المسائل

Interesting places#11531

صعب · Geometry · Convex Hull · Strings · Number theory · Sorting

Awkward situation#11532

متوسط · Dynamic programming · Strings · Greedy algorithms

Keech, Poch and the barn#11533

صعب جدًا · Dynamic programming · Matrix · Dynamic Programming Optimization

I'll never leave you#11534

متوسط · Number theory · Prime factorization

Presents#11535

متوسط · Math · Number theory · Hashing · Probabilities

Conveyer#11536

صعب جدًا · Data Structures · Trees

Investigation#11537

صعب · Constructive Algorithms

Arithmetic progression#11538

صعب جدًا · Math · Number theory

Name generator#11539

متوسط · Strings

Story#11540

صعب جدًا · Combinatorics · Convex Hull · Geometry · Dynamic programming

Contest preparation#11541

متوسط · Dynamic programming · Knapsack · Combinatorics

Game of Thrones#11542

متوسط · Prefix Sums · Bitwise Operations · Brute force

Competitive Programmers#11543

صعب جدًا · Dynamic programming · Dynamic Programming Optimization · Sorting · Greedy algorithms

Boring tree queries#11544

صعب جدًا · Trees · Binary Search · Prefix Sums · SQRT Decomposition · Data Structures · Depth-first Search

Another easy string problem#11545

صعب جدًا · Suffix Array · Sparse Table · Data Structures · Binary Search · Strings

From XOR with love#11546

صعب جدًا · Trees · Data Structures · Bitwise Operations · Divide and Conquer · Range queries · Prefix Sums

Hard choice#11547

صعب · Geometry · Scanline / Sweep Line · Greedy algorithms

Determinant of boolean matrix#11548

صعب جدًا · Matrix · Dynamic programming · Number theory · Bitmasks

Trapping Rain Water#11549

سهل · Two pointers · Greedy algorithms

x1+...+xk = n#11550

سهل · Combinatorics · Math

x1+...+xk = n (2)#11551

متوسط · Combinatorics · Dynamic programming

Arrangement#11552

متوسط · Combinatorics · Number theory · Prefix Sums

Binary Deque#11553

سهل · Two pointers · Prefix Sums

Catch the Plane#11554

صعب جدًا · Dynamic programming · Graphs · Sorting · Shortest paths · Probabilities

Comma Sprinkler#11555

صعب · Graphs · Breadth-first Search · Strings

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