Sphere Online Judge
sign in
News
Problems
basics
challenge
classical
none
partial
riddle
tutorial
Status
Ranking
Forum
SPOJ
time:
2025-09-05
23 : 12 : 13
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
11
12
13
14
15
16
17
18
19
20
21
Next
>
ID
NAME
CODE
USERS
ACC %
9458
Ghosts having fun
GHOSTS
223
12.20
9459
Connecting three towns (variation)
THREETW1
56
24.43
9489
Johny Hates Math
ANARC07J
26
7.19
9493
Advanced Fruits
ADFRUITS
2263
37.52
9494
Just Add It
ZSUM
6463
46.85
9503
Working in Beijing
WORKB
645
49.07
9504
Paint on a Wall
PAINTWAL
26
42.31
9505
Distinct Subtrees
DSUBTREE
21
25.27
9506
Jimmy´s Travel Plan
DIST2
23
40.66
9507
Mario and Mushrooms
MARIO2
346
57.00
9508
Magic Bitwise AND Operation
AND
107
12.66
9509
Shortest Path on a Cylinder
CYLINDES
28
31.51
9510
Ads Proposal
ADSPROP
72
26.14
9511
24-Puzzle
PUZZLE24
24
17.76
9512
Bombing
BOMB2
89
23.46
9513
Game
TETRISGM
20
18.58
9515
Dwarven Sniper´s Hunting
HUNT1
18
39.34
9516
XOR Equations
XOREQ
18
20.00
9517
Unlock the Cellphone
UNLOCK
12
23.64
9518
The Time of Day
LCM
39
21.98
9519
Distinct Submatrices
DSUBMTR
26
14.22
9520
Tanks
TANKS
16
12.67
9525
Cipher
CIPHERJ
101
21.10
9527
Department
DEPARTJ
11
7.37
9528
Johns Trip
JTRIP
21
29.29
9529
Maya Calendar
MAYCA
221
30.60
9532
Transportation
TRANSJ
22
28.57
9534
Turn on the lights
JZPLIT
73
33.00
9535
Turn on the lights 2
JZPLIT2
23
32.97
9543
Dynamic Congruence Equation System
DCES
10
54.97
9547
Counting d-pairs
DPAIR
138
30.45
9569
Sum of Pairwise Products
PAIRSUM
841
31.50
9570
Counting binary strings
STRCOUNT
340
53.14
9576
Dynamic Graph Connectivity
DYNACON2
328
38.05
9577
Dynamic Tree Connectivity
DYNACON1
655
28.76
9587
The Prime conjecture
PRIMEZUK
574
34.49
9636
A Canvas Building
ACANVAS
71
18.04
9637
Black and White
BANDW
2183
54.18
9638
Circuits
CIRCUITS
25
9.33
9640
Equilibrium
EQUI
256
28.14
9641
Factory of Bridges
FBRIDGES
69
26.01
9642
Getting There Fast
GETFAST
19
17.69
9643
He is Lazy
HEISLAZY
157
41.73
9644
Imperialism
IMPER
174
30.69
9645
Joy of CompuTenis
JOCTENIS
9
15.38
9650
Mega Inversions
TRIPINV
617
42.94
9652
Robots on a grid
ROBOTGRI
865
19.47
9655
Elevator Trouble
ELEVTRBL
4333
32.39
9685
Zombie’s Treasure Chest
ZTC
83
13.68
9686
Yummy Triangular Pizza
YUMMY
485
65.64
© Spoj.com. All Rights Reserved. Spoj uses
Sphere Engine
™ © by
Sphere Research Labs
.