Задачи

Fifteen Puzzle#3669

Много трудно · Graphs

Polygon Game#3670

Много трудно · Games

Checking for a Subsequence#3671

Много трудно · Strings

Divisors of 2#3672

Лесно · Number theory · Math · Prime factorization

Obtuse Angle Decomposition#3673

Трудно · Constructive Algorithms · Math

Accordion#3674

Лесно · Brute force

Chain#3675

Много трудно · Combinatorics · Number theory · Math

Matrix#3677

Трудно · Binary Search

Mandatory vertices#3678

Много трудно · Graphs

Permutation logarithm#3679

Трудно · Brute force

Tree Isomorphism#3680

Лесно · Graphs · Depth-first Search

Filling the matrix in a spiral#3681

Много лесно · Implementation

Fire in the Country#3682

Много лесно · Games

Triangle and Circle#3683

Много трудно · Geometry

Report 1#3684

Много трудно · Binary Search · Combinatorics · Number theory

Report 3#3685

Много трудно · Number theory · Math

How many are good?#3686

Средно · Dynamic programming · Combinatorics

Proto P#3687

Много лесно · Math

Simple coincidence#3688

Трудно · Dynamic programming · Number theory · Combinatorics · Math

Snake#3689

Много трудно · Dynamic programming

Fingers#3690

Лесно · Graphs · Games

Simple Monotony#3691

Много лесно · Graphs · Greedy algorithms

Reverse Averaging#3692

Много трудно · Implementation

Determinant#3693

Трудно · Matrix

Exercise#3694

Лесно · Math

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