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Golf
Description:
The members of the Competitive Programming Association of
Iceland decided to partake in a Code Golf contest. They thought
this would be a contest of who can code the shortest solution
to competitive programming problems, but unfortunately this was
not the case! This was a golfing cont... | 27,900 |
Golf Bot
Description:
Do you like golf? I hate it. I hate golf so much that I
decided to build the ultimate golf robot, a robot that will
never miss a shot. I simply place it over the ball, choose the
right direction and distance and, flawlessly, it will strike
the ball across the air and into the hole... | 27,901 |
Golomb Rulers
Description:
A ‘Golomb ruler’ is a set of unique positive integers
(called ‘marks’) which can be used to measure distances by
using the difference between pairs of marks. Golomb rulers are
useful in designing radio antennae and in cryptography. It’s
helpful to think of the marks as being ... | 27,902 |
Gondolas
Description:
The most adventurous part of skiing is the journey onto the
mountain-top, between trees and through clouds, and past all
sorts of enchanting views.
Naturally, the skiers at the foot of the lift can hardly
wait to take their turns (although they are a little
disappointed that the ... | 27,903 |
Good Coalition
Description:
The Dutch political system is in turmoil. There have been
six coalition governments in the past fourteen years, all of
which have fallen before completing their term in office.
Recently there have been elections (again), the outcome of
which has been described as “impossible... | 27,904 |
Good Messages
Description:
Boris works at a secret communication station for the
government training new employees on how to encode messages.
Messages at this station are encoded with a rotation (“Caesar”)
cipher that replaces each letter with one at a set offset in
the alphabet, e.g., for offset $2$ a... | 27,905 |
Good Morning!
Description:
Good morning! This is your 5am wake-up call! A partly
cloudy day is expected with light rain coming
afternoon…
You have just woken up. You desperately need coffee… and…
more coffee… and some cereal. And your clothes. And coffee.
To prepare warm cereal, you put some milk into a ... | 27,906 |
Goofy Geometry
Description:
Latkas Coolacek doesn’t really like doing his mathematics
homework, he prefers partying with his algorithm buddies and
finding shortest paths in the city. Unfortunately, his teachers
aren’t as happy with Latkas ignoring school. Thus, they have
given him the worst assignment ... | 27,907 |
Goomba Stacks
Description:
While exploring a cave, Mario finds that the entrance behind
has been closed, leaving him no escape except going forward.
Luckily, he has Cappy to help him escape. In front of Mario are
a series of $N$ rooms,
which he must traverse in order. In the $i$-th room, Mario will fin... | 27,908 |
Gopher II
Description:
The gopher family, having averted the canine threat, must
face a new predator.
The are $n$ gophers and
$m$ gopher holes, each at
distinct $(x, y)$
coordinates. A hawk arrives and if a gopher does not reach a
hole in $s$ seconds it is
vulnerable to being eaten. A hole can... | 27,909 |
Gopher Residence
Description:
The Edmonton gopher population has expanded rapidly over the
past few years. To accommodate this increased number of
gophers, the city has built a vast gopher residence under the
legislature building. The residence consists of $N$ rooms, the $i$th either has a unique room
... | 27,910 |
Gorillas
Description:
Do you remember playing the video game Gorillas? It was
originally released in 1991 by IBM corporation as demonstration
of what you can do with the QBasic programming language. The
game caught like wildfire among programmers who owned an MS-DOS
computer of those days, and as they ... | 27,911 |
Gotta Catch Em All!
Description:
The Kanto region has $N$ junctions and $N - 1$ bidirectional roads. Junctions
are numbered from $1$ to
$N$, inclusive. All roads
have the same length and each of them connects two different
junctions.
At any moment, a Pokenom can appear in any of these
junctions.
... | 27,912 |
Gotta Nudge 'Em All
Description:
Nudgémon GO is a game in which players should earn as much
experience points (XP) as possible, by
catching and evolving Nudgémon. You gain 100 XP for catching a
Nudgémon and 500 XP for evolving a Nudgémon. Your friend has
been playing this game a lot recently, but you b... | 27,913 |
Government Help
Description:
Two major banks in our country are knee-deep in troubles. We
will call them “Bank A” and “Bank B” – hopefully you understand
we absolutely cannot tell you their real names. It might ruin
them.
