User a_ch

Points breakdown

100 / 100

AC | C++20

IOI '14 P3 - Game

on Nov. 1, 2024, 1:45 a.m.

20pp

weighted 100% (20pp)

100 / 100

AC | C++20

Fibonacci Sequence

on Oct. 27, 2024, 5:56 p.m.

15pp

weighted 95% (14pp)

100 / 100

AC | C++20

The Torture Chamber

on Sept. 23, 2024, 2:26 a.m.

15pp

weighted 90% (14pp)

21 / 21

AC | C++20

Summer Institute '17 Contest 1 P5 - Crazy Math

on Aug. 13, 2024, 5:32 a.m.

15pp

weighted 86% (13pp)

100 / 100

AC | C++20

Primes 2

on Aug. 8, 2024, 8:12 p.m.

15pp

weighted 81% (12pp)

100 / 100

AC | C++20

TLE '15 P4 - Olympiads Homework

on June 30, 2024, 4:30 a.m.

12pp

weighted 77% (9.3pp)

100 / 100

AC | JAVA8

Segment Tree Practice 1

on May 24, 2024, 1:25 a.m.

12pp

weighted 74% (8.8pp)

935 / 935

AC | C++20

A Plus B (Hard)

on May 21, 2024, 6:09 p.m.

12pp

weighted 70% (8.4pp)

100 / 100

AC | C++20

Educational DP Contest AtCoder G - Longest Path

on Dec. 3, 2024, 4:34 a.m.

10pp

weighted 66% (6.6pp)

100 / 100

AC | C++20

DMOPC '15 Contest 6 P4 - Line Graph

on Dec. 1, 2024, 4:29 a.m.

10pp

weighted 63% (6.3pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 3 P1 - Monkey Shopping	3 / 3

Problem	Score
CCC '00 J2 - 9966	3 / 3
CCC '00 S1 - Slot Machines	5 / 5
CCC '01 S3 - Strategic Bombing	7 / 7
CCC '01 S4 - Cookies	10 / 10
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '03 S2 - Poetry	5 / 5
CCC '03 S5 - Trucking Troubles	1.875 / 10
CCC '04 J1 - Squares	3 / 3
CCC '04 J3 - Smile with Similes	3 / 3
CCC '05 J5 - Bananas	10 / 10
CCC '06 J1 - Canadian Calorie Counting	3 / 3
CCC '07 J1 - Who is in the Middle?	3 / 3
CCC '07 J4 - Anagram Checker	5 / 5
CCC '07 S3 - Friends	7 / 7
CCC '08 J1 - Body Mass Index	3 / 3
CCC '08 S1 - It's Cold Here!	5 / 5
CCC '09 J1 - ISBN	3 / 3
CCC '09 S1 - Cool Numbers	5 / 5
CCC '09 S3 - Degrees Of Separation	10 / 10
CCC '09 S4 - Shop and Ship	10 / 10
CCC '10 J1 - What is n, Daddy?	3 / 3
CCC '10 J5 - Knight Hop	7 / 7
CCC '11 J1 - Which Alien?	3 / 3
CCC '11 J3 - Sumac Sequences	5 / 5
CCC '11 J5 - Unfriend	7 / 7
CCC '11 S1 - English or French?	5 / 5
CCC '11 S2 - Multiple Choice	3 / 3
CCC '12 J1 - Speed fines are not fine!	3 / 3
CCC '13 J1 - Next in line	3 / 3
CCC '13 J2 - Rotating letters	3 / 3
CCC '13 J4 - Time on task	5 / 5
CCC '13 S1 - From 1987 to 2013	5 / 5
CCC '14 J1 - Triangle Times	3 / 3
CCC '14 J2 - Vote Count	3 / 3
CCC '14 J3 - Double Dice	3 / 3
CCC '14 S1 - Party Invitation	5 / 5
CCC '14 S2 - Assigning Partners	5 / 5
CCC '15 J1 - Special Day	3 / 3
CCC '15 J2 - Happy or Sad	3 / 3
CCC '15 J3 - Rövarspråket	3.750 / 5
CCC '15 S3 - Gates	10 / 10
CCC '16 J1 - Tournament Selection	3 / 3
CCC '17 J1 - Quadrant Selection	3 / 3
CCC '17 J2 - Shifty Sum	3 / 3
CCC '18 J1 - Telemarketer or not?	3 / 3
CCC '18 J2 - Occupy parking	3 / 3
CCC '18 J5 - Choose your own path	7 / 7
CCC '19 J1 - Winning Score	3 / 3
CCC '19 J2 - Time to Decompress	3 / 3
CCC '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	5 / 5
CCC '20 J1 - Dog Treats	3 / 3
CCC '20 J4 - Cyclic Shifts	5 / 5
CCC '20 S2 - Escape Room	8.667 / 10
CCC '21 J3 - Secret Instructions	5 / 5
CCC '21 J4 - Arranging Books	0.467 / 7
CCC '23 J1 - Deliv-e-droid	3 / 3
CCC '23 J2 - Chili Peppers	3 / 3
CCC '24 J1 - Conveyor Belt Sushi	3 / 3
CCC '24 J2 - Dusa And The Yobis	3 / 3
CCC '24 J3 - Bronze Count	5 / 5
CCC '24 J5 - Harvest Waterloo	7 / 7
CCC '24 S1 - Hat Circle	3 / 3
CCC '24 S2 - Heavy-Light Composition	5 / 5
CCC '96 S1 - Deficient, Perfect, and Abundant	5 / 5
CCC '96 S2 - Divisibility by 11	7 / 7
CCC '98 S1 - Censor	5 / 5

