Problems
Even-Odd Task#4179
Very easy · Sorting
Program Template#4180
Very easy · Implementation
Olympiad#4192
Medium · Greedy algorithms · Math
Fir Trees#4193
Easy · Math · Brute force
Series of numbers#4194
Medium · Math
Dominoes#4195
Medium · Dynamic programming
Chocolate bars#4196
Easy · Math
Film Festival#4197
Easy · Greedy algorithms
CD Recording#4198
Medium · Dynamic programming
Number of nails#4199
Hard · Implementation
Adding Sequences#4200
Easy · Dynamic programming
Parallelogram#4201
Very easy · Geometry
Organization of Transportation#4202
Very easy · Graphs
Box of chocolate#4203
Medium · Brute force
The Millionaire's Will#4204
Easy · Brute force
Pilot Monitor#4205
Very hard · Geometry · Math · Number theory · Two pointers
Painters#4206
Easy · Sorting · Prefix Sums · Implementation
Bulls and cows#4207
Hard · Brute force · Implementation
Powers of two#4208
Easy · Math · Binary Search
Triangular Papyrus#4209
Medium · Geometry
Broken Scales#4210
Easy · Brute force · Sorting
Gas stations#4211
Very easy · Sorting · Greedy algorithms · Binary Search
Names#4217
Very easy · Greedy algorithms · Strings
AAAAHH! Overbooked!#4220
Very easy · Sorting
Betting Sets#4221
Hard · Dynamic programming