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
...
76
77
78
79
80
81
...
99
100
»
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
WC '01 P3 - Back to the Future
DWITE '10 R3 #3 - Dominos Tiling
A Math Contest P5 - Good Arrays
GFSSOC '15 Winter S1 - OR-deal
Counting Subsequences
CCC '11 S1 - English or French?
CCC '13 S1 - From 1987 to 2013
Problem
Category
Points
AC %
▾
Users
ACM U of T Tryouts C1 E - Foxling Feeding Frenzy
ICPC
7
30.3%
118
ACM U of T Tryouts C0 B - Interleaving Leaves
ICPC
5
53.9%
682
ACM U of T Tryouts C2 A - The Super Mario Blues
ICPC
5
36.0%
302
ACM U of T Tryouts C2 E - MVP
ICPC
15
27.2%
32
ACM U of T Tryouts C3 A - A Research Project
ICPC
3
50.5%
442
ACM U of T Tryouts C1 D - Reverse Fox Hunt
ICPC
10
32.5%
64
ACM U of T Tryouts C3 D - A Frightening Evening
ICPC
5
21.1%
45
ACM U of T Tryouts C1 A - Rock Paper Scissors Fox
ICPC
3
49.3%
860
ACM U of T Tryouts C2 F - Light Cyclin'
ICPC
20
17.1%
69
ACM U of T Tryouts C1 F - Foxic Expressions
ICPC
15
15.1%
26
ACM U of T Tryouts C3 C - A Subtle Surf
ICPC
10
22.6%
72
ACM U of T Tryouts C0 A - Max Flow
ICPC
3
60.4%
985
Revenge of the Digger
Uncategorized
20p
32.8%
62
Return of the Digger
Uncategorized
15p
6.8%
15
NOI '97 P6 - Satellite Coverage
China NOI
12p
39.5%
27
NOI '99 P1 - 01 Sequence
China NOI
20p
25.9%
12
NOI '00 P3 - Mystery of the Lost City
China NOI
17p
40.0%
9
NOI '98 P3 - Software Installation Disk
China NOI
15p
43.8%
3
NOI '01 P4 - Applications of Arctangent
China NOI
15
28.1%
81
NOI '01 P2 - Artillery Positioning
China NOI
20p
29.7%
47
NOI '01 P1 - Food Chain
China NOI
15p
25.4%
83
NOI '14 P6 - Ticket Purchase
China NOI
30p
13.0%
37
NOI '14 P5 - Random Number Generator
China NOI
12p
24.3%
52
NOI '98 P6 - Parallel Computing
China NOI
25p
0.0%
0
NOI '98 P1 - Personal Income Tax
China NOI
7
57.5%
20
NOI '00 P4 - Trie
China NOI
7
50.3%
120
NOI '99 P2 - Nails and Ball
China NOI
15p
20.3%
15
NOI '06 P3 - Millennium Worm
China NOI
25p
15.9%
7
NOI '97 P2 - Optimal Routing
China NOI
7p
28.5%
59
NOI '01 P5 - Equation Solutions
China NOI
15p
8.4%
67
NOI '99 P3 - Birthday Cake
China NOI
20p
12.7%
6
NOI '14 P1 - Getting-Up Syndrome
China NOI
10p
27.0%
153
NOI '06 P4 - Maximum Profit
China NOI
20p
26.4%
80
NOI '01 P3 - The Clever Typist
China NOI
15p
31.1%
39
NOI '00 P1 - Ceramic Necklace
China NOI
5
32.1%
59
NOI '98 P4 - Scarf Cutting
China NOI
15p
24.5%
8
NOI '99 P4 - Chessboard Division
China NOI
15p
20.3%
14
NOI '01 P6 - Secret of the Meteorite
China NOI
15p
27.4%
26
NOI '00 P5 - Frogs Crossing the River
China NOI
10p
29.7%
24
NOI '98 P2 - Free Pizza
China NOI
15p
17.7%
12
NOI '97 P1 - Competition Ranking
China NOI
7
32.3%
38
NOI '97 P3 - File Matching
China NOI
25p
0.0%
0
NOI '13 P4 - Matrix Game
China NOI
20p
17.6%
30
NOI '14 P4 - Zoo
China NOI
15p
27.8%
77
NOI '14 P2 - Enchanted Forest
China NOI
20p
9.6%
61
NOI '00 P6 - Symbol Deciphering
China NOI
40p
1.6%
1
NOI '03 P2 - Text Editor
China NOI
10p
23.8%
40
NOI '97 P4 - Perfect Tour
China NOI
5
31.7%
138
NOI '05 P4 - CongCong and KoKo
China NOI
15p
19.9%
59
NOI '97 P5 - Building Game
China NOI
15p
27.1%
23
«
1
2
...
76
77
78
79
80
81
...
99
100
»