As a logical consequence of their troubles, government comes
to rescue them, pre... | 27,914 |
Grab a Graph
Description:
Bash and Chikapu are strongly addicted to…graphs. They enjoy
playing with graphs so much that they skip meals quite often.
Today, they are going to a supermarket. But instead of grabbing
some snack, they grab some graphs.
Bash only likes weighted undirected graph with small numbe... | 27,915 |
Grade Curving
Description:
For example, if the curving function is applied $k = 3$ times to $x = 80$, it changes the score
to
So the curved score is $y =
\lceil 97.2492 \rceil = 98$.
John wants to curve a student’s score $x$ using this method so that the
curved score $y$ is
between $y_{low}$ and
... | 27,916 |
Grading
Description:
Per works at the KTH Royal Institute of Technology, and thus
grades a lot of exams each day.
The grading process is rather simple. First, you define five
grading limits $a$,
$b$, $c$, $d$ and $e$. At least $a \% $ of the exam score is required
to get an A grade, at least $b \%
... | 27,917 |
Grading on a Curve
Description:
Professor Peggert is famous for his exams with low average /
median scores and no extra credit. Despite this, his students’
final grades (usually) turn out okay, as he boosts everyone’s
score by grading on a curve. Professor Peggert determines final
grades by choosing a ... | 27,918 |
Graduation
Description:
The school administration has encountered a problem with the
upcoming school graduation, a problem which they hope you can
help them resolve. During the graduation ceremony, students
will stand in $N$ rows
with $M$ students in each
row. The administration wants the graduatio... | 27,919 |
Graduation Guarantee
Description:
Gustav is studying to become an interpreter. In this line of
work, knowing several languages is a must, and Gustav is
already fluent in French, Mandarin, Nahuatl and even Finnish.
But there is one language that Gustav struggles with:
Norwegian. Before Gustav can gradua... | 27,920 |
Graduation Table
Description:
You have been asked to organize the computing science
graduation banquet. There are $n$ people attending the banquet, and
they must all be seated around a large circular table. As it
turns out, some pairs of attendees are friends and wish to sit
next to each other. Thankfu... | 27,921 |
Grand Opening
Description:
You are the proud owner of the new Multispecies Animal
Protection Sanctuary (MAPS). As you arrive on the morning of
the grand opening, you realize with horror that some of the
animals are in the wrong enclosures. You will deal with the
overnight zookeeper later, but right now... | 27,922 |
Grandpa Bernie
Description:
Over the years, Grandpa Bernie has traveled all over the
world. He doesn’t travel that much anymore, but he loves to
tell his grandchildren stories from all these trips. He’ll tell
them the story from when he went to Israel for the first time,
or when he went to Greece for t... | 27,923 |
Granica
Description:
Luka started driving international routes with his truck.
His biggest problem is the border with Slovenia. The border is
a point of entrance into the European Union, so every truck is
thoroughly examined. Because of this, Luka always has to wait
several hours there. To kill the tim... | 27,924 |
Graphic Madness
Description:
In Byteland, there are two leading video card manufacturers:
Bitotronics and 3D-Bytes. Their top-of-the-line cards are quite
similar. Each of them consists of many nodes,
connected with wires transferring the signal that is being
processed. The products contain two kinds of... | 27,925 |
Grass Seed Inc.
Description:
Many years ago after another unfruitful day in Cubicle Land,
banging her head against yet another cutting edge, marketing
buzzword-filled JavaScript framework, Janice the engineer
looked out of the window and decided that time was ripe for a
change.
So swapping her keyboar... | 27,926 |
Gravamen
Description:
“Next to the confrontation between two
highly honed batteries of lawyers, jungle warfare is a stately
minuet.” –Bill Veeck.
Frivolous lawsuit or legitimate litigation? That is the
question the judge Kattis faces today as she presides over
lawsuits between individuals and corpora... | 27,927 |
Gravity
Description:
Gravity pulls all things down. If you want to keep an apple
from falling, you have to set it on something else or stick it
to something else. Of course, it helps if the thing you stick
your apple to isn’t falling itself.
