Probleme

No mex m#11792

Dificil · Greedy algorithms · Fenwick Tree · Data Structures · Prefix Sums

DFS#11793

Foarte dificil · Constructive Algorithms · Greedy algorithms · Graphs · Math

Sprague-Grundy numbers#11794

Foarte dificil · 2-SAT · Binary Search · Segment Tree · Data Structures · Prefix Sums · Graphs

Zero xor#11795

Foarte dificil · Meet-in-the-middle · Graphs · Trees · Depth-first Search · Bitmasks · Greedy algorithms · Constructive Algorithms

x+y#11796

Ușor · Implementation

Rooks#11797

Mediu · Math · Constructive Algorithms

Kostya and Problems#11798

Foarte ușor · Implementation

Apples#11799

Dificil · Math · Combinatorics

A*B*C#11800

Mediu · Brute force · Number theory

Horned Froglet#11801

Mediu · Dynamic programming · Combinatorics

Column Chart#11802

Mediu · Math · Greedy algorithms

Fabric#11803

Foarte dificil · Dynamic programming · Prefix Sums · Stacks · Combinatorics

Special Moves#11804

Ușor · Hashing · Implementation

Sacrifice#11805

Mediu · Greedy algorithms · Sorting · Number theory

Score#11806

Dificil · Prefix Sums · Binary Search · Fenwick Tree · Sorting

And mex#11807

Dificil · Bitmasks · Bitwise Operations · Dynamic programming · Breadth-first Search

Mex Partition#11808

Foarte dificil · Dynamic programming · Combinatorics · Number theory · Prefix Sums

Boys and Girls#11810

Foarte ușor · 2-SAT

Partitioning into Three#11811

Foarte dificil · Two pointers · Prefix Sums · Greedy algorithms

Convex Array#11812

Foarte dificil · Dynamic programming · Sorting · Segment Tree · Data Structures

Simple Subsequence#11813

Foarte dificil · Segment Tree · Data Structures · Greedy algorithms · Combinatorics

Manhattan Pairing#11814

Foarte dificil · Greedy algorithms · Sorting · Constructive Algorithms

Gift for Anton#11815

Dificil · Constructive Algorithms · Math

Reversal ABC#11816

Foarte dificil · Dynamic programming · Greedy algorithms · Strings · Constructive Algorithms

Simple Task#11817

Foarte dificil · Bitwise Operations

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