Problem	Score
CCO '00 P4 - Packet Routing	7 / 7
CCO '96 P5 - All Roads Lead Where?	7 / 7
CCO '98 P1 - Fibonacci Numbers	7 / 7

Problem	Score
Sorting	3 / 3
Next Prime	5 / 5
Longest Common Subsequence	7 / 7
Modular Multiplicative Inverse	7 / 7
Quine	10 / 10
Single Source Shortest Path	7 / 7

Problem	Score
COCI '06 Contest 1 #1 Modulo	3 / 3
COCI '09 Contest 7 #2 Cokolada	7 / 7
COCI '11 Contest 6 #4 Rez	10 / 10
COCI '14 Contest 2 #2 Utrka	5 / 5
COCI '15 Contest 4 #3 Deathstar	7 / 7
COCI '20 Contest 6 #2 Alias	10 / 10

User a_ch

Points breakdown

AAC (9 points)

ACC (7 points)

CCC (302.759 points)

CCO (21 points)

China NOI (10 points)

Classics (39 points)

COCI (42 points)

Data Structure Tests (12 points)

DMOPC (113.100 points)

DWITE (31 points)

EGOI (1.540 points)

FHC (10 points)

GFSSOC (22 points)

ICPC (3 points)

IOI (20.400 points)

Mock CCC (32 points)

MWC (0.700 points)

SAC Coding Challenge (17 points)

Seasonal (28.700 points)

SIUCF (15 points)

TLE (19 points)

Uncategorized (333.269 points)

VM7WC (59 points)

Waterloo Local (3 points)

Woburn Challenge (32 points)

Problem	Score
DMOPC '14 Contest 2 P5 - Sawmill Scheme	6 / 10
DMOPC '14 Contest 3 P4 - Not Enough Testers!	10 / 10
DMOPC '14 Contest 5 P1 - Core Drill	3 / 3
DMOPC '15 Contest 4 P4 - Great Sequence	10 / 10
DMOPC '15 Contest 6 P4 - Line Graph	10 / 10
DMOPC '15 Contest 7 P2 - Not a Wall of Text	3 / 3
DMOPC '16 Contest 2 P2 - Ebola Outbreak	7 / 7
DMOPC '16 Contest 2 P4 - Zeros	3.500 / 7
DMOPC '17 Contest 1 P3 - Hitchhiking Fun	5.600 / 7
DMOPC '17 Contest 5 P3 - Mimi and Primes	7 / 7
DMOPC '18 Contest 2 P3 - Thanksgiving Feast	10 / 10
DMOPC '18 Contest 3 P2 - Bob and French Class	7 / 7
DMOPC '18 Contest 6 P3 - Wish Upon a Star	10 / 10
DMOPC '19 Contest 6 P2 - Grade 10 Math	7 / 7
DMOPC '19 Contest 7 P1 - Hydrocarbons	7 / 7
DMPG '17 S2 - Anime Conventions	7 / 7

Problem	Score
DWITE '06 R5 #5 - Prime Palindromes	10 / 10
DWITE '07 R2 #5 - Bridges In A Graph	7 / 7
DWITE '09 R4 #4 - Autocomplete	7 / 7
DWITE '11 R2 #5 - Portals Check	7 / 7

Problem	Score
GFSS Christmas Challenge P1 - Arithmetic Operators	3 / 3
GFSSOC '14 Winter J5 - Pursuit of Knowledge	10 / 10
GFSSOC '15 Fall J4 - Marathon	7 / 7
GFSSOC '15 Fall S3 - System(0);	2 / 10

Problem	Score
IOI '13 P2 - Art Class (Standard I/O)	0.400 / 20
IOI '14 P3 - Game	20 / 20