For this problem, you are going to simulate the effects of
g... | 27,928 |
Gravity Grid
Description:
Alice and Bob are playing a generalized version of
Connect Four. In their game, the board consists of
$w$ columns of height
$h$ and the goal is to be
the first player to complete a row of $k$ tiles of equal colour, either
vertically, horizontally or diagonally. The two pla... | 27,929 |
Grazed Grains
Description:
This year, there have been unusually many UFO sightings
reported. Nobody knows if they are caused by optical illusions,
weather phenomena, or secret technology being tested by foreign
powers (terrestrial or not). UFO enthusiasts across the world
rejoice, and speculations run ... | 27,930 |
Great Circle
Description:
Airplanes fly close to the Great Circle Route between two
cities. The Great Circle Route is the shortest arc concentric
with the earth that joins the two cities; that is, the shortest
distance between the two cities following the surface of the
earth.
Given the latitude and l... | 27,931 |
Great Expectations
Description:
A speedrun is a playthrough of a game with the
intention to complete it as quickly as possible. When
speedrunning, you usually follow a pre-planned path through the
game. Along this path, there may be some places where you have
to pull off a difficult technique, or trick... | 27,932 |
Great Fireball
Description:
In a land far away, lost to time, a lone village fights to
defend itself against hordes of invading orcs. There are
$N$ orcs scattered
throughout the land. The $i$-th orc is at position $(x_ i, y_ i)$ on the Cartesian
plane.
The heroic village is at position $(0, 0)$. Fortu... | 27,933 |
Great GDP
Description:
In your beloved homeland Treetopia, there is exactly one way
of travelling between any pair of cites. In the loathful
Cyclostan, on the other hand, there are exactly two
ways of travelling between every pair of cities.
A delegation from Cyclostan is coming to visit Treetopia,
an... | 27,934 |
Great Geek Game-show 3000!
Description:
The rules of the game are the following: There is a stage
with $N$ boxes, each
containing the name of one of the $N$ contestants, and such that each
contestant has their name in exactly one box. The contestants
enter the stage one at a time, and each one is allow... | 27,935 |
Greatest Pair
Description:
You are given a tree with $n$ vertices. Each edge has a
weight, and each vertex has a label. We denote the label of vertex
$i$ as $label(i)$.
A simple path from vertex $s$ to vertex $t$ is defined as an ordered sequence
of vertices $v_0 \rightarrow v_1
\rightarrow v_2 \right... | 27,936 |
Greatest Permutation
Description:
A permutation with $n$
elements is a rearrangement of the first $n$ positive integers. For example, if
$n = 3$, there are
$6$ permutations:
$(1, 2, 3)$, $(1, 3, 2)$, $(2, 1, 3)$, $(2, 3, 1)$, $(3, 1, 2)$ and $(3, 2, 1)$. A great permutation is a permutation with
$n... | 27,937 |
Greedily Increasing Subsequence
Description:
Given a permutation $A = (a_1,
a_2, \dots , a_ N)$ of the integers $1, 2, \dots , N$, we define the
greedily increasing subsequence (GIS) in the following
way.
Let $g_1 = a_1$. For
every $i > 1$, let
$g_ i$ be the leftmost
integer in $A$ that is
... | 27,938 |
Greedy Cows
Description:
To split the pasture, he will select a number of points on
the surrounding fence, and set up yet more fences between all
pairs of selected points, except the points that lie on the
same side of the surrounding fence. These new fences may cross.
Now, this will create a number of... | 27,939 |
Greedy Increasing Subsequences
Description:
Jimmy’s homework is to find a long increasing subsequence of
a given sequence $a_1, a_2,
\ldots , a_ n$. But the sequence is really long! Jimmy
doesn’t know how to do this effectively.
