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Hot problems
CCC '24 S2 - Heavy-Light Composition
Educational DP Contest AtCoder K - Stones
Educational DP Contest AtCoder I - Coins
IOI '94 P1 - The Triangle
COCI '06 Regional #3 Firefly
CCC '17 J4 - Favourite Times
GFSSOC '15 Winter J5 - Secret Santa
Problem
Category
Points
AC %
Users ▾
CCC '03 S2 - Poetry
CCC
5
17.3%
1454
CCC '05 J1 - The Cell Sell
CCC
3
8.0%
1451
BlueBook - Multiple
BlueBook
3
62.7%
1443
VM7WC '16 #3 Silver - Can Shahir even get there?!
VM7WC
5
37.7%
1435
CCC '10 J3 - Punchy
CCC
5
33.0%
1397
COCI '08 Contest 3 #2 Kemija
COCI
5
58.5%
1397
Unique Elements
Classics
3p
51.4%
1381
CCC '09 J3 - Good Times
CCC
5
20.3%
1381
COCI '08 Contest 1 #2 Ptice
COCI
5
39.9%
1369
CCC '13 S3 - Chances of Winning
CCC
10
41.2%
1364
Mispelling
Uncategorized
3
11.1%
1356
CCC '00 J1 - Calendar
CCC
5
11.2%
1352
CCC '09 S3 - Degrees Of Separation
CCC
10
28.0%
1346
CCC '08 J3 - GPS Text Entry
CCC
3
56.0%
1339
CCC '21 J4 - Arranging Books
CCC
7p
19.6%
1320
CCC '10 S1 - Computer Purchase
CCC
5
14.1%
1319
Mirrored Pairs
Uncategorized
3
25.9%
1316
CCC '15 J4 - Wait Time
CCC
5
39.4%
1311
BlueBook - Cross Country
BlueBook
3
43.1%
1281
DMOPC '14 Contest 1 P2 - Tiles
DMOPC
3p
54.2%
1271
CCC '23 J3 - Special Event
CCC
5p
38.2%
1269
CCC '06 J4 - It's tough being a teen!
CCC
7
41.5%
1242
CCC '13 S4 - Who is Taller?
CCC
7
16.8%
1229
CCC '07 S2 - Boxes
CCC
5
27.5%
1210
COCI '06 Contest 1 #1 Modulo
COCI
3
60.2%
1205
CCC '04 S1 - Fix
CCC
5
32.6%
1198
CCC '11 S3 - Alice Through the Looking Glass
CCC
10p
36.1%
1195
CCC '08 S2 - Pennies in the Ring
CCC
5
30.5%
1183
ECOO '13 R1 P1 - Take a Number
ECOO
5p
27.1%
1182
An Animal Contest 2 P0 - Koala Matchmaking
AAC
3
50.0%
1176
Primes
Uncategorized
3
46.9%
1174
Educational DP Contest AtCoder A - Frog 1
Uncategorized
7
45.9%
1170
COCI '13 Contest 3 #1 Riječi
COCI
5p
33.2%
1163
CCC '15 S4 - Convex Hull
CCC
15p
27.3%
1158
CCC '06 S1 - Maternity
CCC
5
37.5%
1146
Single Source Shortest Path
Classics
7
41.6%
1138
CCC '18 S3 - RoboThieves
CCC
12p
14.2%
1135
An Animal Contest 3 P1 - Monkey Shopping
AAC
3
30.9%
1116
COCI '06 Contest 2 #1 R2
COCI
3
69.9%
1115
The Cosmic Era P1 - Ship
Uncategorized
3
29.1%
1110
CCC '16 S3 - Phonomenal Reviews
CCC
12p
26.4%
1103
ECOO '15 R1 P1 - When You Eat Your Smarties
ECOO
5p
24.5%
1101
CCC '07 J5 - Keep on Truckin'
CCC
7
19.7%
1069
CCC '10 J4 - Global Warming
CCC
5p
22.5%
1055
BlueBook - Grades
BlueBook
3
35.4%
1055
Educational DP Contest AtCoder D - Knapsack 1
Uncategorized
7
38.7%
1038
CCC '09 S4 - Shop and Ship
CCC
10
21.0%
1030
COCI '18 Contest 4 #1 Elder
COCI
5p
36.8%
1030
LKP '18 Contest 2 P1 - Food Lines
Uncategorized
3
37.7%
1021
CCC '97 S1 - Sentences
CCC
5
29.4%
1019
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