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Problem Category Points AC % ▴ Users
DMOPC '15 Contest 7 P3 - Harbourmaster DMOPC 7p 18.9% 80
TLE '15 P5 - Prefix Sum Array TLE 15p 18.9% 125
COCI '14 Contest 4 #5 Sabor COCI 15p 18.9% 83
DMOPC '17 Contest 3 P3 - N-Kat DMOPC 10p 18.9% 84
Another Contest 8 Problem 5 - U-Turn Finesse ACC 15 18.9% 81
A Math Contest P13 - Ways Uncategorized 17 18.9% 28
DMOPC '20 Contest 6 P3 - Bread Merchant DMOPC 10p 18.9% 116
Age Demographic Uncategorized 5 18.9% 112
A Coin Problem Uncategorized 12p 18.9% 297
Postfix Notation Uncategorized 7 18.9% 685
Baltic OI '12 P5 - Melody Baltic OI 17p 18.9% 7
JOI '22 Open P1 - Seesaw JOI 17p 18.9% 7
NOI '23 P5 - String China NOI 25p 18.9% 7
New Year's '16 P7 - Old Christmas Lights Seasonal 17p 18.9% 125
Yet Another Contest 5 P1 - Number Pyramid YAC 7p 18.9% 186
DMOPC '16 Contest 3 P6 - Long Lost Love DMOPC 17p 18.9% 37
Spring Coding Bowl '22 P1 - Student Numbers Uncategorized 3 19.0% 79
COCI '14 Contest 2 #5 Šuma COCI 20p 19.0% 64
CCC '02 S2 - Fraction Action CCC 5 19.0% 1884
CCO '21 P4 - Travelling Merchant CCO 25p 19.0% 54
Back To School '18: Letter Frequency Seasonal 7p 19.0% 543
DMOPC '15 Contest 3 P5 - Total Annihilation DMOPC 15p 19.0% 98
CCO '11 P2 - Vampire Tunnels CCO 15p 19.0% 320
ICPC ECNA 2000 B - Poly-polygonal Numbers ICPC 12 19.0% 4
MNYC '17: Bells Seasonal 17p 19.0% 62
Baltic OI '06 P2 - Coin Collector Baltic OI 12 19.0% 24
Mock CCC '23 2 S4 - Roger Says Yabe Mock CCC 15p 19.0% 7
Google Code Jam '22 Round 1C Problem A - Letter Blocks Google Code Jam 10p 19.0% 4
Google Code Jam '09 Qualification Round Problem C - Welcome to Code Jam Google Code Jam 7p 19.0% 4
CCO '16 P5 - Zombie Apocalypse CCO 15p 19.1% 141
TSOC '16 Contest 2 #4 - Bob's Primes TSOC 7 19.1% 85
DMOPC '14 Contest 7 P2 - Tides DMOPC 5p 19.1% 728
COCI '23 Contest 2 #3 Dizalo COCI 17p 19.1% 16
IOI '11 P4 - Crocodile's Underground City (Standard I/O) IOI 17p 19.1% 374
Bubble Cup V9 D Potions homework Bubble Cup 5 19.1% 242
DMOPC '20 Contest 7 P2 - Alice and Tiles DMOPC 10p 19.1% 57
CCO '97 P6 - Aligning DNA CCO 7 19.1% 11
COCI '07 Contest 1 #6 Staza COCI 25p 19.1% 28
WC '17 Contest 4 S1 - Wakandan Sabotage Woburn Challenge 10p 19.1% 26
ACSL '09 Practice P2 - Cars Uncategorized 10p 19.1% 36
JSB '19 - P5 CTF 15 19.2% 9
CCC '01 S4 - Cookies CCC 10 19.2% 418
CCC '17 S5 - RMT CCC 20p 19.2% 245
CCO '18 P5 - Boring Lectures CCO 20p 19.2% 127
SMAC 08/09 (Oct) #2 - Digging for Gold Uncategorized 10 19.2% 53
An Animal Contest 7 P4 - Squirrel Shenanigans AAC 20 19.2% 17
VPEX P4 - Etopika Uncategorized 12p 19.2% 139
WC '18 Contest 4 S3 - Dance Royale Woburn Challenge 15p 19.2% 32
Baltic OI '07 P4 - Building a Fence Baltic OI 12p 19.2% 5
UHCC1 P4 - Manhattan Distance Uncategorized 7 19.2% 42