Problems

Problem Category Points AC % Users ▾
Another Contest 5 Problem 2 - Great Graffiti ACC 5p 18.6% 213
PEG Test '11 - Cyclopian Census Uncategorized 5 49.3% 213
DMPG '15 B2 - Trunk in Trunk DMOPC 5p 27.7% 212
DWITE '12 R2 #4 - Magic Trick DWITE 7 42.1% 212
GlobeX Cup '18 J2 - Mark Gambling Uncategorized 5p 31.8% 212
CEOI '19 Practice P1 - Count Squares CEOI 7p 36.4% 212
GlobeX Cup '19 J1 - Chess Master Winnie Uncategorized 3p 55.6% 212
DMOPC '19 Contest 3 P0 - What is it? DMOPC 3 22.6% 212
CCO '96 P1 - Train Swapping CCO 5 26.8% 211
CCO '20 P1 - A Game with Grundy CCO 10p 20.2% 211
DMOPC '21 Contest 8 P1 - Peanut Planning DMOPC 7p 19.7% 211
HHPC1 P1 - Yielding the Longest Substring Uncategorized 5 23.1% 211
DWITE '10 R5 #2 - Safe from Rooks DWITE 5 32.6% 210
Educational DP Contest AtCoder J - Sushi Uncategorized 12 55.1% 210
SAC '22 Code Challenge 4 P1 - Obligatory Car Problem SAC Coding Challenge 3 36.0% 210
Back To School '18: The Golden Porcupine Seasonal 15p 33.1% 209
Wesley's Anger Contest 4 Problem 2 - Squirrel Election WAC 7p 20.6% 209
PEG Test '14 - Fire Uncategorized 5 36.9% 209
IOI '04 P5 - Farmer IOI 15p 13.3% 209
DWITE '06 R5 #5 - Prime Palindromes DWITE 10 25.0% 209
An Animal Contest 4 P2 - Lavish Lights AAC 10 14.4% 209
DMOPC '14 Contest 3 P5 - Not Enough Servers! DMOPC 20p 20.2% 208
CCO '13 P1 - All Your Base Belong to Palindromes CCO 10p 18.6% 208
ECOO '15 R1 P4 - Neanderthal Numbers ECOO 10p 34.0% 208
TSOC '15 Contest 2 #5 - Bebiliths TSOC 5p 46.3% 208
GFSSOC '15 Winter S3 - PalinDrone GFSSOC 7p 19.9% 208
DWITE '10 R1 #1 - Age Gate DWITE 3 33.0% 208
DMOPC '18 Contest 3 P0 - Bob and ICS Class DMOPC 3p 46.9% 208
UCC Coding Competition '20 P4 - Bubble Tea Uncategorized 7p 43.4% 208
DMOPC '14 Contest 4 P1 - New Key DMOPC 3p 31.9% 207
COCI '15 Contest 3 #1 Pot COCI 5 68.0% 207
COCI '07 Regional #2 Nikola COCI 10 32.1% 207
DWITE '09 R6 #4 - Time for Change DWITE 7 58.1% 207
Inaho V Uncategorized 3p 18.4% 207
Valentine's Day '18 J1 - The Cactus Number Mock CCC 3p 35.8% 207
Wesley's Anger Contest 2 Problem 1 - OCT 31 = DEC 25? WAC 3 51.2% 207
IOI '07 P3 - Sails IOI 25p 21.4% 207
April Fools' Day Contest 1 P4 - Choosing Choosily Uncategorized 0p 44.0% 207
UACC 1 P2 - Puzzling Parks Uncategorized 5 27.8% 207
IOI '14 P2 - Wall IOI 20p 24.5% 206
New Year's '18 P1 - Happy New Year! Seasonal 3p 24.3% 206
PEG Test '14 - Balance Uncategorized 5 40.3% 206
Mock CCC '22 1 S1 - Big Mattress Tournament Mock CCC 5p 13.4% 206
COCI '14 Contest 7 #3 ACM COCI 12p 50.6% 205
CCO '15 P4 - Cars on Ice CCO 10p 18.9% 205
CCO Preparation Test 6 P2 - An Easy Problem Mock CCO 12p 33.0% 205
COCI '06 Regional #3 Firefly COCI 10 38.0% 205
WC '17 Finals S1 - An Interspecific Army Woburn Challenge 5p 54.6% 205
SAC '22 Code Challenge 4 P3 - Obligatory Math Problem SAC Coding Challenge 5 38.5% 205
DMOPC '21 Contest 3 P1 - Sums & Differences DMOPC 7p 18.0% 205