Problems

Problem Category Points AC % ▾ Users
WOSS Dual Olympiad 2022 Team Round P3: Bobby and the Sidewalk Seasonal 10p 28.9% 39
WC '17 Contest 3 J3 - Uncrackable Woburn Challenge 5 28.9% 2353
Mock CCO '18 Contest 3 Problem 2 - Roger Delegates Work to Jessica Mock CCO 20p 28.9% 23
CCC '01 S5 - Post's Correspondence Problem CCC 10 28.9% 315
COCI '15 Contest 6 #3 Pianino COCI 10 28.9% 18
UCC Coding Competition '21 P4 - Trampoline Jump Uncategorized 7p 28.9% 137
QCC P1 - Quarantine Games Uncategorized 10 28.9% 37
Waterloo 2001 Fall 1 C - Babelfish Waterloo Local 5 28.9% 12
DMOPC '21 Contest 1 P1 - Partial Game DMOPC 5p 28.9% 413
NOIP '21 P2 - Sequence China NOI 20p 28.8% 60
Educational DP Contest AtCoder V - Subtree Uncategorized 20 28.8% 95
NOI '10 P1 - Energy Harvesting China NOI 17p 28.8% 68
HCI '16 - Unexpected Factorial Uncategorized 5p 28.8% 85
Waterloo 2017 Fall C - Computer Science Waterloo Local 10p 28.8% 26
HCI '16 - Totient Uncategorized 12p 28.8% 18
COCI '14 Contest 2 #2 Utrka COCI 5p 28.8% 742
UTS Open '18 P4 - Ianine's Lil Lab Uncategorized 10p 28.8% 87
COCI '17 Contest 4 #1 Rasvjeta COCI 3p 28.8% 49
COCI '23 Contest 5 #4 Rolete COCI 15p 28.8% 17
IOI '09 P3 - POI IOI 7 28.8% 527
Binary Indexed Tree Test Data Structure Tests 10p 28.8% 738
Wesley's Anger Contest 3 Problem 2 - Eat, Sleep, Code, Repeat WAC 5p 28.8% 197
Balkan OI '11 P4 - Compare Balkan OI 25p 28.8% 17
JOI '13 Open P2 - Synchronization JOI 35p 28.8% 50
DMOPC '17 Contest 4 P5 - Revised IOI DMOPC 12 28.8% 38
Another Contest 2 Problem 2 - Poutine ACC 10 28.8% 138
ICPC NEERC 2010 K - Graph Oddity ICPC 12p 28.8% 19
Breaking the Friend Chain Uncategorized 7 28.7% 183
CCC '16 S4 - Combining Riceballs CCC 15p 28.7% 930
Max's Anger Contest Series 1 P4 - Greedily Gamboling (Hard Version) Seasonal 15p 28.7% 13
ECOO '21 P1 - Many Messages ECOO 3p 28.7% 443
COCI '19 Contest 2 #3 Checker COCI 12p 28.7% 26
VM7WC '15 #1 Gold - JHK VM7WC 10 28.7% 127
ECOO '16 R1 P4 - Kayenne ECOO 7p 28.7% 41
DMOPC '17 Contest 2 P1 - 0-1 Knapsack DMOPC 3 28.7% 359
Lemon Game Olympiads School 7 28.6% 43
MCIPC Contest 2 P3 - Snowy Streets Uncategorized 5p 28.6% 46
PEG Test '11 - Cyclopian Cash Uncategorized 3 28.6% 279
COCI '16 Contest 4 #3 Kas COCI 10p 28.6% 71
Triple Fat Ladies Uncategorized 5 28.6% 1558
A Greedy Problem Uncategorized 5p 28.6% 170
CCC '03 J1 - Trident CCC 3 28.6% 2316
ICPC ECNA 2000 C - Rational Approximation ICPC 17 28.6% 2
Triway Cup '18 Summer G - Gu of Love Seasonal 20 28.6% 6
CCO '99 P3 - Manelzuma's Revenge CCO 10 28.6% 2
ICPC SWERC 2017 C - Macarons ICPC 17 28.6% 2
COCI '13 Contest 4 #3 Sumo COCI 10p 28.6% 34
BPC 1 J5 - Set Uncategorized 10 28.6% 21
BlueBook - Interest BlueBook 3 28.6% 573
Rotations in 3 Dimensions Uncategorized 12 28.5% 117