Toolliyo Practice

Problems explorer

Browse by topic · auto-judge · company sheets · roadmaps — not just a problem dump.

157 problems in this topic

# Title Topics Acceptance Pts Difficulty
51 Merge k Sorted Lists — 40 Hard Solve
52 Add Two Numbers — 30 Medium Solve
53 Copy List with Random Pointer — 30 Medium Solve
54 LRU Cache — 30 Medium Solve
55 Remove Nth Node From End of List — 30 Medium Solve
56 Add Two Numbers — 30 Medium Solve
57 Merge Two Sorted Lists — 20 Easy Solve
58 Merge Two Sorted Lists — 20 Easy Solve
59 Reorder List — 30 Medium Solve
60 Reorder List — 30 Medium Solve
61 Reverse Nodes in k-Group — 40 Hard Solve
62 LRU Cache — 30 Medium Solve
63 LRU Cache — 30 Medium Solve
64 Merge k Sorted Lists — 40 Hard Solve
65 Merge k Sorted Lists — 40 Hard Solve
66 Reverse Linked List — 20 Easy Solve
67 Copy List with Random Pointer — 30 Medium Solve
68 Find the Duplicate Number — 30 Medium Solve
69 Linked List Cycle — 20 Easy Solve
70 Merge Two Sorted Lists — 20 Easy Solve
71 Remove Nth Node From End of List — 30 Medium Solve
72 Add Two Numbers — 30 Medium Solve
73 Copy List with Random Pointer — 30 Medium Solve
74 LRU Cache — 30 Medium Solve
75 Reorder List — 30 Medium Solve
76 Reverse Linked List — 20 Easy Solve
77 Reverse Nodes in k-Group — 40 Hard Solve
78 Copy List with Random Pointer — 30 Medium Solve
79 Find the Duplicate Number — 30 Medium Solve
80 Merge k Sorted Lists — 40 Hard Solve
81 Add Two Numbers — 30 Medium Solve
82 Copy List with Random Pointer — 30 Medium Solve
83 Merge Two Sorted Lists — 20 Easy Solve
84 Reorder List — 30 Medium Solve
85 Reorder List — 30 Medium Solve
86 LRU Cache — 30 Medium Solve
87 Merge Two Sorted Lists — 20 Easy Solve
88 Merge k Sorted Lists — 40 Hard Solve
89 Merge k Sorted Lists — 40 Hard Solve
90 Reorder List — 30 Medium Solve
91 Reverse Linked List — 20 Easy Solve
92 Find the Duplicate Number — 30 Medium Solve
93 LRU Cache — 30 Medium Solve
94 Merge k Sorted Lists — 40 Hard Solve
95 Reorder List — 30 Medium Solve
96 Reverse Linked List — 20 Easy Solve
97 Add Two Numbers — 30 Medium Solve
98 Find the Duplicate Number — 30 Medium Solve
99 Merge k Sorted Lists — 40 Hard Solve
100 Reorder List — 30 Medium Solve
Toolliyo Assistant
Ask about tutorials, ebooks, training, pricing, mentor services, and support. I use public site content only—not admin or internal tools.

care@toolliyo.com

Need callback? Share your details