task stringlengths 0 154k | __index_level_0__ int64 0 39.2k |
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Game Design
Description:
Carol enjoys playing with wooden games. The objective of the
game that fascinates her the most is to tilt a maze, made out
of $1\text {
cm}$-by-$1\text {
cm}$ blocks, in any of the four cardinal directions to
move a ball to a hole in the centre at $(0, 0)$. As shown in Figu... | 27,800 |
Game Night
Description:
It is finally Bobby’s birthday, and all of his
Acquaintances, Buddies and Colleagues have gathered for a board
game night. They are going to play a board game which is played
in up to three big teams. Bobby decided to split his guests
into groups based on how well he knows them:... | 27,801 |
Game Rank
Description:
Each rank has a certain number of “stars” that one needs to
gain before advancing to the next rank. If a player wins a
game, she gains a star. If before the game the player was on
rank $6$-$25$, and this was the third or more
consecutive win, she gains an additional bonus star fo... | 27,802 |
Game Scheduling
Description:
The playing schedule should be divided into rounds. A player
can play at most one game per round. If a player does not play
a game in a round, that player is said to have a bye in that
round.
Your task is to write a program that constructs a playing
schedule so that no pla... | 27,803 |
Game Show Elimination
Description:
You are running an elimination-style game show, where
players are eliminated one at a time until only one remains.
Based on what you know about the contestants, you are trying to
predict the results.
Each week, the remaining contestants take part in a
competition, wh... | 27,804 |
Game Strategy
Description:
Alice and Bob are playing a board game. The board is divided
into positions labeled $a, b, c,
d, \dots $ and the players use a gamepiece to mark the
current position. Each round of the game consists of two
steps:
* Alice makes a choice. Depending on the current position,
... | 27,805 |
Game Suggestions
Description:
Khadija is working on her new game, which will be a…well,
she doesn’t really know yet! She has made an extremely flexible
game engine, and being a skilled developer, she can implement
just about anything in it.
To find out what the game should contain, she has asked her
f... | 27,806 |
Game Theory
Description:
SoCCat challenges you to the following game:
There are $n$ cells
arranged in a row, with numbers $1$ to $n$ written on them. The $i$-th cell from the left has the
number $p_ i$ written on
it. SoCCat also has another array $a$ of size $n$.
Before the game begins, SoCCat will place... | 27,807 |
Game of Cards
Description:
Alice and Bob created a new game while at the beach this
summer. All they need is a set of numbered playing cards. They
start by creating $P$
piles with all cards face-up and select a non-negative number
$K$. After that, they take
turns like this:
* A player starts by se... | 27,808 |
Game of Dice
Description:
if you have $k$
ones, you get $k$
points.
if you have $k$
twos, you get $2k$
points.
if you have $k$
threes, you get $3k$
points.
if you have $k$
fours, you get $4k$
points.
if you have $k$
fives, you get $5k$
... | 27,809 |
Game of Divisibility
Description:
Viet and Nam are playing a game set up with a list of
$n$ positive integers
$a_1, a_2, \ldots , a_ n$
and a positive integer $k$. Two players alternatively take
turns removing a number from the list until the list is empty.
The final score of each player is the sum... | 27,810 |
Game of Gnomes
Description:
You have $n$ gnomes at
your disposal. Before the battle, they must be divided into at
most $m$ non-empty groups.
The battle will then proceed in turns. Each turn, your gnomes
will attack the enemy, causing one unit of damage for each
living gnome. Then the enemy will att... | 27,811 |
Game of Throwns
Description:
Daenerys frequently invents games to help teach her second
grade Computer Science class about various aspects of the
discipline. For this week’s lesson she has the children form a
circle and (carefully) throw around a petrified dragon egg.