So Jimmy takes a greedy approach. He begins by picking the
first number i... | 27,940 |
Greedy Polygons
Description:
People are rarely content with what they have — they
always seem to want more. Sometimes this is just healthy
ambition, but at other times it is clearly motivated by shallow
materialism, or worse. Perhaps we could accept this as an
unavoidable aspect of human nature, but th... | 27,941 |
Greedy Polygons Revisited
Description:
MAPS 2020 included a problem named “Greedy Polygons”
that described a dystopian world in which the greed that often
characterizes human nature had spread to regular polygons,
causing these normally well-behaved shapes to exhibit
expansionistic tendencies. Now, as ... | 27,942 |
Green Eggs and Ham
Description:
From the top of his tower of turtles, King Yertle sees the
moon rising. As everyone knows, the moon is made of green
cheese and the best cheese in the world is produced in France.
France has also produced many great mathematicians including
Descartes, Laplace and Fermat.... | 27,943 |
Green Light
Description:
Sarah is cycling to work. On her way there, she encounters
the same traffic light every day. Before she reaches the
lights, she alternates between using social media on her mobile
device and glancing at the traffic lights, observing if they
are green, yellow or red at that time... | 27,944 |
Greener Tuborg
Description:
To secure future investment capital, your brewery has
decided to improve their Environmental, Social, and Governance
(ESG) score by signalling allegiance to the UN Global Goals for
Sustainable Development. You have been made Sustainability
Commissar.
The first thing you wil... | 27,945 |
Greeting Card
Description:
Quido plans to send a New Year greeting to his friend Hugo.
He has recently acquired access to an advanced high-precision
plotter and he is planning to print the greeting card on the
plotter.
Here’s how the plotter operates. In step one, the plotter
plots an intricate patter... | 27,946 |
Greetings!
Description:
Your greeting card company makes unique greeting cards. The
sizes of these greeting cards vary widely because of the whims
of card designers. There are a lot of different types of cards,
and each has a specific quantity that you need to
manufacture.
Your job is to determine wha... | 27,947 |
Greetings!
Description:
Now that Snapchat and Slingshot are soooo 2018, the
teenagers of the world have all switched to the new hot app
called BAPC (Bidirectional and Private Communication). This app
has some stricter social rules than previous iterations. For
example, if someone says goodbye using Lat... | 27,948 |
Gregory the Grasshopper
Description:
Gregory is a grasshopper. His favourite food are clover
leafs—he can simply never have enough of them. Whenever he
spots such a leaf, he wants to eat it as quickly as possible.
Gregory is also lazy, so he wants to move to the leaf with
minimal effort. Your task is t... | 27,949 |
Grid
Description:
You are on an $n \times
m$ grid where each square on the grid has a digit on it.
From a given square that has digit $k$ on it, a Move consists of jumping
exactly $k$ squares in one
of the four cardinal directions. A move cannot go beyond the
edges of the grid; it does not wrap. Wh... | 27,950 |
Grid Game
Description:
Given a $N \times N$
grid of integers, we can choose a combination of $N$ numbers where no two in the same
row and no two in the same column. We aim to find a combination
of $N$ numbers whose
minimum is maximized.
## Input
The first line of input consists of an integer $N$, whe... | 27,951 |
Grid Guardian
Description:
Alice has an $n\! \times \!
m$ grid and a $2\! \times
\! 2$ block. She would like to place her block in the
grid. She must place it so that the block is axis-aligned and
covers exactly $4$ grid
cells.
Bob wants to prevent Alice from doing that. To do this, he
places ... | 27,952 |
Grid MST
Description:
This is a very simple problem. You are given $N$ points. Some points may be
repeated. The weight (distance) between two points is given by
the Manhattan distance between the two points. Find the weight
of a Minimum Spanning Tree that spans these $N$ points.
## Input
The input consis... | 27,953 |
Grid Magic
Description:
Brandon Greg Jr. the number theorist and combinatorist is
working on prime numbers in grids. An $n$ by $m$ grid of digits ($0$ to $9$) is called a superprime
grid if every non-empty prefix of every row and column
(including the full rows and columns) are primes when
concatenated... | 27,954 |
Grid Speed
Description:
Consider a grid in which north-south streets, separated by
gaps of $10$ miles each
(the grid unit size), are elevated above east-west streets laid
out in a similar fashion (see illustration for the case of a
$6$ by $6$ grid). All streets are two-way.
