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