The $n$ children are
numbered fro... | 27,812 |
Gameworld Tornado
Description:
The Brilliant Game Overseers (BGO) is building a brand new
game. The investors have noted that large gameworlds is a
selling point these days, so in order to appease the them, a
large gameworld with lots of interesting activities has been
planned. In addition to a large m... | 27,813 |
Gandalf's Spell
Description:
Today, Gandalf woke up from an awful dream that told him
that the hobbit needs to be mentally prepared for the journey
ahead. So, Gandalf decided to create a spell where it would
replace every unique word in a sentence with a unique
character. However, Gandalf is cheeky so ... | 27,814 |
Gangur
Description:
## Input
The input consists of a single line describing the contents
of all the section of the hallway. The hallway is at least
$1$ section and at most
$10^6$ sections. If the
hallway is described by > then
there is a person there facing right. If the hallway is
described b... | 27,815 |
Garage Door Code
Description:
There have been an increasing number of laptop thefts in
your area lately. After yours was recently stolen, too, you
decided that you had enough and are going to do something about
it! After asking around, you heard some rumors about where the
stolen laptops have been hidd... | 27,816 |
Garbage Tracking
Description:
Talulla has been hired to fix an issue for Sgudal Cleaning -
a company that specialises in making garbage cleaning robots
for the city New Glasgow. Instead of collecting garbage from
the streets, the cleaning robots now dump garbage
instead! In fact, the cleaning robots no... | 27,817 |
Garden Decorations
Description:
Every day when going to school and back home, Detje walks
along a street with $N$
houses, numbered from $0$
to $N-1$. Currently, house
$i$ is inhabited by person
$i$. For a change of
scenery, the residents have decided to switch houses with each
other. The pe... | 27,818 |
Garden of Thorns
Description:
Eddy owns a rectangular garden and has noticed some
trespassers stomping through his garden. There are some plants
that he wants to protect. He hires an assistant, Zyra, to
patrol and protect his garden.
Zyra cannot be bothered to monitor his garden, so she plants
a circl... | 27,819 |
Gas Station
Description:
You are a late night attendant at a busy gas station. You
can only go home after all the cars have topped up their fuel
tanks and left the gas station. The gas station you work at has
$P$ gas pump columns,
counting from left to right, and each column has two gas pumps,
pump... | 27,820 |
Gas Station Numbers
Description:
Many gas stations use plastic digits on an illuminated sign
to indicate prices. When there is an insufficient quantity of a
particular digit, the attendant may substitute another one
upside down.
The digit “6” looks much like “9” upside down. The digits
“0”, “1” and “8... | 27,821 |
Gasqutvå
Description:
Gasquen is antiquated so Gasqutvå shall now be crowdfunded
by the Chalmers students. The $N$ students communicate along a tree
where the students are nodes. Students are arbitrarily numbered
from $1$ to $N$. The $i$th student’s generosity is
described by one integer $a_
i$. Yo... | 27,822 |
Gathering
Description:
In order to draw more support and make their unhappiness
known to the municipality, a group of citizens has agreed to
gather at an intersection of the city to protest. The question
is: which intersection? Since there is not much difference
between them, the idea was raised to sel... | 27,823 |
Gathering in Yorknew
Description:
Hunters from all over the world are gathering in
Yorknew — where the ‘International Hunter Programming
Contest $2020$’ will take
place. As Gon has previously passed the final round of Hunter
Exam and became a Hunter, you may be able to see Gon in
Yorknew!
There is... | 27,824 |
Gatnamót
Description:
The police in Squareland is chasing criminals. The crime was
commited at an intersection at the coordinates $(0, 0)$ and the police has received
an anonymous tip on the criminals’ location. The tip was that
the criminals are situated at some intersection within
$r$ kilometers from... | 27,825 |
Gauntlet of Fire
Description:
Spike is competing in the Gauntlet of Fire for the title of
Dragon Lord. To succeed, he needs to traverse the labyrinthine
volcanic tunnels, avoiding the treacherous elements and making
it from chamber to chamber as quickly as possible.
The cave has $N$
chambers and $M$ t... | 27,826 |
Gauss Squares
Description:
You are given a prime $p$ satisfying $p = 1 \pmod{4}$ and should print
non-negative integers $x,
y$ satisfying $p = x^2 +
y^2$.
## Input
The first and only line of input contains a prime
$p \leq 10^{18}$ which
satisfies $p = 1
\pmod{4}$.
