Задачи
The sum#2307
Лесно · Segment Tree
Stars#2308
Много лесно · Data Structures · Prefix Sums
Windows#2309
Лесно · Sorting · Implementation
And again the sum...#2310
Много лесно · Data Structures
Matrix#2311
Много трудно · Greedy algorithms
Height of the Tree#2312
Лесно · Trees
Number of elements#2313
Много лесно · Trees · Graphs
Second Maximum#2314
Много лесно · Trees
Permutations (Easy)#2315
Много лесно · Brute force
Print leaves#2316
Много лесно · Trees
LCA offline (Easy)#2317
Лесно · Trees
LCA Problem Revisited (Easy)#2318
Много лесно · Graphs · Data Structures
Rectangles Online (Easy)#2319
Лесно · Brute force
Refrain (Easy)#2320
Средно · Brute force · Prefix Sums
Sorting#2321
Много лесно · Sorting
Columns#2322
Лесно · Implementation
Numbers from digits#2323
Много лесно · Implementation
Scatter#2324
Много лесно · Sorting
Two numbers#2325
Лесно · Sorting
Socks#2326
Много лесно · Prefix Sums
Counting sort#2327
Много лесно · Sorting
Degree numbers#2328
Лесно · Brute force · Math
Bell#2329
Много лесно · Sorting
Strip 2#2330
Средно · Implementation
Balance of parentheses#2331
Много лесно · Brute force · Strings