Archive for the ‘Problems and Problem Sets’ Category

Here are the statements of the 2024 Big South Division 1 Programming Contest.

A: Welcome Sign

Submissions: 203
Solutions: 154
data accepted
B: Triangles of a Square

Submissions: 223
Solutions: 147
data accepted
C: City Bike

Submissions: 76
Solutions: 14
data accepted
D: Duel of Cards

Submissions: 304
Solutions: 142
data accepted
E: Elevated Rails

Submissions: 179
Solutions: 65
data accepted
F: Finding Keys

Submissions: 86
Solutions: 16
data accepted
G: Intergalactic Team

Submissions: 297
Solutions: 48
data accepted
H: Herb Mixing

Submissions: 189
Solutions: 157
data accepted
I: Island Memories

Submissions: 91
Solutions: 11
data accepted
J: Perfect Squares

Submissions: 83
Solutions: 8
data accepted
K: Optimized Cheating

Submissions: 282
Solutions: 75
data accepted
L: Pianissimo

Submissions: 331
Solutions: 81
data accepted
M: Virtual Reality Playspace

Submissions: 35
Solutions: 13
data accepted
Saturday, November 16th, 2024 at 19:32 | 0 comments
Categories: 2024 Regionals
Tags:

Here are the statements of the 2024 Big South Division 2 Programming Contest.

A: Welcome Sign

Submissions: 159
Solutions: 95
data accepted
B: Triangles of a Square

Submissions: 138
Solutions: 62
data accepted
C: Traffic Lights

Submissions: 110
Solutions: 43
data accepted
D: Duel of Cards

Submissions: 180
Solutions: 41
data accepted
E: Which One is Larger

Submissions: 296
Solutions: 78
data accepted
F: Office Building

Submissions: 28
Solutions: 15
data accepted
G: Intergalactic Team

Submissions: 36
Solutions: 0
data accepted
H: Herb Mixing

Submissions: 175
Solutions: 108
data accepted
I: Island Memories

Submissions: 19
Solutions: 0
data accepted
J: Perfect Squares

Submissions: 28
Solutions: 0
data accepted
K: Optimized Cheating

Submissions: 32
Solutions: 0
data accepted
L: Pianissimo

Submissions: 45
Solutions: 0
data accepted
M: Memories of Passport Stamps

Submissions: 30
Solutions: 2
data accepted
Saturday, November 16th, 2024 at 19:27 | 0 comments
Categories: 2024 Regionals
Tags:

Here are the statements of the 2024 ICPC North America Qualifier.

 

A: Balatro

Submissions: 261
Solutions: 5
data accepted

explanation

B: Bikes and Barricades

Submissions: 2207
Solutions: 851
data accepted

explanation

C: Call for Problems

Submissions: 1349
Solutions: 1002
data accepted

explanation

D: Colorful Trees

Submissions: 402
Solutions: 104
data accepted

explanation

E: Dishonest Lottery

Submissions: 2072
Solutions: 898
data accepted

explanation

F: Ellipse Eclipse

Submissions: 422
Solutions: 179
data accepted

explanation

G: Gears and Axles

Submissions: 1037
Solutions: 416
data accepted

explanation

H: Genetic Reconstruction

Submissions: 96
Solutions: 3
data accepted

explanation

I: Light Up

Submissions: 1403
Solutions: 633
data accepted

explanation

J: Menger Sponge

Submissions: 775
Solutions: 249
data accepted

explanation

K: Rhythm Flow

Submissions: 1139
Solutions: 390
data accepted

explanation

L: Snake

Submissions: 242
Solutions: 31
data accepted

explanation

Saturday, October 5th, 2024 at 19:06 | 0 comments
Categories: 2024 NAQ
Tags:

Here are the statements of the 2024 ICPC North America Championship.

Solution outlines are here. Dihedral Group is here.

A: Arrested Development

Submissions: 89
Solutions: 47
data accepted
B: Champernowne Substring

Submissions: 9
Solutions: 3
data accepted
C: Comparator

Submissions: 39
Solutions: 7
data accepted
D: Dihedral Group

Submissions: 55
Solutions: 50
data accepted
E: House Deconstruction

Submissions: 0
Solutions: 0
data accepted
F: Magic Bean Cube

Submissions: 10
Solutions: 2
data accepted
G: Manhattan Walk

Submissions: 52
Solutions: 46
data accepted
H: MountainCraft

Submissions: 72
Solutions: 33
data accepted
I: Not Another Constructive!

