Representation problems

7 Representation DSA practice problems on CampusCode, each with statement, examples and constraints.

• 969. Build Adjacency List from Edge List Easy Graphs
• 970. Build Adjacency Matrix from Edge List Easy Graphs
• 971. Convert Adjacency Matrix to List Easy Graphs
• 972. Check if Edge Exists in Graph Easy Graphs
• 973. Count Degree of Each Vertex Easy Graphs
• 987. Find All Neighbours of a Node Easy Graphs
• 988. Count Isolated Nodes in a Graph Easy Graphs