समस्याएँ

Паліндром#11018

बहुत आसान · Brute force

Взаємно різні остачі#11019

बहुत आसान · Math

Оптимальні підпослідовності#11020

बहुत कठिन · Dynamic programming · Prefix Sums

International Olympiad#11021

बहुत आसान · Implementation

Пін-код#11022

बहुत आसान · Brute force

Круті числа#11023

आसान · Math

Порядок#11025

बहुत आसान · Implementation

Середнє#11026

मध्यम · Prefix Sums · Binary Search

Great fight#11030

कठिन · Data Structures · Fenwick Tree · Segment Tree · Greedy algorithms

Mysterious ritual#11031

मध्यम · Number theory · Strings

Painting#11032

कठिन · Segment Tree · Range queries · Prefix Sums

Lumberjack villages#11033

बहुत कठिन · Dynamic programming · Trees · Depth-first Search · Greedy algorithms · Data Structures

Table of results#11034

बहुत आसान · Implementation

Ralph and arithmetic#11035

मध्यम · Implementation

Bit automaton#11036

आसान · Brute force · Bitwise Operations

Coins#11037

मध्यम · Math · Number theory

Delivery#11038

बहुत आसान · Brute force

Drone destruction#11039

बहुत आसान · Sorting

Candy in the maze#11040

आसान · Graphs · Binary Search

Passwords#11041

आसान · Strings · Prefix Function

Marriage#11053

कठिन · Greedy algorithms · Sorting · Data Structures · Constructive Algorithms

Random tree#11054

बहुत कठिन · Trees · Combinatorics · Math · Dynamic programming

Game with a tree#11055

बहुत कठिन · String suffix structures · Hashing · Data Structures · Trees · Strings

Festive Sugar Modulus Calculations#11056

कठिन · Constructive Algorithms · Bitwise Operations

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