Multiply by 11

71

4.23 
Maths  String 
lock


Maximize permutations

34

14.71 
Maths  permutation  String 
lock


Palindrome in both Decimal and Binary

135

30.37 
Maths  palindrome 
lock


Maximum height of the staircase

284

56.34 
Maths 
lock

GoldmanSachs 
Power of Pow  Even Number

198

46.97 
Maths  numbers 
lock


Power of Pow  Odd Numbers

208

52.4 
Maths  numbers 
lock


Cosmic Number

239

25.1 
Mathematical  Maths  numbers  String 
lock


Product is even or odd?

833

18.73 
Maths  strings 
lock


The dice problem

242

61.57 
Maths 
lock


The Remaining Cake

284

23.94 
Maths  STL 
lock


Human and the tower

135

28.15 
Maths 
lock


Find nth term of series 1, 3, 6, 10, 15, 21…

288

57.64 
Maths 
lock


The invariable units digit

330

22.73 
Maths  strings 
lock


Number of positive integral solutions

83

22.89 
Combinatorics  Maths  permutation  strings 
lock


Form a number divisible by 3 using array digits

285

56.84 
Maths 
lock


Find sum of even factors of a number

577

54.42 
Maths 
lock


Determine focal length of a spherical mirror

320

18.44 
Maths  Physics 
lock


Nearest multiple of 10

617

16.21 
Maths  String 
lock


Check if the number is balanced

704

35.37 
Maths  strings 
lock


Number of edges in a Planar Graph

42

30.95 
Maths  String 
lock


Break the digital root code

213

48.83 
Maths 
lock


Find X and Y in Linear Equation

304

17.76 
Maths 
lock


Count numbers with unit digit K in given range

525

12.38 
Maths 
lock


The Mighty Divisible Number

320

11.56 
division  Mathematical  Maths  number theory  numbers 
lock


Sexy Primes

592

4.22 
Maths  sieve 
lock


Sum of all divisors from 1 to n

377

13.79 
Maths 
lock


Maximize the volume of Cuboid

204

30.39 
Maths 
lock


Count unset bits in a given Range

139

48.92 
Maths 
lock


John's Haircut

546

15.57 
Maths 
lock


Trisha's Number

275

51.64 
Maths 
lock


Killing Spree

396

28.54 
Binary search  Divide and Conquer  Maths 
lock


Last two digits of Fibonacci

1279

15.87 
Fibonacci Number  Maths 
lock


Maximum Volume of a Rectangular Box

327

12.84 
Maths 
lock

TCS 
Find unit digit in a Product

353

18.41 
Maths  number theory 
lock


Modified Numbers and Queries

231

7.79 
Maths  sieve 
lock


One's Complement

376

50.27 
BitAlgorithm  Maths 
lock


Woodall Number

391

44.5 
Maths 
lock


Array's Game

293

29.01 
Maths 
lock


Quick Exponents

468

18.59 
Maths 
lock


Sum of AP series

2566

11.07 
Maths 
lock


Generate all cyclic permutations of a number

411

23.6 
Maths 
lock


Sum of first n terms

3060

8.46 
Maths 
lock


Sum of odd and even elements

2402

23.06 
Maths 
lock


Maximize OR

263

19.77 
BitAlgorithm  Maths 
lock


Maximize XOR

206

28.16 
BitAlgorithm  Maths 
lock


Maximum GCD Pair

460

16.74 
Maths  sieve 
lock


Psuedobinary Numbers

110

30.91 
Maths 
lock


Finding Dory

108

51.85 
Maths 
lock


Sum of Digit Modified

510

49.61 
Maths 
lock


Rectangle Number

561

43.67 
Maths 
lock


Rotate Page

259

20.08 
Maths 
lock


Find the minimum time

3463

15.1 
Maths 
lock

Oracle 
Count number of digits after decimal

342

15.79 
Maths 
lock


Largest Proper fraction

318

26.73 
Maths 
lock


Check if two given circles touch each other

328

39.02 
Maths 
lock


Anshuman's Favourite Number

541

63.22 
Maths  numbers 
lock


Make the hit in power game !

