicographically previous permutation With One swap

Medium % 1
110

Find all unique combinations of exact K numbers (from 1 to 9 ) with sum to N

Medium % 0
111

Hamming Distance between two given integers

Beginner % 1
113

Depth-First Search (DFS) in 2D Matrix/2D-Array - Iterative Solution

Beginner % 0
114

Breadth-First Search (BFS) in 2D Matrix/2D-Array

Beginner % 1
115

Check the completeness of given binary tree | Set 1 - Using Node Count

Medium % 0
116

Longest substring with at most K unique characters

Medium % 2
117

Find all the Armstrong numbers in the given range

Beginner % 0
118

Collatz Conjecture - Maximum Steps takes to transform (1, N) to 1.

Medium % 0
119

Number of Islands using BFS

Medium % 0
120

Check if Graph is Bipartite - Adjacency List using Depth-First Search(DFS)

Hard % 0
121

Check if the given binary tree is Full or not.

Beginner % 1
122

Check if given undirected graph is connected or not

Beginner % 0
123

Given Graph - Remove a vertex and all edges connect to the vertex

Medium % 0
125

Sort a given stack - Using Recursion

Hard % 1
126

Number's Complement - 2 Approaches

Medium % 1
128

Social Network Problem

Hard % 0
129

Maximum number edges to make Acyclic Undirected/Directed Graph

Beginner % 0
130

Evaluation of Prefix Expressions (Polish Notation) | Set 2

Medium % 0
131

Hamming Distance between two given strings

Beginner % 0
132

Breadth-First Search in Disconnected Graph

Medium % 0
133

ZigZag OR Diagonal traversal in 2d array/Matrix using queue

Medium % 0
134

Check if Number is divisible by its digits

Beginner % 0
135

Check if the given number is Armstrong number or not

Beginner % 0
136

Evaluation of Prefix Expressions (Polish Notation) | Set 1

Medium % 0
137

Minimum Boats Required to rescue people

Medium % 0
138

Number of Islands

Medium % 1
139

Minimum No of operations required to convert a given number to 1 - Integer Replacement Problem.

Medium % 0
140

Evaluation of Postfix Expressions (Polish Postfix notation) | Set 2

Medium % 0

Given an array, Print sum of all subsets

Determine the given routing number belong to which bank

Check if interval is covered in given coordinates

Lexicographically previous permutation With One swap

Find all unique combinations of exact K numbers (from 1 to 9 ) with sum to N

Hamming Distance between two given integers

Depth-First Search (DFS) in 2D Matrix/2D-Array - Iterative Solution

Breadth-First Search (BFS) in 2D Matrix/2D-Array

Check the completeness of given binary tree | Set 1 - Using Node Count

Longest substring with at most K unique characters

Find all the Armstrong numbers in the given range

Collatz Conjecture - Maximum Steps takes to transform (1, N) to 1.

Number of Islands using BFS

Check if Graph is Bipartite - Adjacency List using Depth-First Search(DFS)

Check if the given binary tree is Full or not.

Check if given undirected graph is connected or not

Given Graph - Remove a vertex and all edges connect to the vertex

Sort a given stack - Using Recursion

Number's Complement - 2 Approaches

Social Network Problem

Maximum number edges to make Acyclic Undirected/Directed Graph

Evaluation of Prefix Expressions (Polish Notation) | Set 2

Hamming Distance between two given strings

Breadth-First Search in Disconnected Graph

ZigZag OR Diagonal traversal in 2d array/Matrix using queue

Check if Number is divisible by its digits

Check if the given number is Armstrong number or not

Evaluation of Prefix Expressions (Polish Notation) | Set 1

Minimum Boats Required to rescue people

Number of Islands

Minimum No of operations required to convert a given number to 1 - Integer Replacement Problem.

Evaluation of Postfix Expressions (Polish Postfix notation) | Set 2