## Output
Print two non-ne... | 27,827 |
Gear Changing
Description:
Lucy is making her road bike ready for the season. All parts
have been checked for wear and tear and washed clean and she is
ready to put the beauty back together again. There is only one
thing troubling her. During the winter she has been to several
motivational talks by pre... | 27,828 |
Gear Wheels
Description:
Gear wheels can be connected to form chains, where the teeth
of adjacent gears interlock. This helps to transmit rotary
motion over a long distance.
Now, you have $N$ gear
wheels arranged on a straight line, numbered from $1$ to $N$ from left to right. Gear wheel
$i$ has $T_ i... | 27,829 |
Gears
Description:
A set of gears is installed on the plane. You are given the
center coordinate and radius of each gear, which are all
integer-valued. For a given source and target gear, indicate
what happens to the target gear if you attempt to turn the
source gear. Possibilities are:
* The source g... | 27,830 |
Gears and Axles
Description:
You have an assortment of circular gears with varying
numbers and sizes of teeth. You also have a motor that spins at
one revolution per second, as well as an unlimited number of
(identical, arbitrarily long) axles. The motor and all gears
fit the axles, and everything atta... | 27,831 |
Gears in Action
Description:
Peter works in the Slovak Institute of Gears. After years of
hard work he has constructed a special machine whose only
purpose is to rotate a lot of gears. After watching it for
three hours (it makes a good mechanical "screensaver"), he got
interested in one mathematical pr... | 27,832 |
Geezer Scripts
Description:
The other day Unnar was playing the video game Geezer
Scripts, Geezer Scripts V to be precise. He
opened a door (in the game) and before he knew he was in a
large and complicated cave-system, full of enemies who will
attack as soon as Unnar gets to close to them. What’s wors... | 27,833 |
Geimskip
Description:
“A long time ago, in a galaxy far, far away…”
The rebels have finally found the location of the new Death
Star and hope to perform an all out attack under the leadership
of General Gial Ackbar. Ackbar has committed all of their
ships, the ships being MC80 starships, CR90 corvettes, D... | 27,834 |
Gem Island
Description:
Gem Island is a tiny island in the middle of the Pacific
Ocean. Until recently, it was known as one of the poorest, but
also most peaceful, places on Earth. Today, it is neither poor
nor peaceful. What happened?
One sunny morning, not too long ago, all inhabitants of Gem
Island... | 27,835 |
Gene Block
Description:
You discovered that you could easily trade a big dirt block
of size $N$ for one of the
rarest Minecraft blocks, Gene. Although excessively abundant,
dirt blocks in this server come in different sizes — and, after
careful observation, you realized that the size of each
indivi... | 27,836 |
Gene Folding
Description:
International Cell Processing Company (ICPC) is a world
leader in the analysis of genetic sequences. A genetic sequence
is a sequence of nucleotides, which in this problem is
represented by a string containing only the letters A, C, G, and T in some
combination, each letter re... | 27,837 |
Genealogical Research
Description:
## Input
Your program accepts a series of commands, one per line. The
commands are described by the following syntax:
```
command ::= birth
::= death
::= ancestors
::= descendants
::= QUIT
birth ::= BIRTH child : date : mother... | 27,838 |
Generalized FizzBuzz
Description:
FizzBuzz is a common coding interview problem. The problem
is as follows:
Given a positive integer $n$, for all integers $i$ from 1 to $n$, inclusive:
* If $i$ is divisible by both
$3$ and $5$, print "FizzBuzz".
* Otherwise, if $i$ is divisible by $3$, print "Fizz".
* ... | 27,839 |
Generalized Knights
Description:
On an infinitely large grid, a generalized knight
stands at position $(0,
0)$. The knight is allowed to move in $8$ ways. First, it may move either
$\pm a$ or $\pm b$ steps horizontally, and then
$\pm a$ or $\pm b$ steps vertically.
Compute the minimum number of moves ... | 27,840 |
Generalized Recursive Functions
Description:
You have been employed by the math department to find the
solutions to different recursive, integer-valued functions.
Every function is of the form:
where all parameters $a_ i, b_
i, c, d$ are non-negative integers, and for each
$i$, $a_ i+b_ i > 0$. Write ... | 27,841 |
Generating Numbers
Description:
Ging is working on the next generation of computers –
‘Tanquum computers’.
