Problems
A Jaw-dropping Problem#7388
Very easy · Strings
This Too Shall Pass#7389
Easy · Geometry
Chocolate#7390
Medium · Games · Greedy algorithms
Circle#7391
Very easy · Implementation
Permutation#7392
Very hard · Greedy algorithms · String suffix structures
New Game#7400
Easy · Brute force · Math
Stepan's Friends#7401
Very easy · Math
Favorite game#7402
Very easy · Sorting
Turn on the lamp#7403
Easy · Graphs
Polygon#7404
Medium · Geometry
Ice Cream#7405
Easy · Brute force
Prime Numbers of the Kingdom of Erudite#7406
Easy · Math
Sum of prime numbers#7407
Medium · Math · Brute force
New Year's Toys#7408
Easy · Number theory · Math
Division#7409
Hard · Math · Divide and Conquer
Route taxi#7410
Very easy · Implementation
Equation for the 5-th class!#7411
Very easy · Implementation
Crossword#7412
Very easy · Implementation
Sum on a tree reversed#7413
Easy · Graphs
A Simple Task#7414
Medium · Implementation
White hats#7415
Easy · Greedy algorithms
Lucky Primes#7427
Easy · Implementation
Long Arithmetic#7429
Medium · Implementation
A Pot of Honey#7430
Easy · Implementation · Math
Time to break the stairs#7431
Easy · Dynamic programming