Entrance and exit ramps ... | 27,955 |
Grid Volleyball
Description:
Grid Volleyball is played with two players in each team
(like beach volleyball) but the players can only hit the ball
when standing on a grid point. When a player is to hit the
ball, they must be “close enough” to where the ball is supposed
to land, move there, and then hit... | 27,956 |
Groups of Strangers
Description:
A software company resulting from several recent mergers
consists of a handful of offices in different cities. At each
office there is a HR manager who knows everyone working at that
office. Additionally, there are of course a lot of persons in
the workforce that know e... | 27,957 |
Groupthink
Description:
One of the most fundamental structures in abstract algebra
is called a magma. A magma is a pair $(M,\bullet )$, where $M$ is a nonempty set and $\bullet $ is a binary operation on
$M$. This means that
$\bullet $ maps each
ordered pair of elements $(x,y)$ in $M$ to an element in ... | 27,958 |
Growing Rectangular Spiral
Description:
A growing rectangular spiral is a connected sequence of
straight-line segments starting at the origin. The first
segment goes right (positive $x$ direction). The next segment goes
up (positive $y$
direction). The next segment goes left (negative $x$ direction). T... | 27,959 |
Growing Some Oobleck
Description:
Oobleck is a fascinating magical substance — leave it in
sunlight and it grows in an ever-expanding circle. If two
circles ever manage to touch each other, both circles magically
merge into one combined circle with area equal to the total of
the combined areas of both ... | 27,960 |
Growing Up is Hard to Do
Description:
Apple Bloom, Sweetie Belle and Scootaloo were magically
transformed into adults, and while they’re a little concerned,
they’re also really excited. They’ll finally be able to do all
the fun grown-up things they’ve always wanted to do: stay up
late, eat all the snac... | 27,961 |
Growling Gears
Description:
The Best Acceleration Production Company
specializes in multi-gear engines. The performance of an engine
in a certain gear, measured in the amount of torque produced,
is not constant: the amount of torque depends on the RPM of the
engine. This relationship can be described u... | 27,962 |
Gruesome Cave
Description:
The archaeologist Joanina Iones has been hard at work
deciphering the arcane glyphs in front of a secret cave
entrance. The glyphs tell the story of the cave: It has existed
long before the beginning of time, and with it, a single grue
was brought to life. It has, of course, ... | 27,963 |
Guaranteed Victory
Description:
Curtis is challenging Porco Rosso to a duel again. Curtis
has a new plan: this time, he is going to make the perfect
airplane. He has devised a list of $R$ blueprints. Blueprints indicate
the resources required to create a unique resultant airplane
part. These airplane p... | 27,964 |
Guard Evaders
Description:
More formally: Given a row of $g$ guards labeled $1$ through $g$ from left to right, each player
chooses to run through the gap between guards $i$ and $i+1$ (for some $1 \leq i \leq g-1$). A player cannot
run to the left of the first guard or to the right of the last.
If either g... | 27,965 |
Guardian of Decency
Description:
Frank N. Stein is a very conservative high-school teacher.
He wants to take some of his students on an excursion, but he
is afraid that some of them might become couples. While you can
never exclude this possibility, he has made some rules that he
thinks indicates a low... | 27,966 |
Guardians of the Gallery
Description:
Your local art gallery is about to host an exciting new
exhibition of sculptures by world-renowned artists, and the
gallery expects to attract thousands of visitors.
Unfortunately, the exhibition might also attract the wrong kind
of visitors, namely burglars who in... | 27,967 |
Guess Who
Description:
Guess Who is a two-player board game in which a number of
characters are uniquely identified by a set of attributes (e.g.
wearing glasses), and each player attempts to guess the other
player’s hidden character by asking a number of yes/no
questions such as “does the person wear g... | 27,968 |
Guess the Digits
Description:
Filip came across an interesting math problem: He was
supposed to find a five-digit number with the following
property. If you cross out its first two digits, then place the
digit $8$ after the
remaining three digits to form a four-digit number and multiply
the resulti... | 27,969 |
Guess the Number
Description:
I am thinking of a number between $1$ and $1000$, can you guess what number it
is? Given a guess, I will tell you whether the guess is too
low, too high, or correct. But I will only give you
$10$ guesses, so use them
wisely!
