Sphere Online Judge
sign in
News
Problems
basics
challenge
classical
none
partial
riddle
tutorial
Status
Ranking
Forum
SPOJ
time:
2025-06-04
20 : 31 : 20
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
1
2
3
4
5
6
7
8
9
Next
>
ID
NAME
CODE
USERS
ACC %
8146
Integer Concatenation
CONCATE
10
63.33
8218
Problem 4
NOVICE24
84
36.59
8289
Find the unique Number
REPEAT
165
27.15
8293
Bit count
BITCNT
65
37.45
8354
Birthday cake
BICAKE
87
46.29
8379
count frequency of digits
DOPECNT
25
48.33
8437
MODULUS
PROBLEM1
430
53.50
8458
ALIGNSUBTRACT
PROBLEM5
12
18.46
8459
AVERYEASYPROBLEM
PROBLEM6
71
57.87
8468
AVERAGE
AVG
1267
38.04
8524
Back to High School Physics
BTHSP
433
85.65
8530
Skew Binary
SKEWB
81
64.03
8582
Data transfer
PROKT1
6
9.20
8621
Prime Permutations (easy)
TPRIMPER
133
56.95
8749
Waiting for Easter
TEASTER
89
34.99
8792
N - DIGIT NUMBERS
NDIGITS
266
35.57
8897
Vadivu vs Kanth
VKANTH
157
38.50
8900
LUCKYNINE
NITHY
475
33.12
8901
BRAINF__K DESIGN
BF
21
55.81
8911
FREE PATHS
WAYS2
90
39.61
8931
PATHS( no source code limit)
WAYS3
50
54.24
9333
Student Proxy
AUCSE012
195
26.69
9465
Spectrum of colours
SPECTRUM
56
65.81
9808
Topological Sorting
TOPOSORT
6087
30.68
10362
TRIVIADOR
QWERTY04
98
40.13
11040
UJ Test 1
UJTEST1
12
9.33
11062
Binary search
BSEARCH1
4934
19.09
11210
Arya and the exponacci
OPC3A
329
40.24
11264
FUN WITH NUMBERS
ACMCEG2A
116
34.07
11265
FIGUREFUL
ACMCEG2B
1330
33.33
11266
Pick the candies
ACMCEG2C
534
35.16
11368
Fibonacci brain
TSHOW2
470
44.67
11506
ANYTHING FOR ATTENDANCE
DIE4MARK
48
50.79
11507
SPIRAL RUN
SPIRAL2
374
52.04
11522
CHOCOLATES
CHOCLATE
84
41.16
11807
Think Different
BEANALGO
124
41.13
11902
Bit Maker
PALIN2
25
21.07
12072
Playing With Bits
IIITA1
176
54.34
12111
FirstProblem
RIOI_T_0
114
59.40
12607
Missing one
RIOI_2_1
25
90.00
13082
BINARY CHALLENGE
GOV01
287
32.24
13407
Einstein Ring
APCP1
7
35.00
13421
RELATIVE PRIMES
RLPRIMES
37
75.81
13422
THE JUMPING BALL
JUMPBALL
58
57.93
13650
Adel Challenge
ADEL
54
44.62
13662
H Number
HNUM
151
53.51
13669
I Robot
IROB
40
28.85
13674
Play with Matrices
PLAYMAT
38
29.57
13675
Tanks
NEWTANK
212
51.46
13677
Azooz
AZOOZ
243
55.60
© Spoj.com. All Rights Reserved. Spoj uses
Sphere Engine
™ © by
Sphere Research Labs
.