Problems
Topics
Roman numerals#7
Easy · Strings
The level of palindrome#29
Easy · Brute force · Strings
Fibonacci Numbers#73
Very easy · Dynamic programming · Strings
Orcs of the Future#185
Easy · Strings
First non-palindrome#205
Very easy · Brute force · Strings
Type printer#274
Medium · Greedy algorithms · Strings
Apocalyptic Alignment#300
Hard · Strings
Number of words#329
Easy · Strings
Champion Word#330
Medium · Strings
The Champion Sentence#331
Easy · Strings
The children's railway#332
Medium · Strings
Children's Railway - 2#333
Hard · Strings
Progress in artillery continues#346
Medium · Dynamic programming · Strings
Mysterious Note#378
Very easy · Implementation · Strings
Fault protection#379
Easy · Implementation · Strings
Number Puzzle#440
Easy · Brute force · Strings
Incorrect addition#463
Very easy · Strings · Implementation
Super palindromes#470
Very easy · Strings · Dynamic programming
Inexact string#486
Very hard · Brute force · Strings
Coding#490
Very easy · Implementation · Strings
Decomposition#493
Easy · Brute force · Strings
AEIOUY#494
Very easy · Implementation · Strings
New compiler#506
Very easy · Strings
Funny Language#526
Very hard · Brute force · Strings
Playfair Cipher#550
Medium · Implementation · Strings
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