## Interaction
Your program should output gues... | 27,970 |
Guess the Numbers
Description:
John has never been very good at maths. Due to his bad
grades, his parents have sent him to the Academic Coalition of
Mathematics (ACM). Despite the large amount of money his
parents are spending on the ACM, John does not pay much
attention during classes. However, today ... | 27,971 |
Guessing Camels
Description:
One of the most interesting bets involves guessing the
complete order in which the camels will finish the race. This
bet offers the biggest return on your money, since it is also
the one that is the hardest to get right.
Jaap, Jan, and Thijs have already placed their bets, but... | 27,972 |
Guessing Circle
Description:
Alf and Beata were two young adults living together a long,
long time ago, before you could spend all your afternoons
competing in programming. Their lives were thus much more
boring than those of today’s young adults. How could you even
survive back then, you might ask you... | 27,973 |
Guessing Game
Description:
Stan and Ollie are playing a guessing game. Stan thinks of a
number between $1$ and
$10$ (inclusive) and Ollie
guesses what the number might be. After each guess, Stan
indicates whether Ollie’s guess is too high, too low, or right
on.
After playing several rounds, Ollie ... | 27,974 |
Guessing Game
Description:
In the old town of Lund, there is a street with $N$ houses in a row, indexed
$0$ to $N-1$. Emma lives in one of these
houses and her friends Anna and Bertil want to figure out which
one. Instead of just telling her friends where she lives, Emma
decides to play a game with the... | 27,975 |
Guessing Passwords
Description:
Ingfríður is testing her new pet project website,
Passwordle. The rules should be rather familiar for those who
have played plenty of wordle, but let us review them here. The
website picks a secret password that the user then has to
guess. The password will be $N$ charac... | 27,976 |
Guilds
Description:
The queen is becoming concerned at the increasing complexity
of guilds in her land. In particular, many small guilds are
part of larger guilds which are part of still larger guilds.
These chains of membership have gotten in the way of her
subjects’ duties, so she has decided to keep... | 27,977 |
Guillaume
Description:
Guillaume has a unique ability to forget events before a
certain point in time, only to look better in his memory.
Guillaume and Arnar play pool quite often and you have a log of
results from their matches. Guillaume only counts the last
$k$ matches such that his
win percenta... | 27,978 |
Gullpeningastaflar
Description:
In front of you there are $n$ stacks, each containing
$n$ gold coins. Only one
of these stacks contains real gold coins, the other stacks
contain counterfeit coins. The counterfeit coins are very well
made and are nearly indistinguishable from the real ones. The
only... | 27,979 |
Guma
Description:
A factory called Gumi-Gumi is dedicated to making tires.
Their carving machine is responsible for carving fillisters
into the tire. The tire has $N$ vertical fillisters which divide
the rubber into $N + 1$
vertical parts. Horizontal cuts are made on each vertical part
so that all ... | 27,980 |
Gux's sequence
Description:
Gux really likes to play with sequences. He has a big
sequence of length $n$,
indexed from $1$ to
$n$. Initially, all
elements in the big sequence are zero. Gux also has
$m$ mini-sequences that
may have different lengths. These mini sequences are numbered
from $1... | 27,981 |
Gwen's Gift
Description:
Gwen loves most numbers. In fact, she loves every number
that is not a multiple of $n$ (she really hates the number
$n$). For her friends’
birthdays this year, Gwen has decided to draw each of them a
sequence of $n-1$ flowers.
Each of the flowers will contain between $1$ an... | 27,982 |
Gym Aesthetics
Description:
The polar bear Sven is competing in the yearly international
strongbear competition held in Svalbard. The competition is
divided into different events. In the current event, the
participants will perform barbell squats with varying weights
for each squat.
The order of the r... | 27,983 |
Gym Leader's Territory
Description:
You are a gym leader, and you’d like to conquer the
territory of a certain rival gym leader. However, gym leaders
sometimes make mutual alliances with each other to become
stronger! When you challenge a gym leader, your Pokemon are
only strong enough to defeat them i... | 27,984 |
Gyrating Glyphs
Description:
You are rocking the latest breakthrough in Computer Science:
animated fonts. Suddenly, all of your colleagues’ code looks
amazing, and you are finally motivated to review it.
