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Total results2,362 problems

Chocolate Bar
Easy1
Math, Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Alloy Coin
Easy1
Math, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Public transit at the Information Science Building
Easy1
Implementation, Math
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
CodeMaster 2023
Easy1
Implementation, String
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Deliv-e-droid
Easy1
Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Chili Peppers
Easy1
Implementation, Hash map
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Department Survey
Easy1
Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Physical Education Is a Coding Subject
Easy1
Implementation, Simulation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Matching Socks
Easy1
Hash map
No attempts yet
Time limit
0.5s
Memory limit
1024 MB
Judgeable
HI-ARC=?
Easy1
Implementation, Math
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Previous Level
Easy1
Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Area
Easy1
Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Indicator
Easy1
Math, Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Style change
Easy1
String, Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Domino
Easy1
Implementation, String
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Shopping Center
Easy1
Implementation, Array
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Information Security School Clubs
Easy1
Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Sum of Cubes
Easy1
Implementation, Math
No attempts yet
Time limit
0.25s
Memory limit
1024 MB
Judgeable
Results Table
Easy1
Implementation, String
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Delivery
Easy1
Implementation, Brute force
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Grindelwald Photofit
Easy1
Implementation, Matrix
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Movie Buffs
Easy1
Implementation, Math
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Conveyor
Easy1
Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Sorting Crayons
Easy1
Sorting, Implementation
No attempts yet
Time limit
8s
Memory limit
1024 MB
Judgeable
Army Training
Easy1
Array, Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Kings
Easy1
Implementation, Math
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Logins
Easy1
String, Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Foma and Entertaining Mathematics
Easy1
Implementation, Brute force
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Mister Bean's Happiness
Easy1
Array, Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Expression
Easy1
Array, Math
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Letters and Scales
Easy1
Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Christmas Lottery
Easy1
Implementation, Math
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Welcome to SMUPC!
Easy1
String, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Chess Beginner Bushil
Easy1
Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
2033 Meme Vote
Easy1
String, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Busil wants to be friends
Easy1
Intervals, Math
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Triangle
Easy1
Math, Implementation
No attempts yet
Time limit
0.1s
Memory limit
1024 MB
Judgeable
Finding DKSH
Easy1
String, String matching
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Ims's MapleCup
Easy1
Implementation
No attempts yet
Time limit
0.1s
Memory limit
1024 MB
Judgeable
Arno's Sleep Schedule
Easy1
Implementation, Math
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Jõululaul
Easy1
Math, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Number One Inventor
Easy1
Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Amusement Park Adventure
Easy1
Implementation, Simulation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Ramen Formula
Easy1
Implementation, Math
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Junyeong's Grade
Easy1
Implementation, Math
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Position Zero
Easy1
Implementation, Math
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Finding the Price of Sweet Corn
Easy1
Math, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Counting Banknotes
Easy1
Implementation, Math
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Flipping letters
Easy1
Implementation, String
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Rust Study
Easy1
Array, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Hidden Sum
Easy1
Math, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Jinheung Seminar Rooms
Easy1
Implementation, Hash map
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Malvika is peculiar about balloon colors
Easy1
String, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Sum of Counts
Easy1
Math, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
An Easy-Peasy Problem
Easy1
Implementation, Math
No attempts yet
Time limit
5s
Memory limit
1024 MB
Judgeable
Lucky 7
Easy1
Math, String+1
No attempts yet
Time limit
5s
Memory limit
1024 MB
Judgeable
Java Warriors
Easy1
Implementation, Math
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Kick
Easy1
String, String matching
No attempts yet
Time limit
3s
Memory limit
1024 MB
Judgeable
Computer Hit by Gamma Rays
Easy1
Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Guan Gong, Why Did Only Your Head Arrive?
