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Hot problems
CCC '24 J3 - Bronze Count
COCI '08 Contest 4 #6 Periodni
CCC '17 S3 - Nailed It!
COCI '23 Contest 5 #4 Rolete
COCI '23 Contest 5 #1 Zlagalica
APIO '09 P1 - Digging for Oil
COCI '22 Contest 4 #1 7Krokods
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
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