400

42 
Maths  numbers 
lock


XOR Game

219

36.07 
Maths 
lock


Special Numbers

1862

22.18 
DynamicProgramming  Maths 
lock


Base Equivalence

196

29.08 
Maths 
lock


First K Digits

319

29.47 
Maths 
lock


Carmichael Numbers

534

14.23 
Maths 
lock


Carol Numbers

366

6.83 
Maths  modular exponentiati 
lock


Pairs of Non Coinciding Points

186

24.73 
Hashing  Maths 
lock


Number of unique rectangles

546

21.98 
Maths 
lock


First Digit

1206

13.76 
Maths 
lock


Maximum sum difference

233

28.76 
Maths 
lock


Find the position of Mth item

503

28.23 
Maths 
lock


Right angled triangles

885

25.76 
Maths 
lock


Second Binary Digit

553

7.41 
Maths 
lock


Pronic Number

3229

26.2 
Maths 
lock


Closest Number

4020

18.16 
Maths 
lock

Microsoft 
Change all even bits in a number to 0

511

45.21 
BitAlgorithm  Maths 
lock


Check a Integer is power of 3 or not

787

27.95 
Maths 
lock


Minimum number to form the sum even

3167

35.33 
Array  Maths 
lock


Minimum sum of factors

1144

9.7 
Maths 
lock


Pell Number

1469

7.08 
Maths 
lock


Power Of 2 and Subsequences

427

26.93 
BitAlgorithm  Maths 
lock


Large Product2

829

13.15 
logarithm  Maths 
lock


Total number of Strings

1692

48.94 
Maths  permutation 
lock

Amazon 
Min value of x

904

35.51 
Maths 
lock


Cows of FooLand

732

8.2 
Maths 
lock


Number of palindromic strings

481

25.16 
Combinatorics  DynamicProgramming  Maths  String 
lock


Sum of Divisors in an array

515

29.13 
Maths  sieve 
lock


Evaluate the expression

613

27.73 
Maths 
lock


Assign Mice Holes

210

63.33 
Maths 
lock


Missing Point of a Parallelogram

64

0 
geometry  Maths 
lock


Total digits

333

45.05 
Maths 
lock


Break a number

404

40.84 
Maths  number theory 
lock


First Digit of Product of Numbers

525

12.57 
Maths 
lock


Number and the Digit Sum

653

13.78 
Binary search  Maths  Searching 
lock


BBT counter

236

26.27 
Maths  Tree 
lock


Euler Totient Function

170

35.88 
Maths  sieve 
lock


Krishnamurthy number

2801

34.99 
factorial  Maths 
lock


Nth number made of prime digits

193

47.15 
Array  Maths 
lock


Pair cube count

3615

21.52 
Maths 
lock

Adobe 
All numbers with specific difference

303

37.95 
Binary search  Maths 
lock


Equalize an array in minimum operations

251

13.15 
Maths 
lock


Area of a triangle

3707

14.3 
Maths 
lock


Circular tour

227

30.84 
Maths 
lock


Gray to Binary and Binary to Gray

36

44.44 
Maths 
lock


k modulus array element

236

38.98 
Array  Maths 
lock


Minimum value product

121

35.54 
Array  Maths 
lock


Possible Pairs

314

19.75 
factorization  Maths 
lock


Java Operators(Arithmetic)  Set 1

1417

11.08 
Java  Maths 
lock


Extract Maximum

3188

40.97 
Maths  String 
lock

Amazon 
Modular multiplicative inverse

464

34.48 
arithmetic modulo  Maths 
lock


Consecutive numbers for sum

422

34.6 
Maths 
lock


Element in a Series

271

61.62 
Maths  series 
lock


Day of the week

1567

28.53 
Maths 
lock

MorganStanley 
Maximum money

3774

60.47 
Maths 
lock

Amazon 
The Drunkard

243

26.34 
Maths 
lock


Nth digit of pi

768

1.04 
Maths 
lock


Count numbers containing 4

1693

34.38 
DynamicProgramming  Maths 
lock

DrishtiSoft 
Recursive sequence

618

53.07 
Maths  Recursion 
lock


Number Game

814

22.36 
Maths 
lock


Fill array with 1's

5189

18.71 
Array  Maths 
lock

Amazon 
Tracks

745

17.45 
Array  Maths 
lock


Decreasing Sequence

366

20.77 
Array  Maths 
lock


GCD of two numbers

956

47.49 
Maths 
lock


Floyd's triangle

761

56.77 
Maths 
lock


Another Matrix Game

112

20.54 
maths  string 
lock


C++ Operators  Set 1 (Arithmetic)

