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Hot problems
COCI '14 Contest 6 #4 Kratki
CCO '23 P1 - Binaria
Educational DP Contest AtCoder B - Frog 2
TLE '16 Contest 7 P5 - Shortest Path Faster Algorithm
CCO '23 P2 - Real Mountains
IOI '00 P1 - Palindrome
CCC '17 S3 - Nailed It!
Problem
Category ▴
Points
AC %
Users
CCC '19 S5 - Triangle: The Data Structure
CCC
20p
17.8%
357
CCC '19 S4 - Tourism
CCC
20p
7.7%
248
CCC '19 S3 - Arithmetic Square
CCC
12p
13.6%
500
CCC '19 S1 - Flipper
CCC
3p
46.1%
3948
CCC '19 J1 - Winning Score
CCC
3
50.8%
6984
CCC '19 J2 - Time to Decompress
CCC
3
52.4%
3314
CCC '19 J3 - Cold Compress
CCC
5
46.1%
3151
CCC '19 S2 - Pretty Average Primes
CCC
5p
26.0%
2319
CCC '19 J5 - Rule of Three
CCC
20p
0.7%
7
CCC '20 J4 - Cyclic Shifts (Hard)
CCC
12p
3.8%
36
CCC '20 J1 - Dog Treats
CCC
3
56.1%
4001
CCC '20 J2 - Epidemiology
CCC
3
27.1%
3689
CCC '20 J3 - Art
CCC
3p
42.9%
2357
CCC '20 J4 - Cyclic Shifts
CCC
5p
45.7%
2284
CCC '20 S1 - Surmising a Sprinter's Speed
CCC
5p
42.9%
2048
CCC '20 S2 - Escape Room
CCC
10p
12.8%
1690
CCC '20 S3 - Searching for Strings
CCC
12p
8.9%
840
CCC '20 S4 - Swapping Seats
CCC
12p
25.6%
489
CCC '20 S5 - Josh's Double Bacon Deluxe
CCC
17p
29.6%
257
CCC '20 S2 - Escape Room (Hard)
CCC
15p
5.6%
55
CCCHK '15 S1 - Finding number of pairs
CCC
7p
13.7%
142
CCCHK '15 S2 - Matching Problem
CCC
10p
4.9%
14
CCCHK '15 S3 - Symmetric Cross
CCC
12p
15.8%
19
CCCHK '15 S4 - When to meet?
CCC
15p
20.0%
8
CCCHK '15 S5 - Can I pass the courses?
CCC
25p
5.4%
6
CCC '06 J5 - CCC Othello
CCC
10p
36.0%
228
CCC '02 S4 - Bridge Crossing (Hard)
CCC
20
8.6%
32
CCC '00 S5 - Sheep and Coyotes (Hard)
CCC
20
5.6%
21
CCC '21 J1 - Boiling Water
CCC
3p
53.9%
3149
CCC '21 J2 - Silent Auction
CCC
3p
51.2%
2735
CCC '21 J3 - Secret Instructions
CCC
5p
36.1%
2506
CCC '21 J4 - Arranging Books
CCC
7p
19.6%
1317
CCC '21 S1 - Crazy Fencing
CCC
5p
47.7%
2554
CCC '21 S2 - Modern Art
CCC
7p
29.0%
2249
CCC '21 S3 - Lunch Concert
CCC
10p
24.6%
1017
CCC '21 S4 - Daily Commute
CCC
12p
26.1%
583
CCC '21 S5 - Math Homework
CCC
15p
24.5%
418
CCC '22 S1 - Good Fours and Good Fives
CCC
5p
39.4%
2125
CCC '22 S2 - Good Groups
CCC
5p
26.1%
1553
CCC '22 S3 - Good Samples
CCC
10p
18.3%
651
CCC '22 S4 - Good Triplets
CCC
15p
28.5%
310
CCC '22 S5 - Good Influencers
CCC
17p
32.6%
185
CCC '22 J1 - Cupcake Party
CCC
3
55.4%
2910
CCC '22 J2 - Fergusonball Ratings
CCC
3
47.7%
2656
CCC '22 J3 - Harp Tuning
CCC
5p
33.3%
1491
CCC '22 J5 - Square Pool
CCC
10p
20.5%
462
CCC '23 S1 - Trianglane
CCC
5p
31.9%
1705
CCC '23 S2 - Symmetric Mountains
CCC
7p
26.6%
813
CCC '23 S3 - Palindromic Poster
CCC
10p
15.4%
420
CCC '23 S4 - Minimum Cost Roads
CCC
15p
19.8%
254
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