‘Tanquum computers’ take advantages of advanced Physics,
allowing them to rearrange the digits of every positive integer
in one instruction.
The application is limitless. For example, from number
... | 27,842 |
Generators
Description:
The volcanic island of Fleeland has never had a proper
electric net, but finally the administration of the island have
agreed to build the island’s power plants and network.
On the island’s coast are its $n$ cities. The administration has
surveyed the cities and proposed $m$ of the... | 27,843 |
Genetic Reconstruction
Description:
You’re in charge of studying a new species, and you’d like
to make sure the work that you’ve collected is correct.
There are several creatures. For each one, you know the eye
color they have. This is denoted by one of the first
$20$ English lowercase
letters (from ‘... | 27,844 |
Genetic Search
Description:
Technology has greatly changed the field of biology in the
last decade, since biological information can be digitized and
analyzed by computer. One of the most basic analysis tasks is
counting the number of occurrences (or near-occurrences) of a
search string $S$ inside
... | 27,845 |
Genetics
Description:
A colony of alien bacteria has recently been discovered
close to a crater in New Mexico. Dr. Poucher is in charge of
the scientific team at the ICPC BioLab committed to the study
of the alien DNA structure. We briefly sketch their discoveries
here.
Alien DNA molecules have the st... | 27,846 |
Genetics
Description:
For villains that intend to take over the world, a common
way to avoid getting caught is to clone themselves. You have
managed to catch an evil villain and her $N-1$ clones, and you are now trying
to figure out which one of them is the real villain.
To your aid you have each person’s... | 27,847 |
Genijalac
Description:
Mirko is a genius. But the purpose of his inventions is not
always obvious. His latest invention, the Shuffle-o-matic 3175,
is one of those. The Shuffle-o-matic is used in a very special
way. First Mirko places $N$ paper cards, with numbers 1 to
$N$ printed on them, on
the Sh... | 27,848 |
Genius
Description:
If someone were to make a prediction that everyone thought
was doomed to failure, and it turned out to be correct,
wouldn’t it be shortsighted simply to dismiss this as a stroke
of luck? What if the person could do so over and over again?
Instead of explaining away those capable of ... | 27,849 |
Geometric Gridlock
Description:
Pentominous is a grid logic puzzle based on the
twelve pentominoes. A pentomino is a polygon formed by
connecting five equal-sized squares edge to edge.
The goal of this puzzle is to divide a grid into regions of
size $5$ (that is,
pentominoes), so that no two regions t... | 27,850 |
Geometry is Fun
Description:
Geometry is Fun! Won’t you agree? From the Greeks to the
Chinese, and to you, we all love geometry! It so happens that
The Great Lord Pooty loves geometry as well! So here is a
geometry question for you.
You have been hit by a truck and reincarnated as a
point in a 2-dimen... | 27,851 |
George
Description:
Last week Mister George visited Croatia. Since Mister George
is a very important person, while he was in a street, the
police disallowed entry to that street,
but vehicles that entered the street before Mister George could
continue driving.
While Mister George was visiting, Luka dr... | 27,852 |
Geppetto
Description:
Everyone’s favorite character and puppet-maker Geppetto has
opened a new pizza place, the best in town. Geppetto is trying
to make the best pizza possible, but at the same time he
doesn’t want to have a small selection of pizzas.
He makes his pizzas out of $N$ ingredients marked with... | 27,853 |
Gerrymandering
Description:
Electoral systems across the world can vary widely. In some
systems, such as winner-take-all, the winner is
determined by the plurality of votes—the candidate that
receives the most votes wins, and the loser(s) do not get a
position.
Such elections can have “wasted votes.” ... | 27,854 |
Get Off My Lawn!
Description:
Tom the Straight Builder has finally finished building his
Great Wall. Being a Straight Builder he has of course built a
wall with no bends in it at all. And as far as you can see he
has built this wall infinitely long and infinitely thin.
On one side of the wall Tom’s wife E... | 27,855 |
Get Shorty
Description:
Nils and Mikael are intergalaxial fighters as well as lethal
enemies. Now Nils has managed to capture the poor Mikael in his
dark dungeons, and it is up to you to help Mikael escape with
as much of his pride intact as possible.