Problem	Score
Mock CCC '20 Contest 1 J1 - A Rage Tree Problem	3 / 3
Mock CCC '23 Contest 1 J1 - Final Velocity	3 / 3
Mock CCC '18 Contest 1 J1 - A String Problem	3 / 3
Mock CCC '18 Contest 2 J1 - An Arithmetic Problem	3 / 3
Mock CCC '18 Contest 2 J3/S1 - An Array Problem	7 / 7
Mock CCC '18 Contest 5 J1 - Looking for the CCC	3 / 3
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity	7 / 7
Mock CCC '19 Contest 1 J1 - Pusheen's Report Card	3 / 3

Problem	Score
SAC '21 Code Challenge P5 - Friends of Friends	7 / 7
SAC '22 Code Challenge 5 P4 - Querying Intervals	10 / 10

Problem	Score
Back To School '18: Letter Frequency	0.700 / 7
Piggy	7 / 7
Too Simple	7 / 7
Is it a Tree?	7 / 7
New Year's '17 P1 - Mr. N and Presents	7 / 7

Problem	Score
Factorial Calculator	7 / 7
TLE '15 P4 - Olympiads Homework	12 / 12

Problem	Score
16 BIT S/W ONLY	3 / 3
Mispelling	3 / 3
Triple Fat Ladies	5 / 5
Appleby Contest '19 P2 - The Love Letter	5 / 5
Appleby Contest '20 P1 - Terrific Triangles	3 / 3
Sum of Primes 2	5 / 5
Amplitude Hackathon '23 Problem 4 - Frequency Queries	7 / 7
Amplitude Hackathon '23 Practice Problem 2 - Go Amplitude!	4 / 5
A Plus B	3 / 3
A Plus B (Hard)	12 / 12
A Times B	0.700 / 20
Adding Reversed Numbers	5 / 5
List Minimum	3 / 3
Boolean	3 / 3
3n+1	3 / 3
More German Nouns	7 / 7
Longest Increasing Subsequence	7 / 7
Educational DP Contest AtCoder G - Longest Path	10 / 10
Educational DP Contest AtCoder I - Coins	10 / 10
Exam Prep	7 / 7
Fast Factorial Calculator	7 / 7
Fast Factorial Calculator 2	1 / 20
Fibonacci Sequence	15 / 15
Troubling Triangles	7 / 7
GlobeX Cup '18 J4 - Magical Functions	7 / 7
GlobeX Cup '18 J5 - Errands	10 / 10
Graph Contest 1 P2 - Shortest Path	5 / 5
Graph Contest 2 P1 - Connected Components	7 / 7
Graph Contest 3 P2 - Shortest Path	10 / 10
Hello, World!	3 / 3
HHPC1 P4 - Yet Another A+B Problem	10 / 10
Inaho VI	10 / 10
Intervals	2.500 / 10
A Math Contest P2 - Subsequence Sum	5 / 5
A Math Contest P7 - Factors	10 / 10
Miniature Sudoku	7 / 7
Multiplication Madness	1.050 / 7
The Odd Number	7 / 7
Path Finder	1.500 / 10
The Third Cellar	10 / 10
The Torture Chamber	15 / 15
Prime Factorization	5 / 5
Primes 2	15 / 15
RGPC '17 P2 - Cubes are Life	0.350 / 7
RTE '16 S3 - School Traversal	1.400 / 7
The Cosmic Era P3 - Battle Positions	7 / 7
Summing A Sequence	7 / 7
Jason's Theorem	0.909 / 10
Python Infinite Loop	7 / 7
Bubble Sort	7 / 7
Segment Tree Practice 1	12 / 12
Sudoku Challenge	6.860 / 7
XOR	7 / 7

Problem	Score
VMSS '15 #2 - Tomb Robbing	7 / 7
VMSS '15 #4 - Frank and Roads	10 / 10
VM7WC '15 #4 Gold - Chain Rule	10 / 10
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5
VM7WC '16 #3 Gold - Hello, Officer.	10 / 10
VM7WC '16 #5 Gold - Jayden Studies Trees	7 / 7
VM7WC '16 #6 Gold - Cold War Telecom	10 / 10

Problem	Score
WC '15 Contest 2 J1 - A New Hope	3 / 3
WC '16 Contest 1 J1 - A Spooky Season	3 / 3
WC '17 Contest 1 J2 - How's the Weather?	3 / 3
WC '17 Contest 2 J1 - The Rings of Power	3 / 3
WC '17 Contest 3 J3 - Uncrackable	5 / 5
WC '18 Contest 1 J3 - Comparing Grades	5 / 5
WC '18 Contest 4 S1 - World of StarCraft	10 / 10