Home
Problems
Submissions
Users
Contests
About
>
Status
Tips
API
Github
Log in
or
Sign up
This site works best with JavaScript enabled.
Problems
«
1
2
...
46
47
48
49
50
51
...
102
103
»
Problem search
Full text search
Has editorial
Show problem types
Category
All
---
AAC
ACC
APIO
Balkan OI
Baltic OI
BlueBook
Brazil OI
Bubble Cup
Bulgarian OI
CCC
CCO
CEOI
China NOI
Classics
COCI
CSPC
CTF
Data Structure Tests
DMOPC
DWITE
ECOO
EGOI
ESOI
FHC
Fun Math
GFSSOC
Google Code Jam
Google Hash Code
Google Kick Start
ICPC
IOI
JOI
Mock CCC
Mock CCO
MWC
Olympiads School
POI
SAC Coding Challenge
Seasonal
SIUCF
Taiwan NOI
TLE
TSOC
Uncategorized
VM7WC
WAC
Waterloo Local
Woburn Challenge
YAC
All
Point range
0
50
Go
Random
Hot problems
CCC '25 S4 - Floor is Lava
HHPC1 P2 - Yuniformity Challenge
CCC '16 S4 - Combining Riceballs
COCI '20 Contest 1 #4 Papričice
COCI '22 Contest 4 #2 Zrinka
CCC '10 J5 - Knight Hop
CCC '20 S3 - Searching for Strings
Problem
Category
Points
AC %
Users
DMPG '18 B3 - Shimpossible
DMOPC
7p
17.7%
65
DMPG '18 B4 - Shimnanigans
DMOPC
5p
27.7%
89
DMPG '18 B4 - Shimnanigans (Hard Version)
DMOPC
5
42.8%
39
DMPG '18 B5 - Mimi and Substrings
DMOPC
7p
30.0%
169
DMPG '18 B6 - House of Cards
DMOPC
7p
41.6%
206
DMPG '18 G1 - Musical Chairs
DMOPC
10p
26.6%
323
DMPG '18 G2 - Gardening Fun
DMOPC
15p
45.0%
32
DMPG '18 G3 - Lonely Carrot's Anguish
DMOPC
20p
14.1%
24
DMPG '18 G4 - Variation
DMOPC
15p
29.4%
27
DMPG '18 G5 - Triangles
DMOPC
15p
20.5%
29
DMPG '18 G6 - Class Chitchat
DMOPC
20p
27.8%
86
DMPG '18 S1 - Mimi and Types
DMOPC
5
27.2%
98
DMPG '18 S2 - Mimi and K-uteness
DMOPC
7p
26.4%
185
DMPG '18 S3 - Black and White IV
DMOPC
7p
12.8%
48
DMPG '18 S4 - Mimi and Prize
DMOPC
12p
21.9%
85
DMPG '18 S5 - Mimi and Division
DMOPC
15p
16.5%
175
DMPG '18 S6 - Mimi and Carrots
DMOPC
17p
24.4%
23
DMPG '19 B1 - Registration
DMOPC
3
56.7%
334
DMPG '19 B2 - Rectangular Molecules
DMOPC
3
39.8%
233
DMPG '19 B3 - Contact
DMOPC
3
31.5%
259
DMPG '19 B4 - Braille
DMOPC
5
42.9%
199
DMPG '19 B5 - Triangles
DMOPC
10p
11.3%
102
DMPG '19 B6 - Oddity
DMOPC
10
20.9%
60
DMPG '19 G1 - Camera Calibration Challenge
DMOPC
12p
7.9%
21
DMPG '19 G2 - Test Marks
DMOPC
20p
15.7%
4
DMPG '19 G3 - A Round Problem
DMOPC
20p
26.8%
8
DMPG '19 G4 - Carpet Cleaning Chore
DMOPC
12p
12.8%
11
DMPG '19 G5 - Hunting the White Whale
DMOPC
20p
14.3%
74
DMPG '19 G6 - Pairs
DMOPC
20p
25.2%
13
DMPG '19 S1 - Candy Shop Tycoon
DMOPC
5
26.5%
170
DMPG '19 S2 - Code Cracking Crisis
DMOPC
7
26.8%
98
DMPG '19 S3 - Chemical Counting Capers
DMOPC
10p
12.0%
58
DMPG '19 S4 - Confusing Crossword Conundrum
DMOPC
12p
13.6%
41
DMPG '19 S5 - Secret Sort
DMOPC
12p
13.3%
7
DMPG '19 S6 - A Strange Array
DMOPC
15p
14.6%
40
Dominoes
Uncategorized
25
9.1%
49
Maximum Sum
Uncategorized
7
33.6%
846
A Game
Uncategorized
10
30.2%
381
Longest Increasing Subsequence
Uncategorized
7
29.7%
696
Counting Subsequences
Uncategorized
10
22.0%
338
Educational DP Contest AtCoder A - Frog 1
Uncategorized
7
46.4%
1284
Educational DP Contest AtCoder B - Frog 2
Uncategorized
7
43.4%
941
Educational DP Contest AtCoder C - Vacation
Uncategorized
7
60.0%
905
Educational DP Contest AtCoder D - Knapsack 1
Uncategorized
7
38.9%
1141
Educational DP Contest AtCoder E - Knapsack 2
Uncategorized
7
23.9%
683
Educational DP Contest AtCoder F - LCS
Uncategorized
7
35.2%
542
Educational DP Contest AtCoder G - Longest Path
Uncategorized
10
47.5%
513
Educational DP Contest AtCoder H - Grid 1
Uncategorized
7
43.6%
702
Educational DP Contest AtCoder I - Coins
Uncategorized
10
54.1%
391
Educational DP Contest AtCoder J - Sushi
Uncategorized
12
53.6%
243
«
1
2
...
46
47
48
49
50
51
...
102
103
»