Problems
Topics
Minimum in the Stack#693
Very easy · Stacks
Sereja and Array#853
Very easy · Stacks
The postfix record#1586
Easy · Stacks · Implementation
Selling Land#2455
Hard · Stacks · Dynamic programming · Greedy algorithms · Sorting
Cleaning the Dishes#2589
Easy · Stacks
Magic Parenthesis#3013
Medium · Stacks
Convex Hull (Queries)#3042
Hard · Convex Hull · Queries · Geometry · Stacks
XML#3135
Medium · Stacks · Strings
Expressions#3837
Hard · Trees · Depth-first Search · Stacks · Expression parsing · Constructive Algorithms
Tram#4033
Very easy · Stacks
Minimum in the stack#4259
Very easy · Stacks
Stack Maze#4295
Very hard · Dynamic programming · Graphs · Stacks · Depth-first Search
Verification of Valid Bracket Sequence#4433
Very easy · Stacks
Cipher#4434
Very easy · Stacks
Sorting of Railcars - B#4513
Medium · Stacks · Greedy algorithms
Reverse Polish notation#5060
Very easy · Stacks
Implement a stack#5087
Very easy · Stacks
Monobilliards#5137
Very easy · Stacks
Solitaire#6015
Medium · Greedy algorithms · Stacks
Simple Stack#6122
Very easy · Stacks
Stack with error protection#6123
Very easy · Stacks
Even Up Solitaire#6208
Easy · Stacks · Greedy algorithms
Longest Valid Parentheses#7314
Easy · Stacks
Find the sum#8546
Easy · Stacks
Tower#8564
Very easy · Stacks
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