Probleme

Depth Search#4000

Ușor · Depth-first Search

Area of the room#4001

Ușor · Depth-first Search

Cheating away!#4002

Foarte ușor · Graphs · Depth-first Search

Sum of Left Leaves#4003

Ușor · Trees · Depth-first Search

Is there a cycle?#4004

Foarte ușor · Graphs · Depth-first Search

The Game of Drunkard#4005

Mediu · Implementation

Delivery of kefir#4006

Foarte ușor · Shortest paths

Numbers#4007

Foarte ușor · Breadth-first Search

Bird tree#4009

Mediu · Math · Trees · Number theory

Movie collection#4010

Foarte ușor · Data Structures · Prefix Sums

Piece it together#4011

Foarte ușor · Graphs

Please, go first#4012

Foarte ușor · Greedy algorithms

Pool construction#4013

Dificil · Graph network flows · Graphs

Smoking gun#4014

Dificil · Shortest paths · Graphs · Sorting · Constructive Algorithms

Tichu#4015

Dificil · Brute force · Combinatorics · Greedy algorithms

Tracking RFIDs#4016

Mediu · Geometry · Sorting · Data Structures · Binary Search

Train delays#4017

Mediu · Graphs · Dynamic programming · Shortest paths

Turtle#4018

Foarte ușor · Dynamic programming

Turtle restoring#4019

Mediu · Dynamic programming

Cult-orcs on the stairs#4020

Foarte ușor · Dynamic programming

Knight move#4021

Mediu · Dynamic programming

Admiral#4022

Ușor · Graphs · Graph network flows

Group Pressure#4023

Ușor · Probabilities

Cycling#4024

Foarte dificil · Greedy algorithms · Dynamic programming

3701-3725 din 9226