Easy1
String, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
IGRUS and the Restroom
Easy1
Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
What Color Is This Star
Easy1
Implementation
No attempts yet
Time limit
1s
Memory limit
512 MB
Judgeable
gahui and sousenkyo 3
Easy1
Implementation, Math
No attempts yet
Time limit
1s
Memory limit
512 MB
Judgeable
Seat Layout
Easy1
Implementation, Array
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Since attending Seoul Cyber University
Easy1
String, Hash map
No attempts yet
Time limit
1s
Memory limit
512 MB
Judgeable
Caring for Kindergartener Padaeng-i
Easy1
Array, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Go to Jinju! (Easy)
Easy1
Implementation, Array
No attempts yet
Time limit
1s
Memory limit
512 MB
Judgeable
Last Factorial Digit
Easy1
Implementation, Math
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Astrology
Easy1
Implementation, String
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
The Golden Middle
Easy1
Implementation, Sorting
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Hunting Dog
Easy1
Math, Simulation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Is Y a Vowel?
Easy1
String, Implementation
No attempts yet
Time limit
1s
Memory limit
2048 MB
Judgeable
Scholarship
Easy1
Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Elice Track Matching
Easy1
Implementation, String
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
SUAPC 2023 Summer
Easy1
Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Triple Sevens
Easy1
Implementation
No attempts yet
Time limit
1s
Memory limit
2048 MB
Judgeable
Fruit
Easy1
Implementation, Math
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Sum Checker
Easy1
Math, Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Hamming Distance
Easy1
String, Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Appearing Numbers
Easy1
Array, Hash map
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Drops Packing
Easy1
Math, Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Tuesday
Easy1
Math, Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Stroke Count
Easy1
String, Simulation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Minutes
Easy1
Math, Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Digit
Easy1
Math, Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Matched Letters
Easy1
String, Implementation
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Difference
Easy1
Array, Hash map
No attempts yet
Time limit
2s
Memory limit
1024 MB
Judgeable
Adding Trouble
Easy1
Math, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Sticky Keys
Easy1
String, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Special Eggplant
Easy1
Math, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
SciComLove (2024)
Easy1
Math, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
The Start of the Adventure
Easy1
Implementation, Brute force
No attempts yet
Time limit
1s
Memory limit
917 MB
Judgeable
Unit Test
Easy1
Math, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Treating Freshmen to Cafeteria Meals
Easy1
Implementation, Array
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Retaking a Course
Easy1
String, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Finger Game
Easy1
Implementation, Simulation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Odd Even Game
Easy1
String, Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Printing GIST
Easy1
Implementation, Simulation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
The Contest Is Mine Now
Easy1
Implementation
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable
Going to School
Easy1
Implementation, Array
No attempts yet
Time limit
1s
Memory limit
1024 MB
Judgeable

Title	Level	Topics	Solved	Time limit	Memory limit	Judge
