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Hot problems
CCC '24 J3 - Bronze Count
Educational DP Contest AtCoder A - Frog 1
Knapsack 4
Baltic OI '05 P3 - Maze
IOI '94 P1 - The Triangle
IOI '07 P4 - Miners
WC '99 P3 - The Godfather
Problem ▴
Category
Points
AC %
Users
Mock CCC '15 J5 - Royal Guard
Mock CCC
10p
16.5%
159
Mock CCC '15 S1 - Dupvoting
Mock CCC
5p
18.4%
151
Mock CCC '15 S2 - Problem-setting Pandemonium
Mock CCC
5p
34.7%
255
Mock CCC '15 S3 - The Tachyon Trap
Mock CCC
12p
18.4%
65
Mock CCC '15 S4 - Ice Pillars
Mock CCC
15p
29.0%
106
Mock CCC '15 S5 - Kongou
Mock CCC
40p
3.9%
13
Mock CCC '18 Contest 1 J1 - A String Problem
Mock CCC
3p
45.0%
497
Mock CCC '18 Contest 1 J2 - A Substring Problem
Mock CCC
3p
26.9%
334
Mock CCC '18 Contest 1 J3/S1 - A Math Problem
Mock CCC
5p
23.1%
345
Mock CCC '18 Contest 1 J4/S2 - A Square Problem
Mock CCC
5
33.7%
424
Mock CCC '18 Contest 1 J5/S3 - A Simulation Problem
Mock CCC
7p
21.6%
122
Mock CCC '18 Contest 1 S4 - A Graph Problem
Mock CCC
12p
19.9%
97
Mock CCC '18 Contest 1 S5 - A Palindrome Problem
Mock CCC
15p
8.1%
17
Mock CCC '18 Contest 2 J1 - An Arithmetic Problem
Mock CCC
3p
50.9%
417
Mock CCC '18 Contest 2 J2 - A Software Engineering Task
Mock CCC
3p
35.4%
151
Mock CCC '18 Contest 2 J3/S1 - An Array Problem
Mock CCC
7p
16.1%
371
Mock CCC '18 Contest 2 J4/S2 - A Geometry Problem
Mock CCC
7p
17.5%
122
Mock CCC '18 Contest 2 J5/S3 - A Coloring Problem
Mock CCC
10p
19.3%
56
Mock CCC '18 Contest 2 S4 - A Tree Problem
Mock CCC
12p
16.7%
60
Mock CCC '18 Contest 2 S5 - A Link/Cut Tree Problem
Mock CCC
15p
23.1%
89
Mock CCC '18 Contest 3 J1 - A Sum Problem
Mock CCC
3p
61.4%
602
Mock CCC '18 Contest 3 J2 - A Palindrome Problem
Mock CCC
3p
24.1%
240
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
36.7%
480
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%
226
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
10.4%
34
Mock CCC '19 Contest 1 J1 - Pusheen's Report Card
Mock CCC
3p
36.4%
957
Mock CCC '19 Contest 1 J2 - Pusheen OCR
Mock CCC
3p
54.7%
718
Mock CCC '19 Contest 1 J3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri
Mock CCC
3p
18.4%
344
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
41.2%
628
Mock CCC '19 Contest 1 S2 - Pusheen's Puzzle Present
Mock CCC
5p
26.8%
369
Mock CCC '19 Contest 1 S3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri
Mock CCC
12p
5.2%
54
Mock CCC '19 Contest 1 S4 - Pusheen Plays Neko Atsume
Mock CCC
12
17.8%
100
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 '19 Contest 2 S1 - Tudor's Double Doors
Mock CCC
3p
10.8%
225
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