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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
ICPC PACNW 2016 A - Alphabet
Problem
Category ▴
Points
AC %
Users
Valentine's Day '18 S4 - Coastal California Cities
Mock CCC
7p
45.6%
43
Mock CCC '18 Contest 3 J1 - A Sum Problem
Mock CCC
3p
61.2%
602
Mock CCC '18 Contest 3 J2 - A Palindrome Problem
Mock CCC
3p
24.2%
241
Mock CCC '18 Contest 3 J3/S1 - A String Problem
Mock CCC
5p
36.0%
352
Mock CCC '18 Contest 3 J4/S2 - A Median Problem
Mock CCC
5p
36.8%
481
Mock CCC '18 Contest 3 J5/S3 - A Cookie-Cutter Problem
Mock CCC
10p
10.0%
59
Mock CCC '18 Contest 3 S4 - A Graph Problem
Mock CCC
10
25.7%
213
Mock CCC '18 Contest 3 S5 - A Rage Tree Problem
Mock CCC
20p
11.2%
46
Mock CCC '18 Contest 5 J1 - Looking for the CCC
Mock CCC
3p
44.6%
567
Mock CCC '18 Contest 5 J2 - Smallest Mode
Mock CCC
3p
26.2%
227
Mock CCC '18 Contest 5 J3/S1 - Median Triples
Mock CCC
5p
29.4%
235
Mock CCC '18 Contest 5 J4/S2 - Reverse Sort
Mock CCC
5p
44.4%
261
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity
Mock CCC
7p
40.9%
487
Mock CCC '18 Contest 5 S4 - Sparse Binary String Counting
Mock CCC
10p
18.3%
92
Mock CCC '18 Contest 5 S5 - California Boggle
Mock CCC
20p
10.6%
35
Valentine's Day '18 S5 - Carol's Calculating Continuity
Mock CCC
20
22.5%
37
Mock CCC '19 Contest 1 J1 - Pusheen's Report Card
Mock CCC
3p
36.1%
962
Mock CCC '19 Contest 1 J2 - Pusheen OCR
Mock CCC
3p
54.8%
725
Mock CCC '19 Contest 1 J3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri
Mock CCC
3p
18.6%
351
Mock CCC '19 Contest 1 J4 - Pusheen Plays Neko Atsume
Mock CCC
3p
18.5%
295
Mock CCC '19 Contest 1 J5 - Pusheen Designs a Sushi Boat
Mock CCC
7p
17.1%
235
Mock CCC '19 Contest 1 S1 - Pusheen's Report Card
Mock CCC
3p
41.3%
630
Mock CCC '19 Contest 1 S4 - Pusheen Plays Neko Atsume
Mock CCC
12
17.8%
100
Mock CCC '19 Contest 1 S2 - Pusheen's Puzzle Present
Mock CCC
5p
26.8%
370
Mock CCC '19 Contest 1 S3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri
Mock CCC
12p
5.2%
54
Mock CCC '19 Contest 1 S5 - Pusheen Eats Even More Tuna Sashimi and Tuna Nigiri
Mock CCC
20
2.3%
9
Mock CCC '19 Contest 2 J1 - Tudor Drinks Some Tea
Mock CCC
3p
51.7%
748
Mock CCC '19 Contest 2 J2 - Tudor Drinks Some More Tea
Mock CCC
3p
28.2%
375
Mock CCC '19 Contest 2 J3 - Tudor Buys Some Tea
Mock CCC
3p
17.4%
298
Mock CCC '19 Contest 2 J4 - Tudor Buys Some Cheesecake
Mock CCC
3p
20.2%
274
Mock CCC '19 Contest 2 J5 - Tudor Drinks Even More Tea
Mock CCC
10p
7.5%
36
Mock CCC '20 S2 - Flipper Redux
Mock CCC
7p
26.5%
280
Mock CCC '19 Contest 2 S1 - Tudor's Double Doors
Mock CCC
3p
10.8%
225
Mock CCC '19 Contest 2 S2 - Tudor Puts A Goat On A Rope
Mock CCC
3p
29.4%
214
Mock CCC '19 Contest 2 S3 - Tudor Tallies Triangular Totals
Mock CCC
10p
5.4%
62
Mock CCC '19 Contest 2 S4 - Tudor Walks Among the Goats
Mock CCC
25p
6.8%
8
Mock CCC '19 Contest 2 S5 - Tudor Takes Pictures of Goats
Mock CCC
15
6.8%
14
Mock CCC '20 Contest 1 J1 - A Rage Tree Problem
Mock CCC
3p
48.3%
822
Mock CCC '20 Contest 1 J2 - A Simplex Problem
Mock CCC
3p
52.0%
595
Mock CCC '20 Contest 1 J4 - A Binary Problem
Mock CCC
5p
11.1%
193
Mock CCC '20 S4 - Valentine's Day Shopping
Mock CCC
20p
7.9%
15
Mock CCC '20 S3 - SAM I Am
Mock CCC
10p
12.7%
72
Mock CCC '20 S1 - War
Mock CCC
3p
29.7%
477
Mock CCC '20 Contest 2 S1 - Arithmetic Hybercube
Mock CCC
3p
54.0%
401
Mock CCC '20 Contest 2 S2 - 4D BBST on a DP
Mock CCC
5p
27.6%
281
Mock CCC '20 Contest 2 S3 - Tree Programming
Mock CCC
10p
15.5%
79
Mock CCC '20 Contest 2 S4 - Rotational Arrays
Mock CCC
10p
11.8%
61
Mock CCC '20 Contest 2 S5 - Sticks
Mock CCC
20p
2.3%
4
Mock CCC '20 Contest 1 J3 - A Geometry Problem
Mock CCC
3p
9.2%
290
Mock CCC '20 Contest 1 J5 - A Prime Problem
Mock CCC
12p
2.8%
20
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