Chocolate BarGiven N coins of 100 won each, the task is to check whether the total value is at least the price M and print Yes or No.	Easy1	MathImplementation	No attempts yet	2s	1024 MB	Judgeable
Alloy CoinGiven two metal densities and the mass percentage of the denser metal, the task is to compute the density of the resulting alloy coin.	Easy1	MathImplementation	No attempts yet	1s	1024 MB	Judgeable
Public transit at the Information Science BuildingGiven walking time N, bus arrival A, and train arrival B, decide whether the bus or the subway can be boarded first, or if they tie.	Easy1	ImplementationMath	No attempts yet	2s	1024 MB	Judgeable
CodeMaster 2023Read one of four chants and print its matching cheer from a fixed lookup, such as SONGDO mapping to HIGHSCHOOL.	Easy1	ImplementationString	No attempts yet	1s	1024 MB	Judgeable
Deliv-e-droidCompute the final score from the number of packages delivered and obstacle collisions, using the 50-point reward, 10-point penalty, and 500-point bonus rules.	Easy1	Implementation	No attempts yet	1s	1024 MB	Judgeable
Chili PeppersSums the SHU values of the peppers named in the input, using a fixed lookup table of six pepper types.	Easy1	ImplementationHash map	No attempts yet	1s	1024 MB	Judgeable
Department SurveyGiven each club member's grade, class, and number, count members per major and count first-year students who have no major.	Easy1	Implementation	No attempts yet	1s	1024 MB	Judgeable
Physical Education Is a Coding SubjectGiven ten turn instructions (right, about, left) starting from north, print the final facing direction as N, E, S, or W.	Easy1	ImplementationSimulation	No attempts yet	2s	1024 MB	Judgeable
Matching SocksGiven five digits where two pairs can be formed, print the single digit that has no matching partner.	Easy1	Hash map	No attempts yet	0.5s	1024 MB	Judgeable
HI-ARC=?The task reads five integers H, I, A, R, C and prints H times I minus A times R times C.	Easy1	ImplementationMath	No attempts yet	1s	1024 MB	Judgeable
Previous LevelGiven N character levels, print the range number (1 to 4) for each level using the thresholds 300, 275, and 250.	Easy1	Implementation	No attempts yet	1s	1024 MB	Judgeable
AreaGiven n frames with heights and widths, the task is to print the largest area h times w among them.	Easy1	Implementation	No attempts yet	1s	1024 MB	Judgeable
IndicatorGiven a cyclic counter from 1 to m, find the fewest button presses that move it from a to b.	Easy1	MathImplementation	No attempts yet	2s	1024 MB	Judgeable
Style changeConvert each camelCase or CamelCase variable name to snake_case by lowercasing all letters and inserting an underscore before each capital letter.	Easy1	StringImplementation	No attempts yet	2s	1024 MB	Judgeable
DominoGiven two domino tiles, the task is to decide whether they share a half with the same number of dots.	Easy1	ImplementationString	No attempts yet	2s	1024 MB	Judgeable
Shopping CenterGiven n buses with departure times and travel durations, find the minimum of t_i plus l_i over all buses.	Easy1	ImplementationArray	No attempts yet	2s	1024 MB	Judgeable
Information Security School ClubsGiven the first letter of a club name (M, W, C, A, or $), print the full name of the club it refers to.	Easy1	Implementation	No attempts yet	1s	1024 MB	Judgeable
Sum of CubesGiven N, the task prints the sum 1 to N, its square, and the sum of cubes 1 to N.	Easy1	ImplementationMath	No attempts yet	0.25s	1024 MB	Judgeable
Results TableCount the rows of a results table that contain at least one '+' character, which marks a solved problem.	Easy1	ImplementationString	No attempts yet	2s	1024 MB	Judgeable
DeliveryEach shop costs p plus d plus C times v, and the task is to output the smallest such total over all n shops.	Easy1	ImplementationBrute force	No attempts yet	2s	1024 MB	Judgeable
Grindelwald PhotofitCheck whether every painted pixel in grid p is allowed by its restriction in grid c, and print correct or incorrect.	Easy1	ImplementationMatrix	No attempts yet	2s	1024 MB	Judgeable