The dungeons can be viewed as a set of corridors and
... | 27,856 |
Get a Clue!
Description:
Developed in the 1940s in the United Kingdom, the game of
Cluedo is one of the most popular board games in the world. The
object of the game is to determine who murdered Mr. Body,
which weapon was used to murder him, and where the murder took
place. The game uses a set of cards... | 27,857 |
Get to Work
Description:
You work for a company that has $E$ employees working in town
$T$. There are
$N$ towns in the area
where the employees live. You want to ensure that everyone will
be able to make it to work. Some of the employees are drivers
and can drive $P$
passengers. A capacity of $... | 27,858 |
Get-Rich-Quick Schemes
Description:
Cashback means that you earn a certain percentage of cash
back on purchase you make, depending on the type of purchase.
Formally, there are $n$
categories of merchandise. If you purchase merchandise from
category $i$ for
$x$ SEK, you earn
$p_ i \cdot x$ SEK b... | 27,859 |
Getting Gold
Description:
We’re building an old-school back-to-basics computer game.
It’s a very simple text based adventure game where you walk
around and try to find treasure, avoiding falling into traps.
The game is played on a rectangular grid and the player gets
very limited information about her ... | 27,860 |
Getting Rid of Coins
Description:
When Per was living in New York, he couldn’t use his debit
card as often as in Sweden. He had to carry cash all the time
and his wallet was getting heavy from all the coins he was
carrying around. He was once in a candy store buying a few
kilos of candy and he wanted t... | 27,861 |
Getting Through
Description:
A long and straight corridor is fitted with a number of
sensors. Each sensor has a certain range within which it can
detect objects or persons. If a part of an object is within the
sensor’s range, an alarm will go off. Otherwise, nothing will
happen.
Ethan needs to travers... | 27,862 |
Getting a Jump on Crime
Description:
Your friend Robin is a superhero. When you first found out
about this, you figured “everybody needs a hobby, and this
seems more exciting than stamp collecting,” but now you are
really thankful that somebody is doing something about the
crime in your hometown.
Ever... | 27,863 |
Ghost Leg
Description:
A Ghost Leg is a method for representing
permutations.
A Ghost Leg can be represented as a set of vertical lines,
each line corresponding to one element of the set being
permuted. Horizontal lines (like the rungs of a ladder) connect
adjacent vertical lines in such a way that no... | 27,864 |
Ghostbusters
Description:
The Bureau of Approved Peripherals for Computers (BAPC) is
designing a new standard for computer keyboards. With every new
norm and regulation, hardware becomes obsolete easily, so they
require your services to write firmware for them.
A computer keyboard is an array of $M$ rows ... | 27,865 |
Ghostbusters 2
Description:
In the 1984 Ghostbusters™ movie, the protagonists use proton
pack weapons that fire laser streams. This leads to the
following memorable dialog between scientists Peter Venkman and
Egon Spengler:
Spengler: There’s something very important
I forgot to tell you.
Venkman: What... | 27,866 |
Ghostbusters 3
Description:
There is something strange in the neighbourhood. Who you
gonna call? Ghostbusters!
A number of ghosts have decided to roam the street, and the
Ghostbusters have arrived to deal with this situation. Luckily
all the ghosts have decided to stay on one side of a very long
stree... | 27,867 |
Gig Combinatorics
Description:
Given the hype rating of each of Tóti’s songs in the order
he wrote them, how many setlists can he make?
## Input
The first line of input consists of an integer $n$ ($1
\leq n \leq 10^6$), the number of songs Tóti has
written. The second line consists of $n$ integers, each ... | 27,868 |
Gin Fizz
Description:
The classic Gin Fizz is the best-known cocktail in
the fizz family, a mixed drink variation on the older sours
family of cocktails. Their defining feature is an acidic juice
(in this case, lemon) and carbonated water. The Gin Fizz
appears first in Jerry Thomas’s classic The Bar-Te... | 27,869 |
Gin and Tonic
Description:
It’s time once again for the annual gathering of the Club of
Allergic Tonic Tasters in Scrollbar (CATTIS). Club members with
various rare allergies come together to sample a range of
delicious tonic-based beverages. This year’s theme centers
around the timeless highball cockt... | 27,870 |
Ginger Candy
Description:
Mr. G is one of the most excellent
students in North River High School for
Gifted Students. Despite having impressive performance in a
programming competition and making it to the next round, he was
not totally happy since his best friend did not get such a
great achieveme... | 27,871 |
Gini Stuðull
Description:
Here $\lvert x\rvert $
denotes the absolute value of $x$: $\lvert x\rvert = x$ if $x \geq 0$, but $\lvert x\rvert = -x$ if $x < 0$.
