Problems

Problem Category Points AC % Users ▾
Chocolate Bar Uncategorized 5 50.3% 466
CCCHK '15 J1 - Rock-paper-scissors CCC 3 55.8% 465
Interleaving Leaves Uncategorized 5 50.3% 465
CCC '09 S2 - Lights Going On and Off CCC 10 39.0% 464
A Noisy Class Uncategorized 7 25.5% 464
Word Scrambler Uncategorized 7 50.3% 462
Infinity Fun Math 3 34.1% 460
DMOPC '13 Contest 3 P3 - Crossing Field DMOPC 10p 31.5% 452
VPEX P0 - Pizza Uncategorized 1p 38.1% 451
Frog 1 Uncategorized 7 43.6% 450
COCI '07 Contest 2 #1 Bijele COCI 3 64.9% 449
Mock CCC '19 Contest 1 J2 - Pusheen OCR Mock CCC 3p 52.5% 449
CCCHK '08 J2 - Lucky Number CCC 3 25.5% 447
Bubble Sort Uncategorized 7 33.6% 446
CCC '05 S4 - Pyramid Message Scheme CCC 10 35.0% 446
Mock CCC '19 Contest 1 S1 - Pusheen's Report Card Mock CCC 3p 38.2% 442
Maximum Sum Uncategorized 7 30.6% 442
CCC '08 J4 - From Prefix to Postfix CCC 7 46.8% 440
Flying Plushies GFSSOC 3p 56.9% 439
BlueBook - Powers of 2 BlueBook 3 31.9% 438
COCI '06 Contest 1 #2 Herman COCI 5 40.0% 437
CCC '08 S5 - Nukit CCC 10p 31.5% 435
Uneven Sand Uncategorized 5 24.1% 432
Homework FHC 10 33.1% 432
IOI '09 P4 - Raisins IOI 15p 58.2% 431
Marathon GFSSOC 7p 33.5% 428
DMOPC '14 Contest 1 P1 - Median Mark DMOPC 5p 19.7% 427
CCC '20 J3 - Art CCC 3p 45.8% 427
IOI '11 P3 - Rice Hub (Standard I/O) IOI 15p 18.9% 427
Binary Indexed Tree Test Data Structure Tests 10p 27.0% 425
CCC '07 J5 - Keep on Truckin' CCC 7 14.7% 425
CCC '13 S5 - Factor Solitaire CCC 15p 41.4% 425
Rabbit Girls Seasonal 7p 21.2% 425
Simon and Marcy Seasonal 10p 51.1% 425
IOI '09 P5 - Garage IOI 10 48.4% 423
Troubling Times Uncategorized 5p 31.6% 417
Mock CCC '19 Contest 2 J1 - Tudor Drinks Some Tea Mock CCC 3p 50.0% 417
DMOPC '14 Contest 6 P2 - Longest Tunnel DMOPC 3p 67.1% 416
IOI '13 P1 - Dreaming (Standard I/O) IOI 20p 18.4% 415
Fibonacci Sequence Fun Math 15p 12.5% 411
DMOPC '14 Contest 2 P3 - Sawmill DMOPC 7p 33.1% 409
DMOPC '19 Contest 6 P0 - Trivial Math DMOPC 3 69.8% 409
BlueBook - Interest BlueBook 3 29.9% 407
DMOPC '15 Contest 7 P2 - Not a Wall of Text DMOPC 3p 64.6% 405
Lexicographically Least Substring Uncategorized 5 44.7% 403
DMOPC '15 Contest 1 P1 - Itami and Manga DMOPC 3p 46.9% 403
CCC '02 S3 - Blindfold CCC 5 51.9% 403
COCI '06 Contest 3 #1 Patuljci COCI 5 60.5% 401
BlueBook - Cost BlueBook 3 16.9% 401
IOI '11 P2 - Race (Standard I/O) IOI 17p 14.8% 401