Movie BuffsCompare total video minutes for two viewers, where a trailer is 3 minutes, an episode is 20 minutes, and a film is 120 minutes, and report who watched more or a draw.	Easy1	ImplementationMath	No attempts yet	2s	1024 MB	Judgeable
ConveyorGiven a sequence of -1, 0, and 1 values, decide whether their sum is negative, positive, or zero, and print Left, Right, or Stay.	Easy1	Implementation	No attempts yet	2s	1024 MB	Judgeable
Sorting CrayonsGiven strings of crayon types, the task is to sort each string so lowercase letters come first, then uppercase, then digits, each in ascending order.	Easy1	SortingImplementation	No attempts yet	8s	1024 MB	Judgeable
Army TrainingGiven readiness scores (1 to 3) for n soldiers, find the fewest soldiers to raise to score 1 so that at least half of the army is fully ready.	Easy1	ArrayImplementation	No attempts yet	2s	1024 MB	Judgeable
KingsGiven three armies' battalion counts and sizes, the task is to print the name or names of the army with the most warriors.	Easy1	ImplementationMath	No attempts yet	2s	1024 MB	Judgeable
LoginsCheck whether a login of up to 10 characters starts with "io" and is followed by at least one digit.	Easy1	StringImplementation	No attempts yet	2s	1024 MB	Judgeable
Foma and Entertaining MathematicsGiven a, b, c, d, find the unique x in {1, 2, 3} with a^x + b^x + c^x = d, or print -1 if there is no such x or more than one.	Easy1	ImplementationBrute force	No attempts yet	2s	1024 MB	Judgeable
Mister Bean's HappinessGiven n numbers, print Happy if more of them are even than odd, otherwise print Sad.	Easy1	ArrayImplementation	No attempts yet	2s	1024 MB	Judgeable
ExpressionGiven n cards with integers, find the smallest index j where a_j equals the sum of all the other cards.	Easy1	ArrayMath	No attempts yet	2s	1024 MB	Judgeable
Letters and ScalesGiven n scales and a word s, find the minimum number of cubes needed to show s on the scales in a row, or report Impossible.	Easy1	Implementation	No attempts yet	2s	1024 MB	Judgeable
Christmas LotteryFor each receipt, count the full A-ruble parts of its amount, then print the total of those counts across all n receipts.	Easy1	ImplementationMath	No attempts yet	2s	1024 MB	Judgeable
Welcome to SMUPC!Given N, print the N-th letter of the repeating string WelcomeToSMUPC, which has length 14.	Easy1	StringImplementation	No attempts yet	1s	1024 MB	Judgeable
Chess Beginner BushilGiven an 8x8 chess board, compute White's piece score minus Black's piece score using the standard point values for each piece.	Easy1	Implementation	No attempts yet	1s	1024 MB	Judgeable
2033 Meme VoteGiven N lines, print Yes if any line is not one of Rick Astley's seven original promises (case-sensitive), otherwise print No.	Easy1	StringImplementation	No attempts yet	1s	1024 MB	Judgeable
Busil wants to be friendsCount how many values from A to B differ from K by at most X, and print IMPOSSIBLE if no value qualifies.	Easy1	IntervalsMath	No attempts yet	1s	1024 MB	Judgeable
TriangleGiven base W and height H, the task asks for the triangle's area printed with one decimal place.	Easy1	MathImplementation	No attempts yet	0.1s	1024 MB	Judgeable
Finding DKSHCount the occurrences of the substring DKSH in a string of at most 1,000 characters made of D, K, S, and H.	Easy1	StringString matching	No attempts yet	1s	1024 MB	Judgeable
Ims's MapleCupGiven a solved-problem count, Union level, and highest character level, print Very Good, Good, or Bad based on two threshold checks.	Easy1	Implementation	No attempts yet	0.1s	1024 MB	Judgeable
Arno's Sleep ScheduleGiven the hour Arno goes to sleep and the hour his alarm rings, print how many hours he sleeps, wrapping past midnight when needed.	Easy1	ImplementationMath	No attempts yet	1s	1024 MB	Judgeable
