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Hot problems
COCI '08 Contest 3 #6 Najkraci
APIO '10 P1 - Commando
TSS Club Fair 2017 Problem B
ECOO '13 R1 P1 - Take a Number
CCC '24 J4 - Troublesome Keys
CCC '04 S2 - TopYodeller
DWITE '10 R3 #3 - Dominos Tiling
Problem
Category ▴
Points
AC %
Users
CCC '23 J2 - Chili Peppers
CCC
3p
53.5%
1635
CCC '23 J3 - Special Event
CCC
5p
38.3%
1301
CCC '24 S1 - Hat Circle
CCC
3p
68.2%
499
CCC '24 S2 - Heavy-Light Composition
CCC
5p
55.0%
451
CCC '24 S3 - Swipe
CCC
10p
17.5%
172
CCC '24 S4 - Painting Roads
CCC
12p
35.9%
164
CCC '24 S5 - Chocolate Bar Partition
CCC
20p
9.8%
21
CCC '24 J1 - Conveyor Belt Sushi
CCC
3p
76.8%
607
CCC '24 J2 - Dusa And The Yobis
CCC
3p
61.1%
493
CCC '24 J3 - Bronze Count
CCC
5p
47.0%
484
CCC '24 J4 - Troublesome Keys
CCC
5p
22.0%
308
CCC '24 J5 - Harvest Waterloo
CCC
7p
37.7%
349
Mock CCC '15 S1 - Dupvoting
Mock CCC
5p
18.3%
151
Mock CCC '15 S2 - Problem-setting Pandemonium
Mock CCC
5p
34.7%
258
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 '15 J1 - 416
Mock CCC
3p
24.2%
762
Mock CCC '15 J2 - Lowest Exam Mark
Mock CCC
5p
11.5%
419
Mock CCC '15 J3 - Problem-setting Pandemonium
Mock CCC
3p
59.7%
534
Mock CCC '15 J4 - Vox in Box
Mock CCC
7p
18.3%
79
Mock CCC '15 J5 - Royal Guard
Mock CCC
10p
16.6%
161
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 J4/S2 - A Square Problem
Mock CCC
5
33.7%
424
Mock CCC '18 Contest 1 J3/S1 - A Math Problem
Mock CCC
5p
23.1%
345
Mock CCC '18 Contest 2 J5/S3 - A Coloring Problem
Mock CCC
10p
19.3%
56
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
8.5%
18
Mock CCC '18 Contest 1 J5/S3 - A Simulation Problem
Mock CCC
7p
21.6%
122
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
35.3%
151
Mock CCC '18 Contest 2 J3/S1 - An Array Problem
Mock CCC
7p
16.1%
372
Mock CCC '18 Contest 2 J4/S2 - A Geometry Problem
Mock CCC
7p
17.5%
122
Mock CCC '18 Contest 2 S4 - A Tree Problem
Mock CCC
12p
17.9%
65
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
61.2%
604
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
35.5%
353
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
44.7%
570
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%
236
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
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