Задачи
City Festival#637
Много лесно · Math · Dynamic programming
Indivisibility of binomial coefficients#638
Лесно · Number theory · Math
Irrational pairwise distances#639
Лесно · Constructive Algorithms
Minimax matching#640
Лесно · Graphs · Greedy algorithms
Number of quadratic residues#641
Лесно · Number theory · Math
Two snails#642
Трудно · Graphs
Triangular Room#643
Лесно · Combinatorics · Math
S-Grundy game#644
Средно · Dynamic programming
Get equal#645
Трудно · Greedy algorithms
Jumps on strip#646
Трудно · Math · Brute force
Product of coprimes#647
Трудно · Number theory
Divisibility of binomial coefficients#648
Лесно · Number theory
Factorial and fourth degree#649
Трудно · Number theory · Math
Sum of two squares#650
Трудно · Number theory
Storytelling Festival#651
Трудно · Greedy algorithms · Implementation
Pairwise different distances#652
Средно · Implementation · Brute force
The triangle#653
Много лесно · Geometry
Carrot Dreams#654
Много лесно · Geometry
The segments#655
Лесно · Geometry
Multiplication Game#656
Лесно · Games · Number theory · Dynamic programming
Playing with coins#657
Лесно · Games · Dynamic programming
Game strike out#658
Лесно · Games
Tree Games#659
Много лесно · Games · Trees · Graphs
Warehouse Storage Optimization#660
Много лесно · Games · Number theory
Details#661
Много лесно · Implementation