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Random
Hot problems
COCI '08 Contest 3 #6 Najkraci
An Animal Contest 2 P3 - Koala Balloons
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 '99 S3 - Divided Fractals
CCC
7
16.5%
68
CCC '99 S4 - A Knightly Pursuit
CCC
12
18.7%
348
CCC '99 S5 - Letter Arithmetic
CCC
12
16.0%
77
CCC '00 J1 - Calendar
CCC
5
11.2%
1358
CCC '00 J2 - 9966
CCC
3
35.8%
1959
CCC '00 S1 - Slot Machines
CCC
5
27.3%
4529
CCC '00 S2 - Babbling Brooks
CCC
7
34.1%
2537
CCC '00 S5 - Sheep and Coyotes
CCC
10p
4.1%
178
CCC '00 S3 - Surfing
CCC
7
17.5%
621
CCCHK '08 J1 - Best fish
CCC
3
38.1%
805
CCCHK '08 J2 - Lucky Number
CCC
3
26.8%
845
CCC '04 S1 - Fix
CCC
5
32.6%
1199
CCCHK '08 J3 - Phone book
CCC
5p
34.6%
625
CCCHK '08 J4 - Tic-tac-toe
CCC
5p
11.0%
108
CCC '04 S2 - TopYodeller
CCC
5
21.5%
732
CCC '04 S3 - Spreadsheet
CCC
10
27.0%
614
CCC '04 S4 - Space Turtle
CCC
10p
19.7%
185
CCC '04 S5 - Super Plumber
CCC
10p
23.8%
402
CCC '18 J1 - Telemarketer or not?
CCC
3
40.1%
6894
CCC '18 J2 - Occupy parking
CCC
3
53.4%
5683
CCC '18 J3 - Are we there yet?
CCC
3
55.6%
3114
CCC '18 J5 - Choose your own path
CCC
7p
24.1%
1614
CCC '01 S2 - Spirals (Exact Version)
CCC
7
8.3%
105
CCC '07 J4 - Anagram Checker
CCC
5
37.2%
2130
Mock CCC '19 Contest 1 S4 - Pusheen Plays Neko Atsume
Mock CCC
12
17.8%
100
Mock CCC '20 S2 - Flipper Redux
Mock CCC
7p
26.5%
280
CCC '19 S4 - Tourism
CCC
20p
7.7%
249
CCC '19 J1 - Winning Score
CCC
3
50.8%
7022
CCC '19 J2 - Time to Decompress
CCC
3
52.4%
3331
CCC '19 J3 - Cold Compress
CCC
5
46.2%
3163
CCC '19 J5 - Rule of Three
CCC
20p
0.7%
7
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%
478
Mock CCC '20 Contest 2 S1 - Arithmetic Hybercube
Mock CCC
3p
53.9%
403
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 S5 - Sticks
Mock CCC
20p
2.3%
4
CCC '20 J1 - Dog Treats
CCC
3
56.1%
4018
CCC '20 J2 - Epidemiology
CCC
3
27.1%
3712
CCC '20 J3 - Art
CCC
3p
42.9%
2367
CCC '20 J4 - Cyclic Shifts
CCC
5p
45.7%
2291
CCC '20 S1 - Surmising a Sprinter's Speed
CCC
5p
42.8%
2047
CCC '20 S2 - Escape Room
CCC
10p
12.8%
1695
CCC '20 S5 - Josh's Double Bacon Deluxe
CCC
17p
29.6%
258
CCC '20 S2 - Escape Room (Hard)
CCC
15p
5.6%
55
Mock CCC '14 S3 - Spreadsheet Sorting
Mock CCC
7
49.0%
425
Mock CCC '14 S5 - Elimination Game
Mock CCC
15p
21.8%
56
Mock CCC '14 J2 - Rope Unfolding
Mock CCC
3
45.0%
285
Mock CCC '14 J5 - Spacetime Surfer
Mock CCC
10
30.0%
83
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