Graph Coding Problems

Explore nodes and edges algorithms

169
Total Problems
3
Easy
79
Medium
85
Hard
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Master DSA Topics - January, 2026

Practice problems across 75+ categories

Graph Coding Problems

Practice problems frequently asked at Graph 169 problems | 3 Easy | 79 Medium | 85 Hard

# Problem Difficulty Topics
76 Maximum Path Quality of a Graph Hard
ArrayBacktrackingGraph
77 Maximum Profit from Valid Topological Order in DAG Hard
ArrayDynamic ProgrammingBit Manipulation
78 Maximum Score of a Node Sequence Hard
ArrayGraphSorting
79 Maximum Star Sum of a Graph Medium
ArrayGreedyGraph
80 Maximum Sum of Edge Values in a Graph Hard
MathGreedyGraph
81 Maximum Total Importance of Roads Medium
GreedyGraphSorting
82 Maximum Weighted K-Edge Path Medium
Hash TableDynamic ProgrammingGraph
83 Maximum XOR of Two Non-Overlapping Subtrees Hard
TreeDepth-First SearchGraph
84 Min Cost to Connect All Points Medium
ArrayUnion FindGraph
85 Minimize Malware Spread Hard
ArrayHash TableDepth-First Search
86 Minimize Malware Spread II Hard
ArrayHash TableDepth-First Search
87 Minimize Maximum Value in a Grid Hard
ArrayUnion FindGraph
88 Minimize the Maximum Edge Weight of Graph Medium
Binary SearchDepth-First SearchBreadth-First Search
89 Minimize the Total Price of the Trips Hard
ArrayDynamic ProgrammingTree
90 Minimum Cost of a Path With Special Roads Medium
ArrayGraphHeap (Priority Queue)
Showing 76-90 of 169
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public class MyFirstJavaProgram { Edit & Run

   /* This is my first java program.
    * This will print 'Hello, World!' as the output
    */

   public static void main(String []args) {
      System.out.println("Hello, World!"); // prints
   }
}

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