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Problem Category Points AC % Users ▾
NOI '13 P1 - Inner Product China NOI 20p 7.0% 20
SMAC 08/09 (Oct) #4 - Daycare Uncategorized 15p 4.5% 20
SMAC 08/09 (Nov) #1 - Befungulator Uncategorized 10 23.8% 20
WC '15 Contest 4 S3 - Coded Paper Woburn Challenge 17p 20.4% 20
The Codefather Uncategorized 15p 6.5% 20
Assembly Elves Uncategorized 10p 12.4% 20
COCI '09 Contest 6 #5 Holmes COCI 25p 28.4% 20
Secret Santa Uncategorized 15 13.0% 20
You Might be a Redneck Uncategorized 10p 8.8% 20
Baltic OI '05 P4 - Ancient Manuscript Baltic OI 12 33.3% 20
Baltic OI '05 P5 - Bus Trip Baltic OI 17 51.9% 20
JOI '16 Final P1 - Foehn Phenomena JOI 10p 65.1% 20
COCI '10 Contest 4 #3 Astro COCI 7p 39.0% 20
COCI '10 Contest 4 #5 Dugovi COCI 12p 36.0% 20
COCI '11 Contest 3 #3 Pogodak COCI 10p 36.8% 20
COCI '13 Contest 3 #3 Rečenice COCI 7p 42.6% 20
COCI '12 Contest 1 #5 Snaga COCI 12p 22.3% 20
Segment Tree Practice 4 Uncategorized 17 45.1% 20
COCI '17 Contest 7 #5 Dostavljač COCI 15 35.8% 20
Jack Needs Help Uncategorized 10p 32.0% 20
COI '20 #2 Cigle COCI 20p 17.1% 20
NOI '20 P4 - Dish China NOI 20p 7.6% 20
UCRPC F21 E - Feeding Friendsy ICPC 7p 13.2% 20
Baltic OI '09 P2 - Candy Machine Baltic OI 12p 37.1% 20
DMOPC '21 Contest 5 P6 - Permutations & Primes DMOPC 25p 6.2% 20
Baltic OI '11 P3 - Switch the Lamp On Baltic OI 12p 24.7% 20
COI '10 #3 Rijeka COCI 10p 34.3% 20
COI '11 #1 Kampanja COCI 20p 26.8% 20
A Math Contest P12 - Triangles Uncategorized 17 29.5% 20
A Math Contest P16 - Morbius vs. Suibom Uncategorized 25 18.2% 20
NOIP '20 P1 - Drainage System China NOI 10p 10.6% 20
NOI '16 P4 - Interval China NOI 20p 22.9% 20
NOIP '07 P2 - Expanding Strings China NOI 5p 13.2% 20
COCI '22 Contest 3 #3 Baltazar COCI 17p 11.0% 20
COCI '22 Contest 5 #5 Zastave COCI 17p 4.1% 20
ETSR '23 Onsite Round 1 Problem 3 - Travel Uncategorized 17p 4.8% 20
IOI '23 P1 - Closing Time IOI 25p 4.6% 20
Equivalent Addresses Uncategorized 7 32.3% 19
DMOPC '16 Contest 3 P5 - Shoe Shopping II DMOPC 15p 31.3% 19
TLE '16 Contest 5 P4 - Engineering Test TLE 12p 9.6% 19
DWITE '10 R1 #5 - Ricochet Robot DWITE 7 42.1% 19
DWITE '12 R2 #2 - Word Arithmetic DWITE 5 31.9% 19
DWITE '11 R2 #4 - Bear Trees DWITE 10 21.6% 19
DWITE '09 R5 #3 - Summary Diff DWITE 5 61.8% 19
TLE '17 Contest 4 P4 - Willson and Target Practice TLE 17p 10.3% 19
New Year's '18 P8 - Snowy Streets Seasonal 25p 11.1% 19
TLE '17 Contest 5 P6 - Circuits TLE 20p 18.5% 19
TLE '17 Contest 8 P4 - Gamma Waves TLE 20p 8.7% 19
GlobeX Cup '18 S5 - Math Bash Uncategorized 17 12.1% 19
A Combining Problem Uncategorized 20 14.8% 19