Submissions: 53
Solutions: 30
data accepted
J: Passport Stamps

Submissions: 143
Solutions: 49
data accepted
K: Shadow Line

Submissions: 31
Solutions: 0
data accepted
L: Square of Triangles

Submissions: 49
Solutions: 0
data accepted
M: Training, Round 2

Submissions: 145
Solutions: 28
data accepted
Wednesday, May 29th, 2024 at 21:41 | 0 comments
Categories: 2024 NAC
Tags:

Here are the statements of the 2023 ICPC Big South Division 1 contest.

A: ABC String

SE SC MA OV
Submissions: 71 92 144 307
Solutions: 28 20 47 95
data accepted
B: Balanced Tree Path

SE SC MA OV
Submissions: 38 42 69 149
Solutions: 12 13 14 39
data accepted
C: Cramming for Finals

SE SC MA OV
Submissions: 17 35 23 75
Solutions: 2 1 3 6
data accepted
D: Ordered Problem Set

SE SC MA OV
Submissions: 49 55 107 211
Solutions: 31 29 63 123
data accepted
E: Eccentric Excursion

SE SC MA OV
Submissions: 2 2 1 5
Solutions: 0 0 0 0
data accepted
F: Matrix Fraud

SE SC MA OV
Submissions: 10 23 14 47
Solutions: 1 6 2 9
data accepted
G: On-Call Team

SE SC MA OV
Submissions: 22 19 27 68
Solutions: 4 3 5 12
data accepted
H: Range Editing

SE SC MA OV
Submissions: 53 30 46 129
Solutions: 4 4 4 12
data accepted
I: Item Selection

SE SC MA OV
Submissions: 124 96 211 431
Solutions: 23 19 39 81
data accepted
J: Sequence Guessing

SE SC MA OV
Submissions: 26 39 31 96
Solutions: 5 8 9 22
data accepted
K: Streets Behind

SE SC MA OV
Submissions: 133 123 377 633
Solutions: 17 13 18 48
data accepted
L: Segment Drawing

SE SC MA OV
Submissions: 1 0 2 3
Solutions: 0 0 0 0
data accepted
M: Champernowne Verification

SE SC MA OV
Submissions: 37 39 73 149
Solutions: 34 32 67 133
data accepted
Tuesday, February 27th, 2024 at 20:11 | 0 comments
Categories: 2023 Regionals
Tags:

Here are the statements of the 2023 ICPC Big South Division 2 contest.

A: ABC String

SE SC MA OV
Submissions: 53 0 51 104
Solutions: 5 0 4 9
data accepted
B: Balanced Tree Path

SE SC MA OV
Submissions: 7 0 6 13
Solutions: 1 0 2 3
data accepted
C: A Cappella Recording

SE SC MA OV
Submissions: 85 11 72 168
Solutions: 16 2 28 46
data accepted
D: Ordered Problem Set

SE SC MA OV
Submissions: 28 4 38 70
Solutions: 15 2 24 41
data accepted
E: Acceptable Seating Arrangements

SE SC MA OV
Submissions: 4 0 3 7
Solutions: 0 0 0 0
data accepted
F: Four Die Rolls

SE SC MA OV
Submissions: 99 13 68 180
Solutions: 34 3 40 77
data accepted
G: Rampant Growth

SE SC MA OV
Submissions: 30 3 40 73
Solutions: 17 2 26 45
data accepted
H: Triple Sevens

SE SC MA OV
Submissions: 56 11 59 126
Solutions: 43 3 46 92
data accepted
I: Item Selection

SE SC MA OV
Submissions: 25 0 43 68
Solutions: 2 0 4 6
data accepted
J: Sequence Guessing

SE SC MA OV
Submissions: 16 0 8 24
Solutions: 1 0 1 2
data accepted
K: Streets Behind

SE SC MA OV
Submissions: 65 12 91 168
Solutions: 1 0 1 2
data accepted
L: Training

SE SC MA OV
Submissions: 58 15 62 135
Solutions: 40 3 43 86
data accepted
M: Champernowne Verification

SE SC MA OV
Submissions: 49 3 60 112
Solutions: 38 3 45 86
data accepted
Tuesday, February 27th, 2024 at 19:18 | 0 comments
Categories: 2023 Regionals
Tags:

Here are the statements of the 2023 ICPC North America Qualifier.

A: Contest Advancement

Fall Spring
Submissions: 2273 741
Solutions: 456 181
data accepted
B: Digit Translation

Fall Spring
Submissions: 1113 349
Solutions: 179 56
data accepted
C: Don’t Hunger Together

Fall Spring
Submissions: 1000 378
Solutions: 105 42
data accepted
D: Garden of Thorns

Fall Spring
Submissions: 337 110
Solutions: 99 46
data accepted
E: ICPC Team Generation

Fall Spring
Submissions: 806 299
Solutions: 227 108
data accepted
F: Is Y a Vowel?

