Probleme
Simple problem#1
Foarte ușor · Math
Digits#2
Foarte ușor · For Beginners
Match’s model#3
Mediu · Geometry
Two circles#4
Ușor · Geometry · For Beginners
Two factors#5
Mediu · Number theory · Prime factorization · Combinatorics
The Vouchers#6
Dificil · Dynamic programming · Brute force
Roman numerals#7
Ușor · Strings
Matches#8
Ușor · For Beginners
N-digit numbers#9
Foarte ușor · Brute force
Gardener#10
Ușor · Greedy algorithms · Math
Big accuracy#11
Ușor · Number theory
Damaged Picture#12
Ușor · Geometry
Spider and Fly#13
Ușor · Geometry
The Ticket Chase#14
Foarte ușor · Prime factorization · Brute force
Mouse and corns#15
Mediu · Dynamic programming
Dragon#16
Mediu · Implementation · Math
Gardener-painter#17
Ușor · Combinatorics · Dynamic programming
Paint2D#18
Mediu · Dynamic programming
Degree of symmetry#19
Foarte ușor · Implementation
How many times to repeat?#20
Ușor · Implementation
Corruption#21
Ușor · Sorting · Greedy algorithms
"Mirror prime" numbers#22
Ușor · Brute force
New-year tree#23
Mediu · Combinatorics · Math
Paint2D-Crack#24
Dificil · Dynamic programming · Combinatorics · Greedy algorithms
Paint3D#25
Ușor · Dynamic programming
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