Problems
Records and Cycles#7321
Easy · Combinatorics
Rock-Paper-Scissors on a Plane#7322
Easy · Graphs · Dynamic programming
Set Operations#7323
Medium · Implementation
Permugame#7324
Easy · Graphs · Sorting
Pluses and asterisks – 2#7325
Medium · Dynamic programming · Two pointers · Prefix Sums
Sleeping cars#7326
Very easy · Implementation
Numbairs#7327
Very easy · Math
Memory Manager#7328
Medium · Implementation · Prefix Sums
Construction#7329
Very easy · Binary Search
Divisibility by 3#7330
Very easy · Math
Number Set#7331
Easy · Math · Divide and Conquer
Counting-Out#7332
Medium · Data Structures · Dynamic programming · Binary Search
Fence#7333
Very easy · Geometry
Dossiers#7334
Medium · Sorting
Saucepans and lids#7335
Medium · Binary Search
Pies#7336
Very easy · For Beginners
Discounts#7337
Very easy · For Beginners
Constant sum of digits#7338
Very easy · For Beginners
Sequence#7339
Very easy · Binary Search · Math
Field of Wonders#7340
Very easy · For Beginners
Number of rectangles#7341
Easy · Math · Combinatorics
Photo for the website#7342
Medium · Implementation
Unknown digit#7343
Very easy · Dynamic programming
The maximum number#7358
Medium · Math
Cross-out Game#7359
Hard · Games · Dynamic programming · Greedy algorithms