Sphere Online Judge
sign in
News
Problems
basics
challenge
classical
none
partial
riddle
tutorial
Status
Ranking
Forum
SPOJ
time:
2025-06-07
11 : 33 : 19
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 tutorial problems
<
Previous
5
6
7
8
9
10
11
12
13
14
15
Next
>
ID
NAME
CODE
USERS
ACC %
12607
Missing one
RIOI_2_1
25
90.00
12608
Switch
RIOI_2_2
33
81.82
12648
The Last Exam
HMEXAM
14
55.56
12650
Even and Odd
EVENODD
66
35.04
12753
Fan Switches
QN03
236
67.46
12793
The power of two
ATWO
109
51.16
12801
Browsing History
HISTORY2
51
40.88
12823
Print Big Binary Numbers
PBBN1
19
58.23
12910
Addicted Numbers
TA1
147
29.44
13082
BINARY CHALLENGE
GOV01
287
32.24
13085
Game
PCPC12A
159
68.57
13088
Free Palestine
PCPC12B
137
29.66
13089
Tetravex
PCPC12C
139
53.33
13115
Julius Caesar Cipher
PUCMM332
22
30.23
13153
Fast Division
FDIV
118
49.57
13154
Very Fast Division
VFDIV
19
38.69
13200
Sum It Up
KIDZEE1B
219
26.02
13201
Multiple of 3
KIDZEE1C
377
39.21
13202
Great Grading Scheme
KIDZEE1D
163
26.09
13203
Sort them All
KIDZEE1E
149
39.86
13204
Easy as Cake
KIDZEE1F
277
58.58
13206
Multiples
KIDZEE1G
151
45.48
13207
Digital Triangle
KIDZEE1H
114
49.34
13208
In Love with Loops
KIDZEE1I
64
39.77
13209
Divisors
KIDZEE1J
143
45.61
13210
Fun Triangle
KIDZEE1K
117
32.55
13211
Progression
KIDZEE1L
75
19.32
13212
Seconds Apart
KIDZEE1M
55
37.14
13213
Rectangle Intersection
KIDZEE1N
61
17.87
13215
Kings on an Infinite Chessboard
KIDZEE1O
68
34.97
13216
Progression
KIDZEE1P
59
32.63
13238
SAMPLE PROB
APARNA
6
11.24
13276
Who is Mafia
MAFIA
221
57.68
13356
Count Zero
FACTBASE
70
89.83
13383
Next odd extreme golf
NEXTODD2
22
52.00
13385
Balanced Bracket Expression
BALBRAC
23
20.42
13386
Rotations
TABROT
15
28.57
13389
Letter Count
MAY99_E1
771
55.55
13390
Reverse Words
DAYOUT2A
121
31.12
13391
Binary
DAYOUT2B
62
39.61
13392
Prime Or Not
DAYOUT2C
176
22.06
13393
Dragons
DAYOUT2D
50
43.27
13394
Big Dragons
DAYOUT2E
31
47.24
13395
More Dragons
DAYOUT2F
44
55.90
13396
Find Them All
DAYOUT2G
32
42.50
13397
How Many Primes
DAYOUT2H
140
37.86
13401
Sherlock
MAY99_E2
21
53.06
13407
Einstein Ring
APCP1
7
35.00
13421
RELATIVE PRIMES
RLPRIMES
37
75.81
13422
THE JUMPING BALL
JUMPBALL
58
57.93
© Spoj.com. All Rights Reserved. Spoj uses
Sphere Engine
™ © by
Sphere Research Labs
.