Задачи

Skyscraper#11818

Много трудно · Dynamic programming · Sorting · Combinatorics

Xor Sum#11819

Трудно · Fenwick Tree · Prefix Sums · Bitwise Operations · Sorting

Beach#11820

Много лесно · For Beginners · Math

Investments#11821

Много лесно · Implementation

Sensors#11822

Трудно · Constructive Algorithms · Number theory · Math

Triples#11823

Лесно · Math · Number theory

Substrings#11824

Средно · Prefix Sums · Hashing · Combinatorics

Towers#11825

Трудно · Binary Search · Sorting · Greedy algorithms · Two pointers · Data Structures

Islands#11826

Трудно · Graphs · Depth-first Search · Greedy algorithms · Data Structures

Watermelons#11828

Трудно · Prefix Sums · Sorting

Anagram groups#11829

Лесно · Strings · Implementation · Sorting

Epic Coloring#11836

Средно · Math · Combinatorics · Number theory

XORSUM#11837

Трудно · Bitwise Operations · Math · Number theory

333 Permutation#11838

Трудно · Constructive Algorithms · Number theory · Greedy algorithms

Constructive Fun#11839

Трудно · Constructive Algorithms · Dynamic programming · Knapsack · Math

Tree Sum is Fun II#11840

Много трудно · Dynamic programming · Number theory · Combinatorics · Bitmasks · Trees · Math

Good Dish#11841

Средно · Greedy algorithms · Math

Super-rocky Terrain#11842

Лесно · Sorting · Greedy algorithms · Constructive Algorithms

Catch me if you can#11843

Трудно · Constructive Algorithms · Math

Kvantocryptarithm#11844

Трудно · Number theory · Combinatorics

Countdown#11845

Средно · Math · Number theory · Combinatorics

Chronicles of the Archivist R2-A2#11846

Средно · Dynamic programming · Strings · Math

Wall of Mordor --- Mission Impossible#11847

Трудно · Sorting · Data Structures · Prefix Sums

The Great Chambers of the Pyramid of Cheops#11848

Средно · Breadth-first Search · Bitmasks

Unique ID#11853

Лесно · Hashing

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