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Problem Category Points AC % ▴ Users
CEOI '17 P2 - Sure Bet CEOI 10p 35.8% 81
COCI '16 Contest 5 #2 Pareto COCI 5p 35.8% 35
IOI '00 P4 - Walls IOI 12 35.9% 224
Educational DP Contest AtCoder P - Independent Set Uncategorized 12 35.9% 311
List Minimum (Hard) Uncategorized 5 35.9% 1664
WC '17 Contest 3 S1 - Mutual Friends Woburn Challenge 10p 35.9% 49
Richmond Green P1 - HSIUNG Uncategorized 5p 35.9% 146
ECOO '13 R3 P2 - Mutant Children ECOO 10p 35.9% 12
DMOJ Capture The Flag '20 C2 - Small RSA CTF 5 35.9% 98
COCI '23 Contest 2 #4 Kuglice COCI 12p 35.9% 35
Valentine's Day '18 J1 - The Cactus Number Mock CCC 3p 35.9% 208
DMOPC '19 Contest 4 P1 - Valid Strings DMOPC 5p 35.9% 537
SAC '22 Code Challenge 5 P4 - Querying Intervals SAC Coding Challenge 10p 35.9% 118
IOI '10 P1 - Cluedo IOI 5p 36.0% 137
VM7WC '15 #4 Gold - Chain Rule VM7WC 10 36.0% 372
WC '18 Finals S2 - Top Billing Woburn Challenge 12p 36.0% 43
CCC '06 J5 - CCC Othello CCC 10p 36.0% 228
SAC '21 Code Challenge P2 - Littering SAC Coding Challenge 5p 36.0% 262
Mock CCC '18 Contest 3 J3/S1 - A String Problem Mock CCC 5p 36.0% 352
RTE '16 J3 - Mule Wars Uncategorized 5p 36.0% 57
Summer Institute '17 Contest 1 P3 - CEO Queue SIUCF 15 36.0% 6
COCI '10 Contest 4 #5 Dugovi COCI 12p 36.0% 20
COCI '12 Contest 4 #2 Esej COCI 5 36.0% 35
VMSS '15 #4 - Frank and Roads VM7WC 10 36.0% 463
CCC '11 S3 - Alice Through the Looking Glass CCC 10p 36.0% 1195
SAC '22 Code Challenge 4 P1 - Obligatory Car Problem SAC Coding Challenge 3 36.0% 210
COCI '21 Contest 6 #3 Naboj COCI 10p 36.0% 113
Mock CCC '19 Contest 1 J1 - Pusheen's Report Card Mock CCC 3p 36.1% 962
DWITE '12 R1 #1 - Candy Piles DWITE 3 36.1% 89
CCO '03 P2 - Concentration Cards CCO 15 36.1% 31
CCC '21 J3 - Secret Instructions CCC 5p 36.1% 2513
MWC '15 #2 P5: Watchmeblink1 MWC 7 36.1% 53
COCI '13 Contest 2 #3 Slom COCI 7p 36.1% 47
Another Sorting Uncategorized 5p 36.1% 429
Cheerio Contest 2 P1 - Cow Pasture Uncategorized 3p 36.1% 41
Another Contest 4 Problem 11 - Three Rectangles ACC 0 36.1% 53
Valentine's Day '18 J4 & S1 - Carol's Cute Cactus Mock CCC 7 36.1% 191
ACM U of T Tryouts C2 A - The Super Mario Blues ICPC 5 36.1% 301
COCI '11 Contest 6 #4 Rez COCI 10p 36.2% 29
CCC '07 S1 - Federal Voting Age CCC 3 36.2% 2327
DMPG '15 S3 - Zen Garden DMOPC 7p 36.2% 295
CCO '96 P2 - SafeBreaker CCO 10 36.2% 89
CCO '17 P4 - Rainfall Storage CCO 20p 36.2% 177
Graph Contest 2 P1 - Connected Components Uncategorized 7 36.2% 250
CCO '14 P2 - King Gruff CCO 15p 36.2% 253
CCO '16 P4 - O Canada CCO 10p 36.2% 264
DWITE '09 R2 #3 - Binary Test String DWITE 5 36.2% 38
Canada Day Contest 2021 - CCC Bad Haha Seasonal 12 36.2% 248
XOR Minimum Uncategorized 17p 36.2% 135
COCI '11 Contest 1 #5 Sort COCI 12p 36.2% 30