2488

34.89 
Maths 
lock


Sum Palindrome

4055

14.18 
Maths  palindrome 
lock

Zoho 
Magnet Array Problem

860

31.05 
Array  Maths  Searching 
lock

DEShaw 
Distance between 2 points

1987

35.48 
geometric  Maths 
lock

zoho 
Thief trying to escape

2277

28.15 
Maths 
lock

Cisco  MakeMyTrip 
Sherlock and his Enemies

1639

12.39 
Maths 
lock


Strong Numbers

1561

42.34 
factorial  Maths 
lock


Sid and his prime money

895

8.49 
Array  Maths 
lock


Check if divisible by 5

1769

34.48 
Maths  modular arithmetic 
lock


Geek and Coffee Shop

4134

50.41 
Maths 
lock

Amazon 
Magical Number

1244

16.48 
Maths 
lock


Check if date is valid

1146

26.61 
Maths 
lock


Tidy Number

1518

32.48 
Maths 
lock

Freshokartz 
Convex Hull

1611

12.85 
geometry  Maths 
lock

Adobe  GoldmanSachs 
Check squares

755

30.6 
Maths 
lock


XOR play

1628

10.87 
BitAlgorithm  Maths 
lock


Find the largest number

1260

14.92 
Maths 
lock


Check if the door is open or closed

2519

33.9 
Maths 
lock

TCS 
Find the safe position

341

27.57 
Maths 
lock


Recaman’s sequence

550

41.45 
Hashing  Maths  Recursion 
lock


Binary fraction to decimal

541

21.44 
Maths 
lock


Check if divisible by 36

1586

23.14 
Maths 
lock


Find the nth number in the sequence

1169

19.33 
Maths 
lock


Count rotations divisible by 4

676

20.12 
Maths 
lock


Kth Smallest Factor

2002

9.54 
Maths 
lock


India's unique railway track

574

40.94 
Maths 
lock


Substrings with similar first and last characters

1067

45.17 
Maths  String 
lock


Magical Box

94

18.09 
geometry  Maths 
lock


Express as sum of power of natural numbers

413

50.12 
Maths  Recursion 
lock


Love For The Twins

773

47.09 
Hashing  Maths 
lock


Long Long Decimal

335

41.49 
Maths 
lock


Check if divisible by 4

1613

35.71 
Maths  String 
lock


Lucky Number2

260

23.85 
Maths 
lock


Learn Geometry

194

47.94 
Maths 
lock


Check if divisible by 11

1622

30.58 
Maths  String 
lock


Find Nth root of M

3144

22.46 
Maths 
lock

Accenture  Directi 
Generalised Fibonacci numbers

1119

8.58 
Maths  Matrix  modular arithmetic 
lock


Game of XOR

2130

41.17 
Maths 
lock

Amazon 
Stuffs Division

497

47.08 
Array  Maths 
lock


Seeds of a number

843

26.33 
Maths 
lock

Epic systems 
Sharing

438

22.83 
Maths 
lock


Odd Game

566

33.92 
Maths 
lock


Largest prime factor

3547

19.17 
Maths  Prime  sieve 
lock

Yahoo 
Help Joey

1102

19.69 
Maths 
lock


Metro Problem

679

37.26 
Maths 
lock


Squares in a Matrix

1199

26.77 
Maths  Matrix 
lock

Junglee Games 
Largest subarray with GCD one

611

29.46 
Array  Maths 
lock


Form a Triangle

549

16.76 
Array  Maths 
lock


Last two digit fibonacci

2338

10.69 
fibonacci  Maths 
lock


Largest Product Pallindrome

738

19.11 
Maths 
lock

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

1045

55.69 
Maths 
lock


