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
...
39
40
41
42
43
44
...
100
101
»
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
Point range
Go
Random
Hot problems
CCC '21 S2 - Modern Art
COCI '13 Contest 2 #5 Paleta
Arcadia Computing Contest 1 P2 - Chemistry
Arcadia Computing Contest 1 P3 - ScanTron
CCO '07 P2 - Snowflakes
Segment Tree Practice 1
Arcadia Computing Contest 1 P4 - Cyclic Sorting
Problem
Category
Points
AC %
Users
DMOPC '17 Contest 2 P1 - 0-1 Knapsack
DMOPC
3
29.3%
386
DMOPC '17 Contest 2 P2 - Balance
DMOPC
5p
16.8%
331
DMOPC '17 Contest 2 P3 - Bad Bunnies
DMOPC
10p
25.5%
407
DMOPC '17 Contest 2 P4 - Mimi and Dictionary
DMOPC
12p
22.0%
86
DMOPC '17 Contest 2 P5 - Game
DMOPC
20p
15.3%
9
DMOPC '17 Contest 2 P6 - Lazy Days
DMOPC
15p
15.2%
35
DMOPC '17 Contest 3 P0 - 2-Satisfiability
DMOPC
3
50.5%
332
DMOPC '17 Contest 3 P1 - An Early Christmas Present
DMOPC
3p
61.0%
481
DMOPC '17 Contest 3 P2 - Towers of Hanoi
DMOPC
7p
18.4%
86
DMOPC '17 Contest 3 P3 - N-Kat
DMOPC
10p
18.2%
87
DMOPC '17 Contest 3 P4 - Solitaire Logic
DMOPC
10p
27.9%
17
DMOPC '17 Contest 3 P5 - Picnic Planning
DMOPC
15
23.5%
14
DMOPC '17 Contest 3 P6 - Mimi and Scarf
DMOPC
25p
7.7%
18
DMOPC '17 Contest 4 P0 - Catch
DMOPC
3
24.9%
197
DMOPC '17 Contest 4 P1 - Ribbon Colouring Fun
DMOPC
5p
30.9%
318
DMOPC '17 Contest 4 P2 - A Heavy Light Decomposition Problem
DMOPC
7p
12.4%
122
DMOPC '17 Contest 4 P3 - Third Place
DMOPC
7p
16.7%
140
DMOPC '17 Contest 4 P4 - Cops and Robbers
DMOPC
7p
20.9%
209
DMOPC '17 Contest 4 P5 - Revised IOI
DMOPC
12
27.2%
40
DMOPC '17 Contest 4 P6 - Best Girl
DMOPC
25p
14.9%
11
DMOPC '17 Contest 5 P0 - Mimi and Pizza
DMOPC
3
38.4%
330
DMOPC '17 Contest 5 P1 - IOI 101
DMOPC
3p
48.8%
492
DMOPC '17 Contest 5 P2 - Mimi and Binary
DMOPC
5p
20.3%
277
DMOPC '17 Contest 5 P3 - Mimi and Primes
DMOPC
7p
13.4%
437
DMOPC '17 Contest 5 P4 - Intersecting Arcs
DMOPC
17p
19.8%
65
DMOPC '17 Contest 5 P5 - XOR Bridges
DMOPC
15p
18.7%
56
DMOPC '17 Contest 5 P6 - Bridges
DMOPC
20p
14.8%
7
DMOPC '18 Contest 1 P0 - Sorting
DMOPC
3
47.0%
573
DMOPC '18 Contest 1 P1 - Sorting
DMOPC
5p
14.9%
323
DMOPC '18 Contest 1 P2 - Sorting
DMOPC
5p
59.6%
249
DMOPC '18 Contest 1 P3 - Sorting
DMOPC
12p
22.1%
96
DMOPC '18 Contest 1 P4 - Sorting
DMOPC
12p
14.2%
86
DMOPC '18 Contest 1 P5 - Sorting
DMOPC
12p
24.7%
32
DMOPC '18 Contest 1 P6 - Sorting
DMOPC
20p
18.9%
32
DMOPC '18 Contest 2 P0 - Mimi and Video Games
DMOPC
3
46.7%
437
DMOPC '18 Contest 2 P1 - Pumpkin Patches
DMOPC
3
57.9%
441
DMOPC '18 Contest 2 P2 - Booster Cushions
DMOPC
5p
18.3%
188
DMOPC '18 Contest 2 P3 - Thanksgiving Feast
DMOPC
10p
41.7%
319
DMOPC '18 Contest 2 P4 - Damage Output
DMOPC
7p
22.0%
449
DMOPC '18 Contest 2 P5 - Another Sequence Problem
DMOPC
15p
12.8%
50
DMOPC '18 Contest 2 P6 - Standing Ovation
DMOPC
30p
15.6%
16
DMOPC '18 Contest 2 P6 - Standing Ovation (Hard Version)
DMOPC
35
1.9%
1
DMOPC '18 Contest 3 P0 - Bob and ICS Class
DMOPC
3p
47.0%
212
DMOPC '18 Contest 3 P1 - Bob and Music Class
DMOPC
5
44.8%
103
DMOPC '18 Contest 3 P2 - Bob and French Class
DMOPC
7p
37.6%
411
DMOPC '18 Contest 3 P3 - Bob and Math Class
DMOPC
10p
14.9%
55
DMOPC '18 Contest 3 P4 - Bob and English Class
DMOPC
15p
34.1%
126
DMOPC '18 Contest 3 P5 - Bob and Physics Class
DMOPC
15p
12.0%
16
DMOPC '18 Contest 3 P6 - Bob and Suffering
DMOPC
30p
20.2%
8
DMOPC '18 Contest 4 P0 - Dr. Henri and Seeing Stars
DMOPC
3p
37.3%
248
«
1
2
...
39
40
41
42
43
44
...
100
101
»