Sphere Online Judge
sign in
News
Problems
basics
challenge
classical
none
partial
riddle
tutorial
Status
Ranking
Forum
SPOJ
time:
2025-09-05
20 : 43 : 15
All
ADA95
DOC
ASM32-GCC
ASM32
ASM64
GAWK
MAWK
BASH
BC
BF
C-CLANG
C
NCSHARP
CSHARP
C++ 4.3.2
CPP
CPP14-CLANG
CPP14
C99
CLPS
CLOJURE
COBOL
COFFEE
LISP clisp
LISP sbcl
D
D-CLANG
D-DMD
DART
ELIXIR
ERL
FSHARP
FANTOM
FORTH
FORTRAN
GO
GOSU
GRV
HASK
ICON
ICK
JAR
JAVA
JS-RHINO
JS-MONKEY
JULIA
KTLN
LUA
NEM
NICE
NIM
NODEJS
OBJC
OBJC-CLANG
OCAML
OCT
PAS-GPC
PAS-FPC
PDF
PERL
PERL6
PHP
PICO
PIKE
PS
PRLG-swi
PROLOG
PYTHON
PYPY
PYPY3
PYTHON3
PY_NBC
R
RACKET
RUBY
RUST
SCALA
SCM guile
CHICKEN
SCM qobi
SED
ST
SQLITE
SWIFT
TCL
TEXT
UNLAMBDA
VB.NET
WHITESPACE
list of classical problems
<
Previous
2
3
4
5
6
7
8
9
10
11
12
Next
>
ID
NAME
CODE
USERS
ACC %
1676
Text Generator
GEN
260
21.88
1678
Royal Treasury
TREASURY
74
11.36
1693
Coconuts
COCONUTS
965
29.86
1715
Another Necklace Problem
NCKLCE
52
18.42
1716
Can you answer these queries III
GSS3
12128
43.83
1741
Tetris 3D
TETRIS3D
190
32.48
1748
Sequence Partitioning II
SEQPAR2
60
24.76
1754
Divisor Summation (Hard)
DIVSUM2
1347
15.69
1771
Yet Another N-Queen Problem
NQUEEN
326
24.55
1785
Code
CODE
231
26.44
1797
Cardsharper
CARD
7
22.06
1800
Fixed Partition Contest Management
CONTEST
63
36.99
1811
Longest Common Substring
LCS
3529
22.38
1812
Longest Common Substring II
LCS2
2100
18.39
2002
Random Number Generator
RNG
98
40.62
2371
Another Longest Increasing Subsequence Problem
LIS2
843
13.67
2416
Distinct Subsequences
DSUBSEQ
3783
36.34
2417
Eliminate The Enemies
ENEMY
22
19.74
2421
Incrementing The Integer
ININT
53
24.29
2511
Magic Program IV
MAGIC4
27
17.99
2670
Count Minimum Spanning Trees
MSTS
189
17.41
2816
Common Subsequences
CSUBSEQS
223
28.92
2817
Distinct Increasing Subsequences
INCDSEQ
795
24.57
2829
Time Limit Exceeded
TLE
260
21.67
2832
Find The Determinant III
DETER3
308
20.46
3442
The last digit
LASTDIG
30111
26.98
3464
Clock
CLOCK1
66
36.47
3466
Another Longest Common Subsequence Problem
CS
6
5.66
3591
Patting Heads
PATHEADS
659
35.33
3723
Snooker
SNOOKER
459
50.51
3752
JEDNAKOST
JEDNAKOS
601
18.45
3898
Even Palindrome
PALDR
251
10.23
3953
Paid Roads
MMINPAID
261
27.57
3977
Police Query
POLQUERY
302
17.37
4070
Two Professors
TWOPROF
104
14.10
4157
Domino
DOMINO2
56
49.80
4164
A conjecture of Paul Erdős
HS08PAUL
2680
43.76
4185
Cube
CCCCUBE
57
35.57
4197
Dominoes
DOMINOES
125
23.08
4198
Lego
LEGO
195
25.40
4201
Coder Ratings
RATING
1397
35.83
4458
Rainbow
RAINBOW2
38
19.53
4528
Frog Wrestling
FROGS
69
37.50
4666
Wireless
WIRELESS
128
37.02
4761
Strategy game
HS09GAME
44
55.64
4785
Starship
HS09SHIP
16
31.25
4871
Bridge
BRI
161
24.59
4881
Words on graphs
AMBIG
108
11.94
4882
Counting in a DAG
DAGCNT2
181
11.99
4908
Run-Length Mathematics
RLM
721
41.17
© Spoj.com. All Rights Reserved. Spoj uses
Sphere Engine
™ © by
Sphere Research Labs
.