Problems

Problem Category Points AC % Users ▾
CCC '03 S2 - Poetry CCC 5 17.2% 1435
CCC '05 J1 - The Cell Sell CCC 3 8.0% 1432
IOI '94 P1 - The Triangle IOI 7p 57.3% 1432
VM7WC '16 #3 Silver - Can Shahir even get there?! VM7WC 5 37.7% 1420
CCC '10 J3 - Punchy CCC 5 33.0% 1392
COCI '08 Contest 3 #2 Kemija COCI 5 58.3% 1375
CCC '09 J3 - Good Times CCC 5 20.3% 1374
Unique Elements Classics 3p 51.3% 1367
CCC '13 S3 - Chances of Winning CCC 10 41.1% 1354
COCI '08 Contest 1 #2 Ptice COCI 5 39.9% 1348
Mispelling Uncategorized 3 11.3% 1342
CCC '09 S3 - Degrees Of Separation CCC 10 27.9% 1338
CCC '00 J1 - Calendar CCC 5 11.1% 1332
CCC '08 J3 - GPS Text Entry CCC 3 56.2% 1330
CCC '21 J4 - Arranging Books CCC 7p 19.6% 1311
CCC '10 S1 - Computer Purchase CCC 5 14.0% 1309
CCC '15 J4 - Wait Time CCC 5 39.4% 1302
Mirrored Pairs Uncategorized 3 25.9% 1297
BlueBook - Cross Country BlueBook 3 43.0% 1274
DMOPC '14 Contest 1 P2 - Tiles DMOPC 3p 54.2% 1268
CCC '23 J3 - Special Event CCC 5p 38.0% 1238
CCC '06 J4 - It's tough being a teen! CCC 7 41.5% 1237
CCC '13 S4 - Who is Taller? CCC 7 16.7% 1220
CCC '07 S2 - Boxes CCC 5 27.6% 1207
COCI '06 Contest 1 #1 Modulo COCI 3 60.3% 1204
CCC '04 S1 - Fix CCC 5 32.9% 1187
CCC '11 S3 - Alice Through the Looking Glass CCC 10p 35.9% 1181
CCC '08 S2 - Pennies in the Ring CCC 5 30.5% 1179
ECOO '13 R1 P1 - Take a Number ECOO 5p 27.2% 1167
Primes Uncategorized 3 47.1% 1166
An Animal Contest 2 P0 - Koala Matchmaking AAC 3 50.1% 1155
CCC '15 S4 - Convex Hull CCC 15p 27.3% 1151
COCI '13 Contest 3 #1 Riječi COCI 5p 33.1% 1137
Educational DP Contest AtCoder A - Frog 1 Uncategorized 7 45.8% 1131
CCC '18 S3 - RoboThieves CCC 12p 14.2% 1125
CCC '06 S1 - Maternity CCC 5 38.0% 1118
Single Source Shortest Path Classics 7 41.9% 1114
The Cosmic Era P1 - Ship Uncategorized 3 29.1% 1106
COCI '06 Contest 2 #1 R2 COCI 3 69.9% 1099
An Animal Contest 3 P1 - Monkey Shopping AAC 3 30.9% 1098
CCC '16 S3 - Phonomenal Reviews CCC 12p 26.3% 1096
ECOO '15 R1 P1 - When You Eat Your Smarties ECOO 5p 24.7% 1087
CCC '07 J5 - Keep on Truckin' CCC 7 19.6% 1064
CCC '10 J4 - Global Warming CCC 5p 22.5% 1049
BlueBook - Grades BlueBook 3 35.2% 1047
CCC '09 S4 - Shop and Ship CCC 10 21.1% 1024
CCC '97 S1 - Sentences CCC 5 29.4% 1014
CCC '21 S3 - Lunch Concert CCC 10p 24.5% 1014
COCI '18 Contest 4 #1 Elder COCI 5p 36.8% 1012
Educational DP Contest AtCoder D - Knapsack 1 Uncategorized 7 38.8% 1005