JõululaulGiven N, print for each k from 1 to N the total count of gift A_k, which is k times (N minus k plus 1).	Easy1	MathImplementation	No attempts yet	1s	1024 MB	Judgeable
Number One InventorGiven each inventor's stock and weekly invention rate, find the fewest gadgets Adalbert must add to have the most inventions after 10 weeks.	Easy1	Implementation	No attempts yet	1s	1024 MB	Judgeable
Amusement Park AdventureCount how many ride minimum heights are at or below Carlitos' height, given N and H and a list of N heights.	Easy1	ImplementationSimulation	No attempts yet	1s	1024 MB	Judgeable
Ramen FormulaGiven N cases of coefficients A, B and pack count X, print W = A(X-1)+B for each case.	Easy1	ImplementationMath	No attempts yet	1s	1024 MB	Judgeable
Junyeong's GradeGiven each rank G_i among N students, the task maps the integer part of G_i times 100 divided by N to a grade from 1 to 9 for each of K subjects.	Easy1	ImplementationMath	No attempts yet	1s	1024 MB	Judgeable
Position ZeroCount the vertical lines x = T_i that pass strictly inside a circle with center (X, Y) and radius R, and count those that only touch its boundary.	Easy1	ImplementationMath	No attempts yet	1s	1024 MB	Judgeable
Finding the Price of Sweet CornGiven the price B that includes a 10% value-added tax, find the price A before tax. B is a multiple of 11, so A is B divided by 11, times 10.	Easy1	MathImplementation	No attempts yet	1s	1024 MB	Judgeable
Counting BanknotesGiven N banknote widths and heights, the task is to sum the value of each note, where width identifies the denomination.	Easy1	ImplementationMath	No attempts yet	1s	1024 MB	Judgeable
Flipping lettersGiven an N by N grid of d, b, q, and p, print the grid after flipping every letter vertically or horizontally.	Easy1	ImplementationString	No attempts yet	1s	1024 MB	Judgeable
Rust StudyCount the days on which the pages Im-su actually studied are at least the planned pages for that day.	Easy1	ArrayImplementation	No attempts yet	1s	1024 MB	Judgeable
Hidden SumGiven ten integers, print the one that equals the sum of the other nine.	Easy1	MathImplementation	No attempts yet	1s	1024 MB	Judgeable
Jinheung Seminar RoomsGiven N seminar names from a fixed table, print the room number of each one in the order they were given.	Easy1	ImplementationHash map	No attempts yet	1s	1024 MB	Judgeable
Malvika is peculiar about balloon colorsGiven a string of 'a' and 'b' characters, find the fewest characters to flip so that all characters match.	Easy1	StringImplementation	No attempts yet	1s	1024 MB	Judgeable
Sum of CountsGiven n and m, find the sum of f(n, m, i) over i from 0 to n+m, where f counts pairs (x, y) with x+y=i in the box 0 to n by 0 to m.	Easy1	MathImplementation	No attempts yet	1s	1024 MB	Judgeable
An Easy-Peasy ProblemGiven solve counts at the halfway point and at the end of a contest, print E if at least half of the final solvers had solved it by the first half, otherwise H.	Easy1	ImplementationMath	No attempts yet	5s	1024 MB	Judgeable
Lucky 7Given an integer, the task is to print 0, 1, 2, or 3 depending on whether the number contains digit 7 and whether it is divisible by 7.	Easy1	MathString+1	No attempts yet	5s	1024 MB	Judgeable
Java WarriorsGiven a team count n (at most 20), the task is to output n times the 4000 dollar registration fee.	Easy1	ImplementationMath	No attempts yet	1s	1024 MB	Judgeable
KickCount the occurrences of the substring kick in a lowercase string of up to 5 million characters, including overlapping matches.	Easy1	StringString matching	No attempts yet	3s	1024 MB	Judgeable
Computer Hit by Gamma RaysGiven a 15x15 grid of pixel colors, print which cat the photo belongs to based on whether it contains w, b, or g.	Easy1	Implementation	No attempts yet	1s	1024 MB	Judgeable
Guan Gong, Why Did Only Your Head Arrive?Given N suspect names, print the one name that contains the letter S. Exactly one name has it.	Easy1	StringImplementation	No attempts yet	1s	1024 MB	Judgeable
