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Random
Hot problems
CCC '24 S2 - Heavy-Light Composition
WC '95 P4 - Wildcard
Max's Anger Contest Series 2 P3 - Array Anger
Max's Anger Contest Series 2 P2 - Password Anger
Cheerio Contest 1 S2 - School Expansion
SAC '22 Code Challenge 5 P2 - Querying Extensions
CCC '20 J4 - Cyclic Shifts
Problem
Category
Points
AC %
▴
Users
Educational DP Contest AtCoder D - Knapsack 1
Uncategorized
7
38.7%
1044
Educational DP Contest AtCoder E - Knapsack 2
Uncategorized
7
23.5%
626
Educational DP Contest AtCoder C - Vacation
Uncategorized
7
59.6%
831
Deemo's Problem
Uncategorized
15
13.6%
107
Educational DP Contest AtCoder F - LCS
Uncategorized
7
34.9%
503
Educational DP Contest AtCoder H - Grid 1
Uncategorized
7
43.4%
661
Educational DP Contest AtCoder I - Coins
Uncategorized
10
53.9%
353
Educational DP Contest AtCoder J - Sushi
Uncategorized
12
55.3%
215
Educational DP Contest AtCoder K - Stones
Uncategorized
10
53.1%
451
Educational DP Contest AtCoder L - Deque
Uncategorized
10
54.8%
462
Educational DP Contest AtCoder M - Candies
Uncategorized
12
34.3%
268
Educational DP Contest AtCoder N - Slimes
Uncategorized
12
47.8%
407
Educational DP Contest AtCoder O - Matching
Uncategorized
12
57.9%
328
Educational DP Contest AtCoder P - Independent Set
Uncategorized
12
35.9%
313
Educational DP Contest AtCoder Q - Flowers
Uncategorized
15
50.4%
278
Educational DP Contest AtCoder G - Longest Path
Uncategorized
10
47.5%
457
Educational DP Contest AtCoder R - Walk
Uncategorized
15
64.1%
136
Educational DP Contest AtCoder S - Digit Sum
Uncategorized
12
31.9%
117
Appleby Contest '19 P4 - Rectangles
Uncategorized
7p
19.6%
201
Appleby Contest '19 P2 - The Love Letter
Uncategorized
5p
29.3%
510
Mock CCC '20 S2 - Flipper Redux
Mock CCC
7p
26.5%
280
Appleby Contest '19 P5 - Matrix Operation
Uncategorized
10p
32.7%
297
CTU Open Contest 2018 - Horsemeet
ICPC
10
71.9%
13
CTU Open Contest 2018 - Rullete
ICPC
10
19.4%
10
TLE 2018-19 P2 - Willson and Trivial Problem
Seasonal
0
51.8%
393
TLE 2018-19 P3 - Feedback Survey
Seasonal
0p
53.1%
227
TLE 2018-19 P5 - Pure Functional Programming
Seasonal
40p
2.3%
4
CCO '96 P1 - Train Swapping
CCO
5
26.9%
212
CCO '96 P2 - SafeBreaker
CCO
10
36.2%
89
CCO '96 P3 - Quadtrees
CCO
15
48.4%
84
CCO '96 P4 - Where's Waldorf?
CCO
7
47.2%
81
CCO '96 P5 - All Roads Lead Where?
CCO
7
62.6%
271
CCO '96 P6 - Hoppers
CCO
15
15.5%
29
CERC '00 H - Hotline
ICPC
25
15.1%
43
CCC '19 S4 - Tourism
CCC
20p
7.7%
248
CCC '19 J1 - Winning Score
CCC
3
50.8%
7010
CCC '19 J2 - Time to Decompress
CCC
3
52.4%
3328
CCC '19 J3 - Cold Compress
CCC
5
46.2%
3158
CCC '19 J5 - Rule of Three
CCC
20p
0.7%
7
Count The Triplets
Uncategorized
7
10.5%
170
DS '19 Day 1 P1 - Arithmetic Square
Seasonal
20p
5.4%
1
DS '19 Day 2 P3 Inaho C
Seasonal
35p
13.9%
6
COCI '18 Contest 1 #2 Zamjena
COCI
7p
23.3%
41
A Combining Problem
Uncategorized
20
14.8%
19
All Pairs Shortest Path
Classics
20p
8.7%
6
Not an Aho-Corasick Problem
Uncategorized
20
10.0%
11
Another Sorting
Uncategorized
5p
36.1%
429
Palindromic Integer Partition
Uncategorized
5p
34.1%
300
The Return of A Plus B
Seasonal
0p
14.2%
341
Fast Bit Duplication
Uncategorized
10
32.3%
48
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