Problems
Bacterial colony#558
Very easy · Implementation
Bicycle#559
Medium · Geometry · Math
Ray of Light#560
Medium · Graphs
Interesting equation#561
Very hard · Number theory · Math
Progress in artillery does not stop#562
Medium · Dynamic programming
Simple equation#563
Very easy · Number theory · Math
Lagrange's theorem on the sum of four squares#564
Easy · Dynamic programming
Imposing figures#565
Hard · Geometry
Spell Matrices#566
Very easy · Combinatorics
Only three handfuls!#567
Hard · Games
Average Salary#568
Very easy · Implementation
Eating Cheese#569
Hard · Graphs
The programming competition#570
Easy · Trees · Graphs
The greatest common divisor#571
Very easy · Number theory
The Lesson of Mathematics#572
Very easy · Math · Number theory
Polar ones#573
Easy · Number theory · Brute force
Buns#574
Easy · Sorting
Sequence#575
Very easy · Math · Implementation
Office#576
Very easy · Implementation · Math
Book#577
Very easy · Math
Metro cards#578
Easy · Greedy algorithms
Construction-2#579
Very hard · Geometry
Standardized Test#580
Hard · Dynamic programming
Evacuation#581
Easy · Graphs
Sequence-2#582
Easy · Math · Brute force