## Input
The first line of the input contains one integer
$n$, the number of
individuals in the group. Then there will be $n$ lines, one for each i... | 27,872 |
Girðingaherping
Description:
A fence has been placed around the perimeter where a new
building will be constructed. However, news have spread of
budget cuts that are coming up, so the area for the building
has to be made smaller. The mathematicians that were on call
said that contractions work great fo... | 27,873 |
Giskaðu á svarið
Description:
## Input
There is no input.
## Output
An integer between $0$
and $1000$.
## Explanation of Sample Inputs
In the sample the number $500$ is printed. A solution print ing
the number $500$ gets
$0$ points, because it is
far from the answer.
## Scoring
If $X$ is the dis... | 27,874 |
Git Good
Description:
Doris’s younger brother Boris has recently started working
as a programmer at E-Max (an online
hamburger chain). Like all
major companies, E-Max uses the version control system git to save changes to the codebase.
Unfortunately, Boris hasn’t learned git yet and needs help!
When s... | 27,875 |
Gladiators
Description:
In the TV game show Gladiators, the final competition is to
run through a steeplechase course. To get some variation, the
producer has decided to change the course each week. The course
is always built out of m obstacles, all of different heights,
placed along a straight line. A... | 27,876 |
Glasses Foggy, Mom's Spaghetti
Description:
Conway’s glasses are foggy,
Knees weak, arms are heavy.
Palms are sweaty, mom’s spaghetti.
He’s nervous, but on the surface he looks calm and ready
to go home neat and tidy, but the streets are trippy.
In order to go home, Conway needs to follow the street s... | 27,877 |
GlitchBot
Description:
One of our delivery robots is malfunctioning! The job of the
robot is simple; it should follow a list of instructions in
order to reach a target destination. The list of instructions
is originally correct to get the robot to the target. However,
something is going wrong as we upl... | 27,878 |
Global Warming
Description:
This is a very exciting week for John. The reason is that,
as a middle school teacher, he has been asked to dedicate the
entire week to teaching his class of $n$ students about the cause and
effect of global warming. As John is very passionate about his
planet, he’s going to... | 27,879 |
Glossary Arrangement
Description:
In Unix based operating systems, one of the most frequently
used commands is ls, which displays a
list of all the files in a directory in lexicographic order. In
the most basic form, ls prints each
filename on a separate line, but to improve readability and
save sc... | 27,880 |
Glued Grid
Description:
A sliding puzzle consists of square tiles on a rectangular
grid. Exactly one of the grid positions is empty, so that you
can move the tile above, below, to its left, or to its right
into the empty square and back.
Each tile is labelled with a unique number, as shown in
Figure 1... | 27,881 |
Gluttonous Goop
Description:
As a prominent researcher in the laboratorium for
Breathtaking Agriculture through Petri dish Cultivation, you
keep on looking for new organisms that might be the food of the
future. Recently you have discovered a new fungus-type organism
that seems to be nutritious and ver... | 27,882 |
Glyph Recognition
Description:
You are an archaeologist working at an excavation site where
your team has found hundreds of clay tablets containing glyphs
written in some ancient language. Not much is known about the
language yet, but you know that there are only six different
glyphs, each of them in t... | 27,883 |
Glötuð Gildi
Description:
The universities of Iceland have decided to host a large Nim
tournament. Exactly $n$
teams have registered, and each team will compete exactly once
against every other team. As is well known there are no ties in
Nim, so in each game there is exactly one winning team which
... | 27,884 |
Gnoll Hypothesis
Description:
You are a huge fan of the RPG The Eldest Scrolls:
Earthrim and know all of the game’s internal mechanics.