IGRUS and the RestroomGiven the floor K and the mascot's body size, find the nearest floor with a restroom that fits it: odd floors for Annyong, even floors for Induck.	Easy1	Implementation	No attempts yet	1s	1024 MB	Judgeable
What Color Is This StarGiven a starlight wavelength in nm, print the star's color by checking which listed wavelength range it falls into.	Easy1	Implementation	No attempts yet	1s	512 MB	Judgeable
gahui and sousenkyo 3Given preliminary votes p and final votes r, print the character's type (weak, normal, strong, or very strong) based on the ratio p/r.	Easy1	ImplementationMath	No attempts yet	1s	512 MB	Judgeable
Seat LayoutGiven the booked seats in a 10 by 20 grid, print the layout with o for taken seats and . for empty ones.	Easy1	ImplementationArray	No attempts yet	1s	1024 MB	Judgeable
Since attending Seoul Cyber UniversityGiven a lowercase string with spaces, commas, and periods, the task counts how often the most frequent letter appears.	Easy1	StringHash map	No attempts yet	1s	512 MB	Judgeable
Caring for Kindergartener Padaeng-iGiven T minutes and N candies with flavor durations, decide whether the candies' total duration is at least T.	Easy1	ArrayImplementation	No attempts yet	1s	1024 MB	Judgeable
Go to Jinju! (Easy)Given N transport options with destinations and fares, find the fare to jinju and count the options that cost more than it.	Easy1	ImplementationArray	No attempts yet	1s	512 MB	Judgeable
Last Factorial DigitGiven up to 10 values of N (N at most 10), print the last decimal digit of N! for each.	Easy1	ImplementationMath	No attempts yet	1s	1024 MB	Judgeable
AstrologyGiven a date as YYYY-MM-DD, print the zodiac sign of the Sun on that date using a fixed table of day ranges.	Easy1	ImplementationString	No attempts yet	1s	1024 MB	Judgeable
The Golden MiddleGiven three distinct integers, the task is to print the one that is neither the smallest nor the largest.	Easy1	ImplementationSorting	No attempts yet	1s	1024 MB	Judgeable
Hunting DogGiven the starting gap N and per-jump distances M (rabbit) and K (dog), the task is to find how many jumps the dog needs to close the gap.	Easy1	MathSimulation	No attempts yet	1s	1024 MB	Judgeable
Is Y a Vowel?Given a lowercase word, count its vowels twice: once without counting y and once counting y as a vowel.	Easy1	StringImplementation	No attempts yet	1s	2048 MB	Judgeable
ScholarshipGiven n exam marks, determine which scholarship Vasya gets: None, Common, High, or Named.	Easy1	Implementation	No attempts yet	1s	1024 MB	Judgeable
Elice Track MatchingGiven the track each of N friends applies to and Hellobit's track, count how many friends chose the same track as Hellobit.	Easy1	ImplementationString	No attempts yet	2s	1024 MB	Judgeable
SUAPC 2023 SummerGiven N, output the solved count and total penalty of the Nth-place team on the SUAPC 2023 Summer scoreboard, which is a lookup from the image.	Easy1	Implementation	No attempts yet	1s	1024 MB	Judgeable
Triple SevensGiven three wheels of digits, check whether every wheel contains the digit 7, then print 777 if so and 0 otherwise.	Easy1	Implementation	No attempts yet	1s	2048 MB	Judgeable
FruitRead two integers X and Y, then print X + Y + 3, the total count of apples, mandarin oranges, and three bananas.	Easy1	ImplementationMath	No attempts yet	2s	1024 MB	Judgeable
Sum CheckerGiven three positive integers, the task is to check whether one of them equals the sum of the other two and print 1 or 0.	Easy1	MathImplementation	No attempts yet	2s	1024 MB	Judgeable
Hamming DistanceGiven two equal-length strings, count the positions where their characters differ.	Easy1	StringImplementation	No attempts yet	2s	1024 MB	Judgeable
Appearing NumbersGiven a sequence of N digits from 0 to 9, the task is to print each distinct digit that appears, in increasing order.	Easy1	ArrayHash map	No attempts yet	2s	1024 MB	Judgeable
