Задаци

Depth Search#4000

Лако · Depth-first Search

Area of the room#4001

Лако · Depth-first Search

Cheating away!#4002

Врло лако · Graphs · Depth-first Search

Sum of Left Leaves#4003

Лако · Trees · Depth-first Search

Is there a cycle?#4004

Врло лако · Graphs · Depth-first Search

The Game of Drunkard#4005

Средње · Implementation

Delivery of kefir#4006

Врло лако · Shortest paths

Numbers#4007

Врло лако · Breadth-first Search

Bird tree#4009

Средње · Math · Trees · Number theory

Movie collection#4010

Врло лако · Data Structures · Prefix Sums

Piece it together#4011

Врло лако · Graphs

Please, go first#4012

Врло лако · Greedy algorithms

Pool construction#4013

Тешко · Graph network flows · Graphs

Smoking gun#4014

Тешко · Shortest paths · Graphs · Sorting · Constructive Algorithms

Tichu#4015

Тешко · Brute force · Combinatorics · Greedy algorithms

Tracking RFIDs#4016

Средње · Geometry · Sorting · Data Structures · Binary Search

Train delays#4017

Средње · Graphs · Dynamic programming · Shortest paths

Turtle#4018

Врло лако · Dynamic programming

Turtle restoring#4019

Средње · Dynamic programming

Cult-orcs on the stairs#4020

Врло лако · Dynamic programming

Knight move#4021

Средње · Dynamic programming

Admiral#4022

Лако · Graphs · Graph network flows

Group Pressure#4023

Лако · Probabilities

Cycling#4024

Врло тешко · Greedy algorithms · Dynamic programming

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