Problems
Attack of aliens#2217
Very easy · Geometry
Coins#2218
Very easy · Math
Snow White and n gnomes#2219
Medium · Greedy algorithms · Sorting
Playing with graph#2220
Medium · Dynamic programming
About love...#2221
Hard · Geometry
Matches for children are not toys!#2222
Easy · Brute force · Implementation
Maze#2223
Easy · Graphs
Number#2224
Easy · Brute force
Beautiful numbers#2225
Medium · Implementation · Brute force
Zoo#2226
Easy · Combinatorics
Necklace of Beads#2227
Hard · Combinatorics · Number theory
Color#2228
Very easy · Number theory
The Vanishing#2231
Easy · Probabilities · Math
"At the Frying Pan" near the University#2234
Very easy · Geometry
Geodetic Practice of Students#2235
Very easy · Geometry
Let's play "Scramb"!#2236
Hard · Strings
Marinka's Treasure Box#2237
Easy · Priority Queue
Who will get the "avtomat"?#2238
Very easy · Math
Masha and the Candies#2239
Very easy · Math · Number theory
Vaska Abroad#2240
Very easy · Dynamic programming
Poppy Seed Rolls#2241
Very easy · Brute force
Family Tree#2242
Easy · Binary Search · Trees
Two collections#2243
Very easy · Data Structures
You won't catch up!#2244
Medium · Graphs · Dijkstra algorithm · Shortest paths
Super numbers#2245
Very easy · Prime factorization · Brute force