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
...
38
39
40
41
42
43
...
103
104
»
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
CIW
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
COCI '08 Contest 3 #2 Kemija
Canada Day Contest 2021 - CCC Bad Haha
CCC '21 S2 - Modern Art
DMOPC '18 Contest 4 P3 - Dr. Henri and Ionization
CCC '16 S3 - Phonomenal Reviews
CCC '25 J3 - Product Codes
CCC '17 S3 - Nailed It!
Problem
Category
Points
AC %
Users
DMOPC '13 Contest 3 P2 - Phone Microwave
DMOPC
7p
27.6%
200
DMOPC '13 Contest 3 P3 - Crossing Field
DMOPC
7p
22.2%
508
DMOPC '13 Contest 3 P4 - Snowman
DMOPC
15p
12.5%
34
DMOPC '13 Contest 3 P5 - A Romantic Dinner
DMOPC
10p
46.4%
423
DMOPC '14 Contest 1 P1 - Median Mark
DMOPC
5p
20.3%
717
DMOPC '14 Contest 1 P2 - Tiles
DMOPC
3p
55.2%
1381
DMOPC '14 Contest 1 P3 - New Students
DMOPC
3p
37.8%
955
DMOPC '14 Contest 1 P4 - Perfect Timing
DMOPC
5p
26.5%
169
DMOPC '14 Contest 1 P5 - Surprise Teleport
DMOPC
7p
21.7%
596
DMOPC '14 Contest 1 P6 - Biology Homework
DMOPC
17p
18.6%
35
DMOPC '14 Contest 2 P1 - Logging Log
DMOPC
3p
38.1%
853
DMOPC '14 Contest 2 P2 - Cutting Logs
DMOPC
5p
38.4%
587
DMOPC '14 Contest 2 P3 - Sawmill
DMOPC
7p
38.0%
658
DMOPC '14 Contest 2 P4 - Deforestation
DMOPC
5p
32.7%
1994
DMOPC '14 Contest 2 P5 - Sawmill Scheme
DMOPC
10p
20.6%
511
DMOPC '14 Contest 2 P6 - Selective Cutting
DMOPC
12p
29.5%
431
DMOPC '14 Contest 3 P1 - Not Enough Users!
DMOPC
3p
49.8%
967
DMOPC '14 Contest 3 P2 - Not Enough Rejudging!
DMOPC
5p
27.4%
259
DMOPC '14 Contest 3 P3 - Not Enough Personnel!
DMOPC
7p
31.5%
397
DMOPC '14 Contest 3 P4 - Not Enough Testers!
DMOPC
10p
18.9%
464
DMOPC '14 Contest 3 P5 - Not Enough Servers!
DMOPC
20p
19.6%
217
DMOPC '14 Contest 3 P6 - Not Enough Time!
DMOPC
10p
35.8%
524
DMOPC '14 Contest 4 P1 - New Key
DMOPC
3p
31.9%
232
DMOPC '14 Contest 4 P2 - Redirection
DMOPC
3p
45.2%
199
DMOPC '14 Contest 4 P3 - Golden Lily
DMOPC
10p
23.6%
272
DMOPC '14 Contest 4 P4 - Sketchley Park
DMOPC
12p
16.1%
110
DMOPC '14 Contest 4 P5 - Aircraft Carrier Akagi
DMOPC
20p
38.7%
25
DMOPC '14 Contest 4 P6 - Save Nagato!
DMOPC
10p
24.3%
576
DMOPC '14 Contest 5 P1 - Core Drill
DMOPC
3p
57.3%
6311
DMOPC '14 Contest 5 P2 - Longest Tunnel
DMOPC
3p
64.3%
824
DMOPC '14 Contest 5 P3 - Brotherly Sequence
DMOPC
5p
20.9%
318
DMOPC '14 Contest 5 P4 - Kittan's Dilemma
DMOPC
10p
12.7%
142
DMOPC '14 Contest 5 P5 - Attack on Anti-Spiral
DMOPC
25p
16.8%
23
DMOPC '14 Contest 5 P6 - Nia and Dominoes
DMOPC
20p
9.5%
10
DMOPC '14 Contest 6 P1 - Finding Bessarion
DMOPC
3
23.8%
408
DMOPC '14 Contest 6 P2 - GO Faster
DMOPC
5p
42.0%
260
DMOPC '14 Contest 6 P3 - Streetcars
DMOPC
7p
13.3%
69
DMOPC '14 Contest 6 P4 - Bus Jam
DMOPC
10p
46.7%
192
DMOPC '14 Contest 6 P5 - Planning
DMOPC
15p
23.8%
37
DMOPC '14 Contest 6 P6 - Trip
DMOPC
17p
19.7%
16
DMOPC '14 Contest 7 P1 - Flare
DMOPC
3p
53.7%
627
DMOPC '14 Contest 7 P2 - Tides
DMOPC
5p
19.4%
931
DMOPC '14 Contest 7 P3 - Globally Unique Shells
DMOPC
5p
34.4%
252
DMOPC '14 Contest 7 P4 - Sand Triangle
DMOPC
7p
38.1%
234
DMOPC '14 Contest 7 P5 - Aurora
DMOPC
10p
30.0%
65
DMOPC '14 Contest 7 P6 - Revenge of the Bins
DMOPC
20p
33.2%
116
DMOPC '14 Exam Time P1 - French Homework
DMOPC
3
46.1%
486
DMOPC '14 Exam Time P2 - Physics Duel
DMOPC
5p
47.5%
134
DMOPC '14 Exam Time P3 - Chemistry Homework
DMOPC
10p
24.2%
116
DMOPC '14 Exam Time P4 - Exam Delay
DMOPC
10p
20.8%
256
«
1
2
...
38
39
40
41
42
43
...
103
104
»