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Hot problems
Educational DP Contest AtCoder C - Vacation
CCCHK '15 J3 - Queens can't attack me!
COCI '14 Contest 5 #3 Traktor
IOI '04 P4 - Phidias
DMOPC '18 Contest 1 P2 - Sorting
CCC '10 J2 - Up and Down
CCC '24 J5 - Harvest Waterloo
Problem
Category
Points
AC %
▴
Users
A Plus B
Uncategorized
3p
48.7%
8006
MMCC '14 P2 - Kirito
Uncategorized
20p
25.9%
152
MMCC '14 P1 - Tenri
Uncategorized
17p
23.1%
70
MMCC '14 P3 - Esdeath
Uncategorized
15p
14.9%
202
Fibonacci Sequence
Uncategorized
15p
13.0%
776
A Plus B (Hard)
Uncategorized
12
11.0%
318
Imperative French
Uncategorized
15
5.5%
17
Troubling Triangles
Uncategorized
7
28.3%
431
Hello, World!
Uncategorized
3
56.1%
12171
Mock ECOO '14 P1 - Do You Want to Build a Snowman?
ECOO
12
8.5%
54
CCC '14 J1 - Triangle Times
CCC
3
32.9%
7453
CCC '14 J2 - Vote Count
CCC
3
44.6%
5335
CCC '14 J3 - Double Dice
CCC
3
56.4%
4471
List Minimum
Uncategorized
3
49.8%
3277
CCC '96 S1 - Deficient, Perfect, and Abundant
CCC
5
32.3%
1891
CCC '09 J1 - ISBN
CCC
3
47.4%
3678
Postfix Notation
Uncategorized
7
19.0%
681
CCC '13 J1 - Next in line
CCC
3
62.3%
12002
CCC '13 S1 - From 1987 to 2013
CCC
5
45.7%
3906
CCC '13 J2 - Rotating letters
CCC
3
45.0%
4809
CCC '05 S5 - Pinball Ranking
CCC
12p
19.5%
737
Binary Indexed Tree Test
Data Structure Tests
10p
28.8%
738
CCC '14 S1 - Party Invitation
CCC
5
47.1%
3516
CCC '14 S2 - Assigning Partners
CCC
5
33.2%
2838
CCC '13 J4 - Time on task
CCC
5
44.5%
3001
Disjoint Set Test
Data Structure Tests
10
36.9%
881
Lexicographically Least Substring
Uncategorized
5
46.0%
616
CCC '14 S3 - The Geneva Confection
CCC
7p
26.4%
2800
CCC '12 J1 - Speed fines are not fine!
CCC
3
30.8%
5766
CCC '12 J2 - Sounds fishy!
CCC
3
33.8%
4569
CCC '12 J3 - Icon Scaling
CCC
3
51.2%
2875
ECOO '14 R1 P1 - Martian Time
ECOO
5p
26.5%
76
List Minimum (Hard)
Uncategorized
5
35.8%
1660
Lexicographically Least Substring (Hard)
Uncategorized
15
11.3%
183
CCC '13 S3 - Chances of Winning
CCC
10
41.1%
1358
CCC '12 J4 - Big Bang Secrets
CCC
3
59.2%
2393
Boolean
Uncategorized
3
50.4%
2346
Infinity
Uncategorized
3
35.5%
543
The Mirror
Uncategorized
5
33.3%
676
The Third Cellar
Uncategorized
10
27.1%
322
German Nouns
Uncategorized
5
56.5%
429
Next Prime
Classics
5
19.9%
2171
Find Dates
Uncategorized
7
8.5%
57
CCC '98 S1 - Censor
CCC
5
37.5%
1467
Better Censor
Uncategorized
7
22.4%
114
Unique Elements
Classics
3p
51.3%
1377
Bubble Sort
Uncategorized
7
33.8%
786
Pulse
Uncategorized
3
38.2%
376
Encode
Uncategorized
5
28.4%
245
Sandwich
Uncategorized
5
33.7%
202
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