Fall Spring
Submissions: 798 292
Solutions: 650 252
data accepted
G: Lines Per Hour

Fall Spring
Submissions: 1329 490
Solutions: 601 243
data accepted
H: Magnesium Supplementation

Fall Spring
Submissions: 2071 863
Solutions: 372 149
data accepted
I: Missing Number

Fall Spring
Submissions: 892 377
Solutions: 147 64
data accepted
J: Tip of Your Tongue

Fall Spring
Submissions: 584 211
Solutions: 72 29
data accepted
K: Very Important Edge

Fall Spring
Submissions: 214 101
Solutions: 26 9
data accepted
L: Water Journal

Fall Spring
Submissions: 1324 458
Solutions: 589 229
data accepted
Saturday, January 27th, 2024 at 19:05 | 0 comments
Categories: 2023 NAQ
Tags:

Here are the statements of the 2023 ICPC North America Championship.

Solution outlines are here.

A: Allergen Testing

Submissions: 154
Solutions: 34
data accepted
B: A Tree and Two Edges

Submissions: 38
Solutions: 16
data accepted
C: Broken Minimum Spanning Tree

Submissions: 109
Solutions: 31
data accepted
D: Fail Fast

Submissions: 7
Solutions: 0
data accepted
E: First Last

Submissions: 20
Solutions: 3
data accepted
F: Four Square

Submissions: 112
Solutions: 50
data accepted
G: Frequent Flier

Submissions: 84
Solutions: 49
data accepted
H: Game Show Elimination

Submissions: 7
Solutions: 0
data accepted
I: Power of Divisors

Submissions: 95
Solutions: 51
data accepted
J: Repetitive String Invention

Submissions: 30
Solutions: 11
data accepted
K: Space Alignment

Submissions: 142
Solutions: 48
data accepted
L: Splitting Pairs

Submissions: 41
Solutions: 17
data accepted
M: Who Watches the Watchmen?

Submissions: 17
Solutions: 1
data accepted
Thursday, June 8th, 2023 at 21:13 | 0 comments
Categories: 2023 NAC
Tags:

Here are the statements of the 2022 ICPC Southeast USA Regional Division 1.

Solution outlines are here.

Note: Submissions/Solutions are for the entire Southern Conference.

A: Fading Wind

Submissions: 231
Solutions: 143
data accepted
B: Creative Accounting

Submissions: 319
Solutions: 67
data accepted
C: Chocolate Chip Fabrication

Submissions: 302
Solutions: 71
data accepted
D: Counting Satellites

Submissions: 58
Solutions: 3
data accepted
E: Exponent Exchange

Submissions: 44
Solutions: 8
data accepted
F: Family Visits

Submissions: 276
Solutions: 53
data accepted
G: Eroding Pillars

Submissions: 54
Solutions: 12
data accepted
H: Triangle Containment

Submissions: 61
Solutions: 13
data accepted
I: Color Tubes

Submissions: 51
Solutions: 11
data accepted
J: Three Dice

Submissions: 76
Solutions: 26
data accepted
K: Lone Knight

Submissions: 13
Solutions: 0
data accepted
L: Branch Manager

Submissions: 162
Solutions: 36
data accepted
M: Alchemy

Submissions: 282
Solutions: 23
data accepted
Friday, March 3rd, 2023 at 18:13 | 0 comments
Categories: 2022 Regionals
Tags:

Here are the statements of the 2022 ICPC Southeast USA Regional Division 2 Problem Set.

Solution outlines are here.

Note: Submissions/Solutions are for the entire Southern Conference.

A: Blueberry Waffle

Submissions: 256
Solutions: 106
data accepted
B: Fading Wind

Submissions: 142
Solutions: 108
data accepted
C: Creative Accounting

Submissions: 35
Solutions: 4
data accepted
D: Chocolate Chip Fabrication

Submissions: 101
Solutions: 9
data accepted
E: Everything Is A Nail

Submissions: 70
Solutions: 9
data accepted
F: Family Visits

Submissions: 88
Solutions: 3
data accepted
G: Streets Ahead

Submissions: 209
Solutions: 83
data accepted
H: Sun and Moon

Submissions: 203
Solutions: 91
data accepted
I: Color Tubes

Submissions: 9
Solutions: 0
data accepted
J: Three Dice

Submissions: 16
Solutions: 2
data accepted
K: Food Processor

Submissions: 81
Solutions: 5
data accepted
L: Branch Manager

Submissions: 13
Solutions: 1
data accepted
M: Alchemy

Submissions: 109
Solutions: 0
data accepted
Friday, March 3rd, 2023 at 17:54 | 0 comments
Categories: 2022 Regionals
Tags:

Here are the statements of the 2022 North America Qualifier.

