Choose a topic
Start with sorting, searching, graphs, trees, strings, scheduling, or linked lists.
Choose a DSA topic, watch every state change, then practice the trace until the algorithm logic feels clear.
01 / LEARNING TOPICS
Learn how Bubble, Insertion, Selection, Quick, and Merge Sort reorder values step by step.
Learn this topic → 02Practice BFS, DFS, and A* by watching paths, visited nodes, and frontier updates.
Learn this topic → 03Trace comparisons, shifts, queues, and paths until each decision is visible.
Learn this topic → 04Build BST and AVL trees through insertion, traversal, depth changes, and rotations.
Learn this topic → 05See subproblems, cached states, table cells, and repeated work as visible structure.
Learn this topic → 06Follow call flow, comparisons, mismatches, prefix tables, and return steps.
Learn this topic →02 / VISUAL LEARNING
AlgoSpace turns DSA topics into observable practice: pointers move, queues update, arrays reorder, memory frames fill, and each step explains the algorithmic idea.
03 / INTERACTIVE PRACTICE
Paste linked-list logic, choose a starting state, and generate a visual execution timeline. Nodes, links, variables, and explanations update one step at a time.
def skipNode(head):
# Level 1: The Missing Link
# Goal: node1 should point to node3.
head.next = head.next.next
return head
# Starting states:
# standard: node1 → node2 → node3 → node4
# empty: null
# single: node1 → null
# cycle: node1 → node2 → node3 → node2
Line 1 Start with the standard AlgoSpace linked list: node1 points to node2.
04 / LEARNING METHOD
Start with sorting, searching, graphs, trees, strings, scheduling, or linked lists.
Watch values, pointers, queues, frames, and graph paths update step by step.
Explain each move, repeat the run, and improve problem-solving intuition.
05 / STUDY USE
Show the exact state change while explaining why the next pointer, frame, or queue moves.
Practice core structures with visible transitions instead of memorizing isolated answers.
Trace one operation at a time, catch where the model breaks, then replay until the logic is clear.
Move from code to state to explanation without switching between separate tools.
06 / LEARNING SCOPE
Practice sorting, search, trees, graphs, recursion, dynamic programming, strings, and linked lists.
Watch values, pointers, queues, call frames, table cells, and graph paths update step by step.
Change inputs, choose starting states, run the trace, and explain each algorithm move.
Pair every visible state change with a short explanation of what changed and why.
Build algorithm intuition for class, interviews, self-study, and stronger problem solving.