Problems
Sequence Formatting#2484
Easy · Implementation
Two piles#2485
Easy · Dynamic programming
Two instructions#2486
Easy · Implementation
Jealous Queen#2487
Very hard · Graphs
Sums in threes#2488
Easy · Dynamic programming · Math · Greedy algorithms
Divisors problem#2489
Very hard · Math · Number theory
Factorial, Powers and Abelian Groups#2490
Easy · Number theory
Day of Abundance#2491
Hard · Brute force · Math
Testing Ground#2492
Medium · Geometry
Walking Robot#2493
Medium · Prefix Sums
Report 2#2494
Hard · Math · Combinatorics · Number theory
Competition#2495
Medium · Math · Dynamic programming
String concatenation#2496
Easy · Strings
Tariffs#2497
Easy · Implementation
K-sorting#2498
Very easy · Sorting
Rails#2499
Medium · Geometry
Guess the number#2500
Easy · Brute force
Pie chart#2501
Very easy · Math
Dessert Preparation#2502
Easy · Brute force
Restoration of the string#2503
Hard · Strings
Kill the pig#2504
Very easy · Brute force · Geometry
Tea Party#2505
Very easy · Graphs
Universal socket#2506
Very easy · Geometry
Border#2507
Very easy · Implementation
International Passport#2508
Easy · Greedy algorithms