Toolliyo Practice

Problems explorer

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

204 problems in this topic

# Title Topics Acceptance Pts Difficulty
51 Valid Parentheses — 20 Easy Solve
52 Evaluate Reverse Polish Notation — 30 Medium Solve
53 Valid Parentheses — 20 Easy Solve
54 Car Fleet — 30 Medium Solve
55 Evaluate Reverse Polish Notation — 30 Medium Solve
56 Valid Parentheses — 20 Easy Solve
57 Car Fleet — 30 Medium Solve
58 Evaluate Reverse Polish Notation — 30 Medium Solve
59 Largest Rectangle in Histogram — 40 Hard Solve
60 Min Stack — 30 Medium Solve
61 Car Fleet — 30 Medium Solve
62 Daily Temperatures — 30 Medium Solve
63 Largest Rectangle in Histogram — 40 Hard Solve
64 Valid Parentheses — 20 Easy Solve
65 Daily Temperatures — 30 Medium Solve
66 Generate Parentheses — 30 Medium Solve
67 Largest Rectangle in Histogram — 40 Hard Solve
68 Largest Rectangle in Histogram — 40 Hard Solve
69 Min Stack — 30 Medium Solve
70 Car Fleet — 30 Medium Solve
71 Evaluate Reverse Polish Notation — 30 Medium Solve
72 Generate Parentheses — 30 Medium Solve
73 Car Fleet — 30 Medium Solve
74 Generate Parentheses — 30 Medium Solve
75 Generate Parentheses — 30 Medium Solve
76 Generate Parentheses — 30 Medium Solve
77 Largest Rectangle in Histogram — 40 Hard Solve
78 Daily Temperatures — 30 Medium Solve
79 Evaluate Reverse Polish Notation — 30 Medium Solve
80 Min Stack — 30 Medium Solve
81 Car Fleet — 30 Medium Solve
82 Evaluate Reverse Polish Notation — 30 Medium Solve
83 Generate Parentheses — 30 Medium Solve
84 Generate Parentheses — 30 Medium Solve
85 Largest Rectangle in Histogram — 40 Hard Solve
86 Daily Temperatures — 30 Medium Solve
87 Generate Parentheses — 30 Medium Solve
88 Largest Rectangle in Histogram — 40 Hard Solve
89 Car Fleet — 30 Medium Solve
90 Car Fleet — 30 Medium Solve
91 Evaluate Reverse Polish Notation — 30 Medium Solve
92 Generate Parentheses — 30 Medium Solve
93 Largest Rectangle in Histogram — 40 Hard Solve
94 Min Stack — 30 Medium Solve
95 Evaluate Reverse Polish Notation — 30 Medium Solve
96 Generate Parentheses — 30 Medium Solve
97 Largest Rectangle in Histogram — 40 Hard Solve
98 Min Stack — 30 Medium Solve
99 Largest Rectangle in Histogram — 40 Hard Solve
100 Sum of array elements — 20 Easy 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