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Hot problems
Educational DP Contest AtCoder C - Vacation
COCI '14 Contest 5 #3 Traktor
CCCHK '15 J3 - Queens can't attack me!
IOI '04 P4 - Phidias
CCC '10 J2 - Up and Down
IOI '14 Practice Task 1 - Square
COCI '07 Contest 4 #4 Muzicari
Problem
Category
Points
AC % ▾
Users
WOSS Dual Olympiad 2022 Team Round P1: Bobby and His Calculus Test
Seasonal
3p
60.0%
74
Google Code Jam '09 Round 1A Problem C - Collecting Cards
Google Code Jam
10p
60.0%
3
Google Code Jam '15 Round 1A Problem A - Mushroom Monster
Google Code Jam
5p
60.0%
3
Google Code Jam '19 Round 1A Problem C - Alien Rhyme
Google Code Jam
12p
60.0%
3
Google Code Jam '22 Round 2 Problem B - Pixelated Circle
Google Code Jam
25p
60.0%
3
NOI '23 P4 - Trade
China NOI
20p
60.0%
6
COCI '06 Contest 3 #1 Patuljci
COCI
5
60.0%
589
Educational DP Contest AtCoder C - Vacation
Uncategorized
7
59.9%
812
COCI '10 Contest 3 #2 Zbroj
COCI
3p
59.7%
74
Mock CCC '15 J3 - Problem-setting Pandemonium
Mock CCC
3p
59.6%
532
WC '16 Finals J1 - Fencing
Woburn Challenge
5p
59.6%
49
DWITE '12 R1 #2 - Candybar Graphs
DWITE
5
59.6%
44
Max's Anger Contest Series 1 P1 - Hunger Bar
Seasonal
3p
59.5%
297
Google Code Jam '22 Qualification Round Problem B - 3D Printing
Google Code Jam
5p
59.5%
14
COCI '23 Contest 3 #1 Eurokod
COCI
5p
59.4%
38
GFSSOC '15 Winter J5 - Secret Santa
GFSSOC
7p
59.3%
170
COCI '10 Contest 7 #3 Gitara
COCI
7p
59.3%
145
CCC '12 J4 - Big Bang Secrets
CCC
3
59.2%
2393
Summer Institute '17 Contest 1 P7 - Grand Theft Otto
SIUCF
7
59.2%
47
CCO '00 P4 - Packet Routing
CCO
7
59.2%
56
ECOO '14 R3 P4 - Baby Talk
ECOO
10p
59.1%
29
BlueBook - Sieve
BlueBook
5
59.1%
446
DWITE '08 R2 #2 - My favourite digit
DWITE
3
59.1%
298
UACC 1 P3 - Cheeky Checkers
Uncategorized
7
59.1%
133
DWITE '11 R1 #5 - Tattarrattat
DWITE
10
59.0%
147
ECOO '14 R3 P2 - Mothers and Daughters
ECOO
7p
59.0%
83
BPC 1 J1 - Facial Recognition
Uncategorized
3
58.9%
430
COCI '07 Contest 2 #3 Prva
COCI
7
58.9%
291
COCI '17 Contest 7 #1 Prosjek
COCI
5p
58.8%
43
COCI '16 Contest 3 #4 Kvalitetni
COCI
12p
58.8%
8
A Long Problem
Uncategorized
0p
58.7%
43
COCI '06 Contest 4 #1 Sibice
COCI
3
58.7%
503
COCI '16 Contest 1 #1 Tarifa
COCI
3
58.6%
2377
MWC '15 #8 P1: Push-up Contest
MWC
3p
58.6%
160
Another Contest 6 Problem 8 - #define int long long
ACC
0p
58.6%
236
DMOPC '14 Contest 5 P1 - Core Drill
DMOPC
3p
58.6%
4947
WC '18 Contest 2 J3 - Seeing Double
Woburn Challenge
3p
58.6%
116
COCI '06 Contest 6 #1 Prase
COCI
5p
58.6%
327
ECOO '21 P2 - DNA Derren
ECOO
3p
58.5%
325
COCI '14 Contest 1 #1 Prosjek
COCI
5p
58.5%
323
COCI '06 Contest 6 #2 Magija
COCI
5p
58.5%
135
WOSS Dual Olympiad 2022 Team Round P2: Bobby's Studying Schedule
Seasonal
5
58.5%
48
WOSS Dual Olympiad 2022 J3/S1: Christmas List
Seasonal
5p
58.5%
153
DWITE '09 R5 #2 - Round to Second Prime
DWITE
5
58.5%
250
WC '17 Contest 4 J3 - The Infinity Stones
Woburn Challenge
3p
58.5%
175
OTHS Coding Competition 1 (Mock CCC) J2 - Wand Selection
Uncategorized
3
58.5%
320
COCI '08 Contest 3 #2 Kemija
COCI
5
58.4%
1389
COCI '07 Contest 4 #1 Vauvau
COCI
5
58.3%
331
COCI '18 Contest 1 #4 Strah
COCI
15p
58.3%
54
Google Code Jam '15 Qualification Round Problem A - Standing Ovation
Google Code Jam
3p
58.3%
9
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