Solution outlines are here.

A: Beast Bullies

Submissions: 1597
Solutions: 271
beastbullies_data accepted
B: Birthday Gift

Submissions: 115
Solutions: 41
birthdaygift_data accepted
C: Class Field trip

Submissions: 1045
Solutions: 715
classfieldtrip_data accepted
D: Ghost Leg

Submissions: 832
Solutions: 648
ghostleg_data accepted
E: Mazeman

Submissions: 1212
Solutions: 399
mazeman_data accepted
F: Metronome

Submissions: 949
Solutions: 721
metronome_data accepted
G: Movie Night

Submissions: 668
Solutions: 136
movienight_data accepted
H: Platform Placing

Submissions: 597
Solutions: 189
platformplacing_data accepted
I: Problem Pool

Submissions: ?
Solutions: ?
Removed Removed
J: Room Evacuation

Submissions: 270
Solutions: 57
roomevacuation_data accepted
K: Smallest Calculated Value

Submissions: 1852
Solutions: 622
smallestcalculatedvalue_data accepted
L: Spidey Distance

Submissions: 1166
Solutions: 196
spideydistance_data accepted
M: Toll Roads

Submissions: 399
Solutions: 81
tollroads_data accepted
Saturday, February 4th, 2023 at 19:05 | 0 comments
Categories: 2022 NAQ
Tags:

Here are the statements of the 2022 North America Championship

A: Contact Tracing

Submissions: 102
Solutions: 44
data accepted
B: Cookie Cutter

Submissions: 33
Solutions: 3
data accepted
C: Cram

Submissions: 8
Solutions: 6
data accepted
D: Double Sort

Submissions: 4
Solutions: 1
data accepted
E: GCD Harmony

Submissions: 152
Solutions: 32
data accepted
F: Leaderboard Effect

Submissions: 32
Solutions: 14
data accepted
G: Rafting Trip

Submissions: 77
Solutions: 22
data accepted
H: Ranked Choice Spoiling

Submissions: 20
Solutions: 1
data accepted
I: Reset

Submissions: 53
Solutions: 5
data accepted
J: Tic Tac Toe Counting

Submissions: 72
Solutions: 49
data accepted
K: Transparency

Submissions: 3
Solutions: 3
data accepted
L: Triangular Logs

Submissions: 81
Solutions: 11
data accepted
M: Word Ladder

Submissions: 78
Solutions: 47
data accepted
Monday, May 30th, 2022 at 19:23 | 0 comments
Categories: 2022 NAC
Tags:

Here are the statements of the 2021 Division 1

 

A: Black and White

Submissions: 23
Solutions: 10
data accepted
B: Circle Bounce

Submissions: 7
Solutions: 4
data accepted
C: Diagonals

Submissions: 9
Solutions: 2
data accepted
D: Dorm Room Divide

Submissions: 75
Solutions: 4
data accepted
E: Fail Them All!

Submissions: 10
Solutions: 3
data accepted
F: Hopscotch 500

Submissions: 49
Solutions: 7
data accepted
G: Shortest Missing Subsequences

Submissions: 10
Solutions: 3
data accepted
H: Tetris Generation

Submissions: 97
Solutions: 24
data accepted
I: Tournament Seeding

Submissions: 37
Solutions: 22
data accepted
J: Tree Hopping

Submissions: 53
Solutions: 16
data accepted
K: XOR Island

Submissions: 4
Solutions: 2
data accepted
Saturday, March 5th, 2022 at 20:23 | 0 comments
Categories: 2021 Regionals
Tags:

Here are the statements of the 2021 Division 2

A: Average Character

Submissions: 56
Solutions: 32
data accepted
B: Black and White

Submissions: 5
Solutions: 0
data accepted
C: Diagonals

Submissions: 1
Solutions: 0
data accepted
D: Dorm Room Divide

Submissions: 11
Solutions: 1
data accepted
E: Double Password

Submissions: 43
Solutions: 33
data accepted
F: Overdraft

Submissions: 68
Solutions: 32
data accepted
G: Rise and Fall

Submissions: 98
Solutions: 15
data accepted
H: Square Bounce

Submissions: 9
Solutions: 3
data accepted
I: Tetris Generation

Submissions: 44
Solutions: 9
data accepted
J: Tournament Seeding

Submissions: 13
Solutions: 1
data accepted
K: Tree Hopping

Submissions: 11
Solutions: 0
data accepted
L: Who Goes There?