Drops PackingGiven a price per drop, a count of drops, and a bag price, the task asks for the total amount paid, which is A times B plus C.	Easy1	MathImplementation	No attempts yet	2s	1024 MB	Judgeable
TuesdayGiven X, print 1 if the day X days after a Sunday is a Tuesday, otherwise print 0.	Easy1	MathImplementation	No attempts yet	2s	1024 MB	Judgeable
Stroke CountGiven a string of j, o, and i, the task is to sum their stroke counts (2, 1, and 2).	Easy1	StringSimulation	No attempts yet	2s	1024 MB	Judgeable
MinutesGiven hours H and minutes M, the task is to print the total number of minutes, H * 60 + M.	Easy1	MathImplementation	No attempts yet	2s	1024 MB	Judgeable
DigitGiven two integers A and B, the task is to count the decimal digits of their sum.	Easy1	MathImplementation	No attempts yet	2s	1024 MB	Judgeable
Matched LettersGiven a string, the task is to check whether every character is the same letter and print Yes or No.	Easy1	StringImplementation	No attempts yet	2s	1024 MB	Judgeable
DifferenceGiven two sequences A and B and an integer K, count the pairs (p, q) where A_p + K equals B_q.	Easy1	ArrayHash map	No attempts yet	2s	1024 MB	Judgeable
Adding TroubleGiven three integers A, B, and C, the task is to check whether A + B equals C and print correct! or wrong! accordingly.	Easy1	MathImplementation	No attempts yet	1s	1024 MB	Judgeable
Sticky KeysGiven a line of letters, digits, and spaces, collapse each run of identical consecutive characters into a single character and print the result.	Easy1	StringImplementation	No attempts yet	1s	1024 MB	Judgeable
Special EggplantGiven beef per roll N, total beef M, and eggplant per roll K, the task is to compute total eggplant grams needed as (M/N)*K.	Easy1	MathImplementation	No attempts yet	1s	1024 MB	Judgeable
SciComLove (2024)Given N, print the string SciComLove reversed N times: the original if N is even, or evoLmoCciS if N is odd.	Easy1	MathImplementation	No attempts yet	1s	1024 MB	Judgeable
The Start of the AdventureGiven N weapons with prices and attack powers, the task is to check whether one affordable weapon has attack power above Huan's S.	Easy1	ImplementationBrute force	No attempts yet	1s	917 MB	Judgeable
Unit TestGiven the two top numbers and the bottom number of a circle with one blank (0), print the positive integer for the blank so the top pair sums to the bottom number squared.	Easy1	MathImplementation	No attempts yet	1s	1024 MB	Judgeable
Treating Freshmen to Cafeteria MealsGiven N menu prices and M counter choices, the task is to print the sum of the prices each freshman picks.	Easy1	ImplementationArray	No attempts yet	1s	1024 MB	Judgeable
Retaking a CourseGiven a course code and a list of course codes, count how many share the same first 5 characters as the given code.	Easy1	StringImplementation	No attempts yet	1s	1024 MB	Judgeable
Finger GameGiven the finger counts of two players, decide whether the first wins (>), the second wins (<), or neither does (=) under rock, scissors, paper rules.	Easy1	ImplementationSimulation	No attempts yet	1s	1024 MB	Judgeable
Odd Even GameCount the even and odd digits of a given N-digit number K and print 0 if evens are more, 1 if odds are more, or -1 if they are equal.	Easy1	StringImplementation	No attempts yet	1s	1024 MB	Judgeable
Printing GISTGiven K, print the 3x4 GIST picture with each cell enlarged into a K by K block.	Easy1	ImplementationSimulation	No attempts yet	1s	1024 MB	Judgeable
The Contest Is Mine NowGiven prizes A, P, and C, find the larger of A + C (Division 1, then 2024 shake!) and P (Division 2 alone).	Easy1	Implementation	No attempts yet	1s	1024 MB	Judgeable
Going to SchoolGiven N buses with departure time S and travel time T, find the latest departure among buses where S + T is at most X, or print -1 if none qualify.	Easy1	ImplementationArray	No attempts yet	1s	1024 MB	Judgeable