For instance, when spawning a new monster, each of the
$n$ different types of
monsters in the game has some fixed probability of appearing,
and you know exactly wh... | 27,885 |
Go with the Flow
Description:
In typesetting, a “river” is a string of spaces formed by
gaps between words that extends down several lines of text. For
instance, Figure 1 shows several examples of rivers
highlighted in red (text is intentionally blurred to make the
rivers more visible).
Celebrated riv... | 27,886 |
Goat Rope
Description:
You have a fence post located at the point $(x, y)$ in the plane, to which a goat
is tethered by a rope. You also have a house, which you model
as an axis-aligned rectangle with diagonally opposite corners
at the points $(x_1, y_1)$
and $(x_2, y_2)$. You want
to pick a length... | 27,887 |
Goat Ropes
Description:
A farmer has $n$ goats.
Coincidentally, he also has $n$ fixed posts in a field where he
wants the goats to graze. He wants to tie each goat to a post
with a length of rope. He wants to give each goat as much
leeway as possible – but, goat ropes are notorious for getting
tang... | 27,888 |
Goblin Garden Guards
Description:
In an unprecedented turn of events, goblins recently
launched an invasion against the Nedewsian city of Mlohkcots.
Goblins—small, green critters—love nothing more than to
introduce additional entropy into the calm and ordered lives of
ordinary people. They fear little,... | 27,889 |
God Save the i-th Queen
Description:
Did you know that during the ACM-ICPC World Finals a big
chessboard is installed every year and is available for the
participants to play against each other? In this problem, we
will test your basic chess-playing abilities to verify that you
would not make a fool of... | 27,890 |
Godzilla
Description:
Godzilla is rampaging through Tokyo again. Luckily, the
Superior Defender Mech Force (SDMF) has sent its mech units to
stop Godzilla’s attack. Mech units are gigantic bipedal robots,
usually piloted by Japanese teenagers, that carry weapons of
superior destruction. The weapons are... | 27,891 |
Going Dutch
Description:
You could each take all the receipts showing that someone
paid something for you, and then pay that person back. But then
you would need a lot of transactions, and you want to
keep up the lazy spirit from your trip. In the end, it does not
matter who transfers money to whom; as... | 27,892 |
Going in Circles
Description:
Hercule thought for a moment. “That is most peculiar,” he
said. “But I may be able to help you.” He reached over and
grabbed the lamp from the side table. “You see, each train
carriage has a light switch like this one. By moving between
the carriages and toggling these swi... | 27,893 |
Going to School
Description:
Cissi is walking from her home to school, following a long
street going from the west to the east. On her way, she passes
a number of street crossings where the crossing street either
goes north (N), south (S) or both (B). At
every street crossing, there are crosswalks on b... | 27,894 |
Going to Seed
Description:
The Great Seedling is a mythical spirit that supposedly
rewards whoever catches it with farm crops that remain in bloom
forever. Rumor has it that in the dead of tonight, it will be
coming to Sweet Apple Acres—the Apple family’s farm!
Applejack and Apple Bloom are hoping to catc... | 27,895 |
Gokigen Naname
Description:
Gokigen Naname is a Japanese puzzle game played on
a square grid in which numbers in circles appear at some of the
intersections on the grid.
The objective is to draw diagonal lines in each cell of the
grid, such that the number in each circle equals the number of
lines ext... | 27,896 |
Gold Bandits
Description:
In the hills of a distant land there is a valley with many
villages. The villages are all ruled by a cruel king who
demands that each village pay him tribute in gold each year.
The villages are required to bring gold to the king as quickly
as possible when he demands it.
Ther... | 27,897 |
Gold Leaf
Description:
Gold Leaf is a very thin layer of gold, with a paper
backing. If the paper gets folded and then unfolded, the gold
leaf will stick to itself more readily than it will stick to
the paper, so there will be patches of gold and patches of
exposed paper. Note that the gold leaf will a... | 27,898 |
Goldbach's Conjecture
Description:
The goal of this program is to find all unique ways to
represent a given even number as the sum of two prime numbers.
A prime number is an integer greater than $1$ that is evenly divisible by only
itself and $1$. The first
few prime numbers are $2$,
$3$, $5$, $7$,... | 27,899 |
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