Submissions: 114
Solutions: 19
data accepted
Saturday, March 5th, 2022 at 20:19 | 0 comments
Categories: 2021 Regionals
Tags:

Here are the statements of the ICPC North America Championship 2021

 

 

A: AND Permutation

Submissions: 47
Solutions: 2
data accepted and permutation solution
B: Apple Orchard

Submissions: 1
Solutions: 4
data accepted AppleOrchard
C: Cleaning Robot

Submissions: 142
Solutions: 33
data accepted CleaningRobot2
D: Contest Construction

Submissions: 59
Solutions: 48
data accepted
E: Ketek Counting

Submissions: 11
Solutions: 2
data accepted ketek counting solution
F: Mountainous Palindromic Subarray

Submissions: 82
Solutions: 48
data accepted
G: Permutation CFG

Submissions: 8
Solutions: 2
data accepted permutation cfg solution
H: Special Cycle

Submissions: 5
Solutions: 0
data accepted SpecialCycle
I: The King’s Guards

Submissions: 3
Solutions: 1
data accepted
J: The Paladin

Submissions: 97
Solutions: 47
data accepted
K: Token Game

Submissions: 7
Solutions: 2
data accepted TokenGame
L: TraveLog

Submissions: 183
Solutions: 32
data accepted TraveLog
M: You Be the Judge, Again

Submissions: 82
Solutions: 48
data accepted

 

Saturday, August 14th, 2021 at 17:29 | 0 comments
Categories: 2021 NAC, 2021 NADC
Tags:

Here are the statements of the 2021 North America Division Championships

 

 

A: Alien Microwave

Submissions: 182
Solutions: 65
data accepted Explanation
B: Another Substring Query Problem

Submissions: 455
Solutions: 39
data accepted Explanation
C: Borders

Submissions: 230
Solutions: 45
data accepted Explanation
D: Circle of Friends

Submissions: 69
Solutions: 12
data accepted Explanation
E: Finding Polly

Submissions: 52
Solutions: 1
data accepted Explanation
F: Investigating Imposters

Submissions: 360
Solutions: 109
data accepted Explanation
G: Laptop Sticker

Submissions: 197
Solutions: 168
data accepted Explanation
H: Longest Common Substring

Submissions: 565
Solutions: 143
data accepted Explanation
I: Simple Cron Spec

Submissions: 246
Solutions: 162
data accepted Explanation
J: Surveillance

Submissions: 36
Solutions: 4
data accepted Explanation
K: Train Line

Submissions: 70
Solutions: 3
data accepted Explanation
L: Window Shopping

Submissions: 12
Solutions: 1
data accepted Explanation
M: You Be the Judge!

Submissions: 871
Solutions: 144
data accepted Explanation

 

Thursday, April 22nd, 2021 at 23:13 | 0 comments
Categories: 2021 NADC
Tags:

Here is the 2021 NADC Problem Set

Wednesday, April 21st, 2021 at 20:11 | 0 comments
Categories: 2021 NADC
Tags:
Saturday, April 17th, 2021 at 20:00 | 0 comments
Categories: 2021 NADC
Tags:

Here are the statements of the 2020 Southeast USA Regional

 

A: Ant Typing

Submissions: 80
Solutions: 17
data accepted
B: Bad Packing

Submissions: 96
Solutions: 10
data accepted
C: Bitonic Ordering

Submissions: 23
Solutions: 7
data accepted
D: Condorcet

Submissions: 19
Solutions: 2
data accepted
E: Dominating Duos

Submissions: 124
Solutions: 21
data accepted
F: Exam Manipulation

Submissions: 171
Solutions: 42
data accepted
G: Exciting Tournament

Submissions: 13
Solutions: 4
data accepted
H: Kth Subtree

Submissions: 25
Solutions: 4
data accepted
I: Longest Common Subsequence

Submissions: 47
Solutions: 23
data accepted
J: Magic Trick

Submissions: 95
Solutions: 81
data accepted
K: Missing Number

Submissions: 211
Solutions: 71
data accepted
L: Rainbow Numbers

Submissions: 88
Solutions: 17
data accepted
M: Rating Problems

Submissions: 89
Solutions: 80
data accepted
N: Triangular Collection

Submissions: 83
Solutions: 27
data accepted
O: TripTik

Submissions: 24
Solutions: 7
data accepted
P: Unread Messages

Submissions: 196
Solutions: 49
data accepted
Saturday, March 6th, 2021 at 17:16 | 0 comments
Categories: 2020 Regionals
Tags:

Download them se2020

Saturday, March 6th, 2021 at 14:00 | 0 comments
Tags: