Multiply by 11

2

50 
Maths  String 
lock


Maximize permutations

18

16.67 
Maths  permutation  String 
lock


Number of edges in a Planar Graph

34

35.29 
Maths  String 
lock


Gray to Binary and Binary to Gray

36

44.44 
Maths 
lock


Fraction Trouble

43

32.56 
Maths 
lock


Missing Point of a Parallelogram

64

0 
geometry  Maths 
lock


Special Number

64

46.88 
Maths 
lock


Integral Points In Triangle

69

40.58 
geometry  Maths 
lock


Factorial Pairs

69

36.23 
Maths 
lock


Let's Go Shopping!

71

28.17 
Maths 
lock


Number of positive integral solutions

83

22.89 
Combinatorics  Maths  permutation  strings 
lock


Magical Box

94

18.09 
geometry  Maths 
lock


Cost of Sweets

97

42.27 
Maths 
lock


Finding Dory

108

51.85 
Maths 
lock


Psuedobinary Numbers

110

30.91 
Maths 
lock


Another Matrix Game

112

20.54 
maths  string 
lock


Palindrome in both Decimal and Binary

114

30.7 
Maths  palindrome 
lock


Minimum value product

121

35.54 
Array  Maths 
lock


Human and the tower

135

28.15 
Maths 
lock


Fraction Game

136

11.76 
Maths 
lock


Count unset bits in a given Range

137

48.91 
Maths 
lock


Rank of Matrix

156

58.33 
Maths  Matrix 
lock


Area of intersection of two circles

160

7.5 
geometry  Maths 
lock


Where Am I ?

162

56.17 
Maths 
lock


Euler Totient Function

170

35.88 
Maths  sieve 
lock


Division Problem

174

35.06 
Maths 
lock


Filling Bucket

179

34.64 
Maths  permutation 
lock


Good Numbers

182

48.35 
Maths 
lock


Pairs of Non Coinciding Points

182

25.27 
Hashing  Maths 
lock


Fun With Expresions

189

23.81 
Maths 
lock


Nth number made of prime digits

193

47.15 
Array  Maths 
lock


Learn Geometry

194

47.94 
Maths 
lock


Power of Pow  Even Number

194

45.88 
Maths  numbers 
lock


Base Equivalence

196

29.08 
Maths 
lock


Power of Pow  Odd Numbers

196

52.55 
Maths  numbers 
lock


Frobenius coin problem

197

41.62 
Maths 
lock


Ball coloring

198

38.38 
Maths 
lock


Left Most Digit of a product

199

27.14 
logarithm  Maths 
lock


Maximize the volume of Cuboid

204

30.39 
Maths 
lock


Maximize XOR

206

28.16 
BitAlgorithm  Maths 
lock


Assign Mice Holes

207

63.29 
Maths 
lock


Break the digital root code

213

48.83 
Maths 
lock


XOR Game

215

35.81 
Maths 
lock


Circular tour

227

30.84 
Maths 
lock


Permutations and Sum

227

33.48 
Maths  permutation 
lock


Cosmic Number

227

25.11 
Mathematical  Maths  numbers  String 
lock


Modified Numbers and Queries

231

7.79 
Maths  sieve 
lock


Maximum sum difference

233

28.76 
Maths 
lock


k modulus array element

236

38.98 
Array  Maths 
lock


BBT counter

236

26.27 
Maths  Tree 
lock


Maximum height of the staircase

239

58.16 
Maths 
lock

GoldmanSachs 
The dice problem

240

61.25 
Maths 
lock


The Drunkard

243

26.34 
Maths 
lock


Squares in Reactangle

243

16.05 
Maths 
lock


Create your own Calculator

244

29.51 
Gauss Elimination  Maths 
lock


Equalize an array in minimum operations

249

13.25 
Maths 
lock


Nth digit in sequence

257

29.57 
Maths 
lock


Rotate Page

259

20.08 
Maths 
lock


Lucky Number2

260

23.85 
Maths 
lock


Maximize OR

263

19.77 
BitAlgorithm  Maths 
lock


Number of Heads

266

21.8 
Maths 
lock


No of Factors of n!

267

23.97 
Maths 
lock


Crazy Equations

268

42.54 
Maths 
lock


Element in a Series

271

61.62 
Maths  series 
lock


Form a number divisible by 3 using array digits

273

56.41 
Maths 
lock


Trisha's Number

275

51.64 
Maths 
lock


Euler Totient

275

18.18 
Maths 
lock


Increment

276

42.75 
Maths 
lock

Motlay 
The Remaining Cake

278

23.02 
Maths  STL 
lock


Squares and divisibility

278

7.19 
Maths 
lock


Find nth term of series 1, 3, 6, 10, 15, 21â€¦

284

57.04 
Maths 
lock


Arrange Balls

292

45.89 
Maths  permutation 
lock


Nearest Power

293

19.11 
Maths 
lock


Array's Game

293

29.01 
Maths 
lock


Find X and Y in Linear Equation

302

17.22 
Maths 
lock


All numbers with specific difference

303

37.95 
Binary search  Maths 
lock


Dyck Path

307

40.07 
Maths 
lock


The Mighty Divisible Number

309

11.65 
division  Mathematical  Maths  number theory  numbers 
lock


Greater power

313

16.93 
Maths 
lock


Possible Pairs

314

19.75 
factorization  Maths 
lock


Largest Proper fraction

318

26.73 
Maths 
lock


Determine focal length of a spherical mirror

318

18.24 
Maths  Physics 
lock


First K Digits

319

29.47 
Maths 
lock


Divide the number

324

32.1 
Maths 
lock


Maximum Volume of a Rectangular Box

326

12.58 
Maths 
lock

TCS 
The invariable units digit

327

22.63 
Maths  strings 
lock


Check if two given circles touch each other

328

39.02 
Maths 
lock


Total digits

333

45.05 
Maths 
lock


Long Long Decimal

335

41.49 
Maths 
lock


Time Difference

338

38.17 
Maths 
lock


The Prime Twins

338

44.08 
Maths  sieve 
lock


Find the safe position

341

27.57 
Maths 
lock


Count number of digits after decimal

342

15.79 
Maths 
lock


Dimensions of Rectangle

348

35.34 
Combinatorics  Maths 
lock


Find unit digit in a Product

353

18.41 
Maths  number theory 
lock


Type of input

360

24.17 
Maths 
lock


Decreasing Sequence

366

20.77 
Array  Maths 
lock


Carol Numbers

366

6.83 
Maths  modular exponentiati 
lock


Sum of all divisors from 1 to n

369

14.09 
Maths 
lock


One's Complement

374

50.27 
BitAlgorithm  Maths 
lock


Number of subsets and mean

382

27.23 
Maths 
lock


Helping Meesa

388

16.75 
Maths 
lock


Woodall Number

391

44.5 
Maths 
lock


Killing Spree

391

27.88 
Binary search  Divide and Conquer  Maths 
lock


Make the hit in power game !

399

41.85 
Maths  numbers 
lock


Break a number

404

40.84 
Maths  number theory 
lock


Repeating GCD

406

17.24 
Maths 
lock


Generate all cyclic permutations of a number

411

23.6 
Maths 
lock


Express as sum of power of natural numbers

413

50.12 
Maths  Recursion 
lock


Consecutive numbers for sum

422

34.6 
Maths 
lock


Power Of 2 and Subsequences

427

26.93 
BitAlgorithm  Maths 
lock


Sharing

438

22.83 
Maths 
lock


Largest Divisibility Test

446

23.09 
Maths 
lock


Keith Number

455

34.95 
Maths  series 
lock


Sum of Query I

455

30.77 
Combinatorics  DynamicProgramming  Maths 
lock


Maximum GCD Pair

460

16.74 
Maths  sieve 
lock


Modular multiplicative inverse

464

34.48 
arithmetic modulo  Maths 
lock


Quick Exponents

468

18.59 
Maths 
lock


Multiply two polynomals

479

56.58 
Maths 
lock


Number of palindromic strings

479

25.05 
Combinatorics  DynamicProgramming  Maths  String 
lock


Circular Prime Number

485

33.4 
Maths  Prime 
lock


Largest power of prime

490

65.92 
Maths 
lock


Stuffs Division

497

47.08 
Array  Maths 
lock


Find the position of Mth item

503

28.23 
Maths 
lock


Count Integral Points

506

29.25 
Maths 
lock


Sum of Digit Modified

510

49.61 
Maths 
lock


Change all even bits in a number to 0

510

45.1 
BitAlgorithm  Maths 
lock


Sum of Divisors in an array

515

29.13 
Maths  sieve 
lock


Count numbers with unit digit K in given range

521

12.28 
Maths 
lock


First Digit of Product of Numbers

525

12.57 
Maths 
lock


Convert from any base to decimal

527

44.78 
Maths 
lock


Carmichael Numbers

534

14.23 
Maths 
lock


Brain Game

535

5.23 
Combinatorics  Maths 
lock


Anshuman's Favourite Number

540

63.15 
Maths  numbers 
lock


Binary fraction to decimal

541

21.44 
Maths 
lock


Faulty Keyboard

541

31.79 
Maths 
lock


Distance and Displacement

543

39.78 
Maths 
lock


Chinky and diamonds

543

55.25 
Maths  Queue  STL 
lock


Base Conversion

545

31.19 
Maths 
lock


John's Haircut

545

15.41 
Maths 
lock


Number of unique rectangles

546

21.98 
Maths 
lock


Number of ways to find two numbers

548

65.51 
Maths 
lock


Recamanâ€™s sequence

549

41.35 
Hashing  Maths  Recursion 
lock


Form a Triangle

549

16.76 
Array  Maths 
lock


Second Binary Digit

553

7.41 
Maths 
lock


Dr. Strange's powers

554

29.42 
Maths 
lock


Rectangle Number

561

43.67 
Maths 
lock


Odd Game

566

33.92 
Maths 
lock


Product of Complex Numbers

569

29.35 
Maths 
lock


India's unique railway track

574

40.94 
Maths 
lock


Forming Rectangle

574

40.94 
Maths 
lock


Find sum of even factors of a number

576

54.34 
Maths 
lock


Final Destination

579

25.39 
Maths 
lock


Sexy Primes

592

4.22 
Maths  sieve 
lock


Number of solutions

592

6.42 
Maths 
lock


Non Fibonacci Number

609

34.32 
fibonacci  Maths 
lock


Nearest multiple of 10

609

15.93 
Maths  String 
lock


Largest subarray with GCD one

610

29.51 
Array  Maths 
lock


Evaluate the expression

613

27.73 
Maths 
lock


Euler Totient Sum and Divisors

614

24.76 
Maths 
lock


Recursively find sum of digits

617

9.4 
Maths 
lock


Recursive sequence

617

53 
Maths  Recursion 
lock


Build the smallest

624

27.88 
Maths  String 
lock


Right most non zero digit

627

10.05 
Maths  modular arithmetic 
lock


Poisioned Sweet

631

27.42 
Maths 
lock


Diamond and Bags

639

22.69 
Maths 
lock


Count digits in a factorial

641

20.28 
Maths 
lock


Number and the Digit Sum

649

13.87 
Binary search  Maths  Searching 
lock


Find sum of divisors

657

61.19 
Maths  Prime 
lock


Game of Death in a circle

659

53.41 
Maths  Recursion 
lock


Matchsticks game

666

62.61 
Maths 
lock


Cutting Rectangles

667

20.39 
Combinatorics  Maths 
lock


Count rotations divisible by 4

676

20.12 
Maths 
lock


Permutation divisibility

676

17.9 
Maths  String 
lock


Metro Problem

679

37.26 
Maths 
lock


Weird Number

686

23.18 
Maths 
lock


Count Numbers in Range

687

26.2 
Mathematical  Maths  numbers  sieve 
lock


Value of polynomial

692

17.77 
Maths 
lock


Check if the number is balanced

693

34.78 
Maths  strings 
lock


Multiple in Table Tennis

697

38.31 
Maths 
lock


Triangular Number

706

58.22 
Maths 
lock


Square Numbers

718

3.48 
Maths  numbers 
lock


Modified Fibonacci

721

11.23 
fibonacci  Maths  modular arithmetic 
lock


Find the number of subarrays having even sum

725

58.48 
Array  Maths 
lock


Cows of FooLand

732

8.2 
Maths 
lock


Largest Product Pallindrome

738

19.11 
Maths 
lock

Yahoo 
Magic Triplets

740

27.3 
BitAlgorithm  Maths 
lock


Save Knights

741

43.72 
Maths 
lock

Amazon 
Tracks

745

17.45 
Array  Maths 
lock


Check squares

755

30.6 
Maths 
lock


7 Segment Display

757

12.55 
GreedyAlgorithm  Maths 
lock


nth digit of Fibonacci

759

44.01 
fibonacci  Maths  series 
lock


Floyd's triangle

760

56.71 
Maths 
lock


Nth digit of pi

768

1.04 
Maths 
lock


Next in Series

772

20.85 
fibonacci  Maths  progression  series 
lock

Inmobi 
Love For The Twins

773

47.09 
Hashing  Maths 
lock


Check a Integer is power of 3 or not

787

27.95 
Maths 
lock


Count Odd Factors

797

26.47 
Maths 
lock


Numbers containing 0's from 1 to N

804

47.76 
Maths 
lock


Happy Number

805

46.21 
Maths 
lock


Kaprekar Number

807

22.43 
Maths  series 
lock


Number Game

810

22.22 
Maths 
lock


Product is even or odd?

815

18.77 
Maths  strings 
lock


LCM Triplet

821

12.06 
Maths 
lock


Large Product2

829

13.15 
logarithm  Maths 
lock


Seeds of a number

843

26.33 
Maths 
lock

Epic systems 
Decimal to any base conversion

847

35.18 
Maths 
lock


Magnet Array Problem

857

31.04 
Array  Maths  Searching 
lock

DEShaw 
Least Prime Factor

858

56.06 
Maths  Prime  sieve 
lock


Reverse Coding

860

61.28 
Maths 
lock


Maximum Collatz sequence length

861

25.32 
DynamicProgramming  Maths 
lock


Subtraction and two numbers

862

17.4 
Maths 
lock


Arithmetic Progression

863

16.92 
Maths 
lock

Microsoft 
Make Number Odd

879

47.78 
Maths 
lock


Right angled triangles

885

25.76 
Maths 
lock


GCD and Fibonacci Numbers

887

11.27 
fibonacci  Maths 
lock


Count numbers

889

51.74 
Maths 
lock


Sid and his prime money

895

8.49 
Array  Maths 
lock


Point lies or not

898

21.71 
Maths 
lock


Min value of x

904

35.51 
Maths 
lock


Find number of days between two given dates

910

16.37 
Maths 
lock


Minimum Notes Required

930

32.69 
Maths 
lock


The Nth Fibonnaci

934

33.08 
Maths 
lock

MAQSoftware 
Class Average

942

35.24 
Maths 
lock


GCD of two numbers

947

47.2 
Maths 
lock


Number of Days

949

16.97 
Maths 
lock


Tom and Jerry

950

46.11 
Maths 
lock


Partition a number into two divisible parts

953

24.87 
Maths  modular arithmetic  String 
lock


Smallest factorial number

977

23.13 
factorial  Maths  Searching 
lock


Repetitive Addition Of Digits

980

66.73 
Maths 
lock


Prime Factors and their Powers

985

41.62 
Maths  Prime  sieve 
lock


Large Factorial

995

32.06 
Array  Maths 
lock


Divisible Numbers

1006

23.26 
Maths 
lock


Jumping Geek

1024

36.72 
Maths 
lock


Maximum Profit

1028

50.49 
DynamicProgramming  Maths 
lock


Last nonzero digit in factorial

1032

20.35 
factorial  Maths  Recursion 
lock


Sum of product of x and y with floor(n/x) = y

1045

55.69 
Maths 
lock


Sum of Products

1046

59.94 
BitAlgorithm  Maths 
lock


Kth Prime factor of a Number

1058

23.82 
factorial  Maths  Prime  sieve 
lock


Substrings with similar first and last characters

1066

45.12 
Maths  String 
lock


Deficient Number

1069

37.89 
Maths  series 
lock


Generalised Fibonacci numbers

1098

8.74 
Maths  Matrix  modular arithmetic 
lock


Help Joey

1102

19.69 
Maths 
lock


Next sparse binary number

1104

45.65 
Maths 
lock

Amazon 
Number of 1's in smallest repunits

1136

39.88 
Maths 
lock

Amazon 
Minimum sum of factors

1144

9.7 
Maths 
lock


Check if date is valid

1144

26.57 
Maths 
lock


Odd Divisors

1152

48.96 
Maths 
lock


Sum of large numbers

1160

25.26 
Maths 
lock


Find the nth number in the sequence

1168

19.35 
Maths 
lock


Juggler Sequence

1175

37.53 
Maths  series 
lock


Strong Number

1183

64.84 
Maths 
lock


Power of Largest Prime

1187

12.81 
Maths  Prime 
lock


Number of Integer solutions

1194

43.47 
Maths 
lock


Squares in a Matrix

1199

26.77 
Maths  Matrix 
lock

Junglee Games 
Surface Area and Volume of Cuboid

1202

49.75 
Maths 
lock


First Digit

1206

13.76 
Maths 
lock


Magical Number

1244

16.48 
Maths 
lock


Minimum steps to get desired array

1253

50.12 
Array  Maths 
lock


Find the largest number

1256

14.81 
Maths 
lock


Parity of unsigned integer

1263

57.72 
BitAlgorithm  cryptography  Maths 
lock


Last two digits of Fibonacci

1273

15.71 
Fibonacci Number  Maths 
lock


Disarium Number

1280

46.64 
Maths 
lock


Sum of an AP

1289

50.81 
Maths 
lock


Palindromic Array

1290

51.86 
Maths 
lock

Amazon 
a^b(Set 2)

1304

29.83 
Maths 
lock


Factorial Number

1306

35.07 
Maths 
lock


Celsius to Fahrenheit Conversion

1320

55.53 
Maths 
lock


LCM of given array elements

1336

32.63 
Maths 
lock


Parallel or Perpendicular?

1349

42.03 
Maths  Physics 
lock


Java Operators(Arithmetic)  Set 1

1417

11.08 
Java  Maths 
lock


Area of Rectange, Right Angled Triangle and Circle

1418

46.47 
Maths 
lock


Perfect Squares in a Range

1418

57.9 
Maths 
lock


Fibonacci Sum

1430

12.31 
fibonacci  Maths 
lock


Largest Even Number

1446

28.56 
Maths  Sorting 
lock


Number of digits

1458

15.5 
Maths 
lock


All divisors of a natural number

1459

54.01 
Maths 
lock


Sum of Query II

1463

41.08 
Maths 
lock

Amazon 
Pell Number

1469

7.08 
Maths 
lock


Evaluate the x + a = b statement

1470

21.36 
Maths 
lock


Rohan's Love for Matrix

1481

15.4 
Maths  Matrix 
lock


Trailing zeroes in factorial

1484

53.77 
Maths 
lock

MakeMyTrip 
Tidy Number

1517

32.43 
Maths 
lock

Freshokartz 
Square Divisors

1533

25.7 
Maths 
lock


Compound Interest

1537

21.8 
Maths 
lock


Power of Numbers

1543

17.95 
Maths  modular arithmetic 
lock

MakeMyTrip 
The Lazy Catererâ€™s Problem

1549

56.36 
Maths 
lock


Cube root of a number

1557

47.91 
Maths 
lock


Day of the week

1559

28.61 
Maths 
lock

MorganStanley 
Sum of Digits Multiple

1559

50.1 
Maths 
lock


Automorphic Number

1559

44.71 
Maths 
lock


Strong Numbers

1560

42.31 
factorial  Maths 
lock


Palindrome numbers

1573

33.18 
Maths 
lock

Microsoft 
Check if the number is Fibonacci

1582

51.26 
fibonacci  Maths 
lock


Check if divisible by 36

1586

23.14 
Maths 
lock


Count Divisors of Factorial

1608

14.55 
Maths  Prime  sieve 
lock


Convex Hull

1611

12.85 
geometry  Maths 
lock

Adobe  GoldmanSachs 
Check if divisible by 4

1613

35.71 
Maths  String 
lock


Repeated sum of digits

1614

54.46 
Maths  number theory 
lock


Convert floating point to natural number

1617

13.73 
Maths 
lock


Check if divisible by 11

1622

30.58 
Maths  String 
lock


Faithful Numbers

1628

19.53 
Maths 
lock


XOR play

1628

10.87 
BitAlgorithm  Maths 
lock


12 hour clock addition

1630

47.24 
Maths 
lock


Sherlock and his Enemies

1639

12.39 
Maths 
lock


Maximum Possible Sum of Products

1647

35.82 
Maths  Sorting 
lock


Multiply 2 matrices

1649

37.17 
Maths  Matrix 
lock


Maximize The Array

1652

31.3 
Array  Maths  numbers 
lock

Microsoft 
Simple Interest

1678

54.35 
Maths 
lock


Sum of divisors

1689

57.67 
Maths  number theory 
lock


Total number of Strings

1689

48.85 
Maths  permutation 
lock

Amazon 
Count numbers containing 4

1691

34.3 
DynamicProgramming  Maths 
lock

DrishtiSoft 
Special Factorial Number

1694

12.51 
factorial  Maths 
lock


Matching Pair

1708

50 
Maths 
lock


Magic numbers

1762

13.62 
Maths 
lock


Subarray with least average

1766

25.03 
Maths 
lock


nPr

1768

32.52 
Maths 
lock


Check if divisible by 5

1769

34.48 
Maths  modular arithmetic 
lock


Pattern Jumping

1806

47.45 
Maths 
lock


No of Carry Operations

1840

21.9 
Maths  String 
lock


Roots of Quadratic Equation

1850

19.78 
Maths 
lock


Special Numbers

1855

22.16 
DynamicProgramming  Maths 
lock


Maximum distance

1861

25.52 
Maths 
lock


Check if a number is Perfect Square

1914

50.47 
Maths 
lock


Sum of Consecutives

1924

19.8 
BitAlgorithm  Maths 
lock


Distance between 2 points

1987

35.48 
geometric  Maths 
lock

zoho 
Common Divisors

1999

44.37 
Maths  number theory 
lock


Kth Smallest Factor

2002

9.54 
Maths 
lock


Largest number possible

2005

24.39 
GreedyAlgorithm  Maths 
lock


Maximum Area

2016

26.29 
Maths 
lock


Perfect Cubes in a Range

2017

25.14 
Maths 
lock


Find sum of different corresponding bits for all pairs

2039

51.84 
BitAlgorithm  Maths 
lock

Google 
Addition of Two Numbers

2065

54.29 
CPP  Maths 
lock


Product of two digit numbers

2083

13.63 
Maths 
lock


Magic Number

2097

52.36 
Maths 
lock

Amazon 
Is Square

2102

25.5 
Maths 
lock

Amazon 
Series AP

2112

67.95 
Maths 
lock


Game of XOR

2130

41.17 
Maths 
lock

Amazon 
Greatest of three numbers

2153

51.28 
Maths 
lock


Series GP

2174

24.66 
Maths 
lock


Prime Factors

2221

31.43 
Maths  Prime  sieve 
lock


Print table

2249

38.02 
Maths 
lock


Thief trying to escape

2276

28.16 
Maths 
lock

Cisco  MakeMyTrip 
Dice throw

2277

29.34 
Maths 
lock

Amazon 
Pairs of prime number

2323

46.49 
Maths 
lock

Amazon 
Last two digit fibonacci

2338

10.69 
fibonacci  Maths 
lock


Divisible by 8

2363

27.8 
Maths  String 
lock

Citrix 
Small Factorial

2396

33.22 
Maths 
lock


Sum of odd and even elements

2402

23.06 
Maths 
lock


3 Divisors

2421

16.4 
Maths 
lock


Prime Number

2438

46.96 
Maths  Prime 
lock


Nth Even Fibonacci Number

2442

13.55 
fibonacci  Maths 
lock


Add Binary Strings

2455

27.17 
Maths  String 
lock

Facebook  Microsoft 
C++ Operators  Set 1 (Arithmetic)

2480

34.8 
Maths 
lock


Arithmetic Number

2487

11.74 
Maths 
lock

OlaCabs  Paytm 
Check if the door is open or closed

2518

33.88 
Maths 
lock

TCS 
Swap two numbers

2551

49.67 
Maths 
lock


Sum of AP series

2566

11.07 
Maths 
lock


Squares in N*N Chessboard

2567

57.81 
Maths  number theory  permutation 
lock

GoldmanSachs  MAQSoftware 
Number Of Open Doors

2613

23.5 
Maths 
lock

TCS 
Finding Position

2655

57.48 
Maths  Recursion 
lock

Amazon 
a^b (Set 1)

2674

33.55 
Maths 
lock


Odd or Even

2679

54.35 
BitAlgorithm  Maths 
lock


Possible words from Phone digits

2688

36.27 
Array  Maths  Recursion 
lock

Amazon  Flipkart 
Average

2693

37.17 
Array  Maths 
lock


Rearrange an array with O(1) extra space

2768

63.76 
Array  Maths 
lock


Sum of Subarrays

2768

16.4 
Array  Maths  modular arithmetic 
lock


Mean

2793

39.63 
Maths 
lock


Krishnamurthy number

2798

34.99 
factorial  Maths 
lock


Number that are not divisible

2826

20.49 
Maths 
lock

Paytm 
Sum of Series

2854

61.67 
Array  Maths 
lock


Return two prime numbers

2870

56.79 
Maths 
lock

Yahoo  Zoho 
Multiples Power

2872

20.37 
Maths 
lock


Sum of first n terms

3054

8.48 
Maths 
lock


Sum of GP

3054

13.2 
Maths 
lock


Composite Series

3075

27.71 
Maths 
lock


Print the Kth Digit

3093

38.86 
Maths 
lock

Flipkart 
Intersection of two arrays

3126

23.45 
Maths 
lock

Amazon  Rockstand 
Find Nth root of M

3139

22.36 
Maths 
lock

Accenture  Directi 
Armstrong Numbers

3146

55.79 
Maths 
lock

Oracle  VMWare 
Minimum number to form the sum even

3163

35.25 
Array  Maths 
lock


Extract Maximum

3187

40.95 
Maths  String 
lock

Amazon 
Rectangles in N*N Board

3202

23.64 
Maths  number theory  permutation 
lock

GoldmanSachs 
Reverse Bits

3208

46.2 
BitAlgorithm  Maths 
lock

Amazon  HCL  Nvidia  Qualcomm 
Pronic Number

3228

26.18 
Maths 
lock


LCM And GCD

3246

57.98 
Maths 
lock

SAPLabs 
Number of divisors

3263

33.56 
Maths 
lock


Check If two Line segments Intersect

3265

11.49 
geometry  Maths 
lock

Adobe  Snapdeal  Zomato 
Count Squares

3273

36.39 
Maths 
lock

Accolite  OlaCabs 
Find the minimum time

3444

15.1 
Maths 
lock

Oracle 
Largest prime factor

3547

19.17 
Maths  Prime  sieve 
lock

Yahoo 
Pair cube count

3615

21.52 
Maths 
lock

Adobe 
Count zero

3640

24.56 
Maths 
lock

Amazon 
Area of a triangle

3695

14.29 
Maths 
lock


Find the remainder

3716

13.16 
Maths 
lock


Maximum money

3768

60.43 
Maths 
lock

Amazon 
Perfect Number

3807

27.08 
Maths 
lock


Count ways to N'th Stair(Order does not matter)

3830

46.63 
DynamicProgramming  Maths 
lock

Accolite  Amazon 
Union of two arrays

3847

39.25 
Maths 
lock

Rockstand 
Student record

3933

31.68 
Maths 
lock

Amazon 
Find the median

3960

28.56 
Maths 
lock


Binary number to decimal number

3996

47.5 
Maths 
lock

Adobe 
Closest Number

4004

18.18 
Maths 
lock

Microsoft 
Element that appears once where every element occurs twice

4036

51.24 
BitAlgorithm  Maths 
lock

Amazon  Microsoft 
Sieve of Eratosthenes

4038

42.94 
Maths  sieve 
lock

VMWare 
Sum Palindrome

4049

14.18 
Maths  palindrome 
lock

Zoho 
Number of ways

4121

34.68 
DynamicProgramming  Maths 
lock

Amazon 
Sum of Digits Divisibility

4124

35.94 
Maths 
lock

DrishtiSoft 
Geek and Coffee Shop

4133

50.4 
Maths 
lock

Amazon 
GCD of Array

4291

42.95 
Array  Maths 
lock

SAPLabs 
Count possible triangles

4316

39.6 
Array  Maths 
lock

Amazon 
Factorial

4955

34.75 
Array  Maths 
lock


Ugly Numbers

5001

37.93 
Array  Maths 
lock

GoldmanSachs 
A Simple Fraction

5040

16.03 
Hashing  Maths 
lock

Amazon  Microsoft 
Fill array with 1's

5182

18.7 
Array  Maths 
lock

Amazon 
Product array puzzle

5856

39.62 
Array  Maths 
lock

Accolite  Amazon  DEShaw  Intuit  Opera 
Check if given four points form a square

6107

25.89 
Maths 
lock

Amazon 
Check if a number can be expressed as x^y

6154

28.19 
Maths 
lock

Amazon  Housing.com 
Perfect Numbers

6875

28.42 
Maths 
lock

Wipro 
Jumping Numbers

7032

26.76 
Array  Maths 
lock

Amazon  BankBazaar  Directi  Google  Microsoft  Moonfrog Labs  Opera  Oracle  Zycus 
Check if a number is power of another number

7043

25.88 
Maths 
lock

SAPLabs 
Sum of all prime numbers between 1 and N.

7633

11.5 
Maths 
lock

Samsung 
Missing number

7684

23.7 
Maths 
lock


Merge Two Sorted Arrays

9299

24.81 
Maths  Sorting 
lock

Amdocs  Brocade  GoldmanSachs  Juniper  Linkedin  Microsoft  Quikr  Snapdeal  Synopsys  Zoho 
Column name from a given column number

9515

27.9 
Maths  String 
lock

Amazon  GoldmanSachs  Microsoft  Paytm  Samsung 
Angle between hour and minute hand

9793

14.12 
Maths 
lock

Amazon  Infinera  Paytm  Salesforce 
Overlapping rectangles

9947

20.59 
geometric  Maths 
lock

Amazon  Expedia  GoldmanSachs  Microsoft  OATS Systems 
Nth Fibonacci Number

13186

22.89 
fibonacci  Maths 
lock

MakeMyTrip  MAQSoftware 
nCr

14179

18.5 
DynamicProgramming  Maths 
lock


Power of 2

16647

27.04 
BitAlgorithm  Maths 
lock

Adobe  BankBazaar  FactSet  Intel  Mallow Technologies  Microsoft  Oracle  Practo  Samsung 