Unfortunately, due to the constant rotations, it is hard to
distinguish between the $+$ (plus) and ... | 27,985 |
H to O
Description:
Professor Cesium has created a new process to transform some
chemical product into another type of chemical with some
residues. The process is simple: he just needs to input a given
number of molecules of type A, enter the output type B he
desires and start the machine. It creates a... | 27,986 |
H-Index
Description:
In research, it is tough to determine how good of a
researcher you are. One way that people determine how good you
are is by looking at your $H$-Index.
Each paper has a certain number of citations. Your
$H$-Index is the largest
number $H$ such that you
have $H$ papers with at
... | 27,987 |
HARDFLOR
Description:
HARDFLOR, Inc. is in the business of laying terrazzo floors.
They charge by the square foot of flooring laid. They are very
good at laying floors, but they have some difficulty in
calculating the areas because floors come in many shapes and
sizes, e.g.,
One rule that John Hardflo... | 27,988 |
Habeas Corpus
Description:
“The power to arrest–to deprive a
citizen of liberty–must be used fairly, responsibly, and
without bias.” –Loretta Lynch.
Due to desperation caused by the global financial crisis,
you, left with no other options, decided to rob a bank to
survive. Unfortunately, while you ... | 27,989 |
Hack Around the Lock
Description:
For your travel to the ACM-ICPC World Finals in Egypt, you
have bought a brand new luggage. The luggage has a numeric lock
composed of $K$ wheels
with digits $0\dots 9$ on
each of them. Each combination of the values on the wheels can
be represented as a $K$-digit ... | 27,990 |
Hacking the Screen
Description:
The ZOO management had been wondering for a long time how to
increase the number of children visitors to the ZOO. The
solution was surprising and unexpected in many ways. They
installed a huge screen past the entrance and started to
display short quizzes on it. The child... | 27,991 |
Haiku
Description:
A haiku is a Japanese form of poetry. It consists of three
phrases of $5$,
$7$ and $5$ syllables each.
Once a year, HiQ has a haiku contest, where employees submit
their best poems. The poems are then judged based on a wide
range of aspects, such as
* creativity
* simplicity
* be... | 27,992 |
Haiku Formatting
Description:
An example of a haiku is:
Write a program to examine a line of English text and and
attempt to render it as a haiku. This will require counting the
syllables in the words of the text, which should be done
according to the following rules:
* A word consists of a non-empty, ma... | 27,993 |
Hailstone Sequences
Description:
Given an integer $n$,
its hailstone sequence is constructed in the following
way. First, the integer $n$ is itself added as the first
number of the sequence. The following procedure is then
repeated. If the last integer $a$ added to the sequence is even, we
add $\fr... | 27,994 |
Hair of the Dog
Description:
Among the many detrimental consequences of alcohol are the
unpleasant physiological effects known as a hangover.
Typical symptoms of a hangover may include headache,
drowsiness, concentration problems, dry mouth, dizziness,
fatigue, gastrointestinal distress (e.g., vomiting... | 27,995 |
Hakkari
Description:
Bergur the hacker has just returned from Holland in his new
fine Adidas suit and is ready to work. He opens his email and
sees a message from hackers.com. The
message asks for a program that hacks Minesweeper and finds all
the mines in the game. The message also specifies that this... | 27,996 |
Half a Cookie
Description:
You and your sister have to share a large, circular cookie.
The cookie is quite stale, so you must break it by striking it
with a hammer. When struck at point $p$, the cookie will break along the
shortest chord containing $p$. You follow the usual strategy of
one person break... | 27,997 |
Hall O' Wee Mirrors
Description:
For the autumn harvest festival coming up, you and your
friend are designing a house that has a lot of fun rooms. In
one, you are going to set up a whole lot of double-sided
mirrors so that as a person walks through, they see reflections
of themselves. You realize that ... | 27,998 |
Halloween Loot
Description:
Alf and Beata were two kids who lived long ago, during the
time before you could spend Halloween participating in
programming competitions. As such, their lives were much more
boring than the lives of kids today. How can you survive
without programming competitions, you may ... | 27,999 |
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