Kth Prime factor of a Number

1061

23.85 
factorial  Maths  Prime  sieve 
lock


Partition a number into two divisible parts

953

24.87 
Maths  modular arithmetic  String 
lock


Reverse Coding

862

61.37 
Maths 
lock


Last nonzero digit in factorial

1032

20.35 
factorial  Maths  Recursion 
lock


Multiple in Table Tennis

697

38.31 
Maths 
lock


Smallest factorial number

979

23.29 
factorial  Maths  Searching 
lock


Find sum of divisors

657

61.19 
Maths  Prime 
lock


Special Factorial Number

1694

12.51 
factorial  Maths 
lock


Check if a number can be expressed as x^y

6158

28.19 
Maths 
lock

Amazon  Housing.com 
Brain Game

537

5.21 
Combinatorics  Maths 
lock


Missing number

7684

23.7 
Maths 
lock


Convert floating point to natural number

1617

13.73 
Maths 
lock


Circular Prime Number

485

33.4 
Maths  Prime 
lock


Largest Divisibility Test

446

23.09 
Maths 
lock


Largest Even Number

1447

28.61 
Maths  Sorting 
lock


No of Carry Operations

1840

21.9 
Maths  String 
lock


Distance and Displacement

543

39.78 
Maths 
lock


Dr. Strange's powers

554

29.42 
Maths 
lock


Juggler Sequence

1175

37.53 
Maths  series 
lock


Deficient Number

1070

37.94 
Maths  series 
lock


Keith Number

455

34.95 
Maths  series 
lock


Kaprekar Number

807

22.43 
Maths  series 
lock


Product of Complex Numbers

569

29.35 
Maths 
lock


Disarium Number

1280

46.64 
Maths 
lock


Sum of Consecutives

1924

19.8 
BitAlgorithm  Maths 
lock


Sum of Subarrays

2768

16.4 
Array  Maths  modular arithmetic 
lock


Nth Even Fibonacci Number

2442

13.55 
fibonacci  Maths 
lock


Modified Fibonacci

721

11.23 
fibonacci  Maths  modular arithmetic 
lock


Matching Pair

1708

50 
Maths 
lock


Euler Totient

275

18.18 
Maths 
lock


Count Squares

3275

36.37 
Maths 
lock

Accolite  OlaCabs 
7 Segment Display

757

12.55 
GreedyAlgorithm  Maths 
lock


Time Difference

338

38.17 
Maths 
lock


Square Divisors

1533

25.7 
Maths 
lock


Common Divisors

2000

44.4 
Maths  number theory 
lock


Sum of divisors

1691

57.72 
Maths  number theory 
lock


Happy Number

805

46.21 
Maths 
lock


Least Prime Factor

859

56.11 
Maths  Prime  sieve 
lock


Repeated sum of digits

1616

54.52 
Maths  number theory 
lock


Prime Factors

2225

31.46 
Maths  Prime  sieve 
lock


Prime Factors and their Powers

985

41.62 
Maths  Prime  sieve 
lock


Faulty Keyboard

541

31.79 
Maths 
lock


Number of digits

1458

15.5 
Maths 
lock


Composite Series

3075

27.71 
Maths 
lock


Mean

2793

39.63 
Maths 
lock


Count Divisors of Factorial

1608

14.55 
Maths  Prime  sieve 
lock


Minimum Notes Required

930

32.69 
Maths 
lock


3 Divisors

2422

16.39 
Maths 
lock


Helping Meesa

388

16.75 
Maths 
lock


Diamond and Bags

639

22.69 
Maths 
lock


Poisioned Sweet

631

27.42 
Maths 
lock


Maximum Area

2016

26.29 
Maths 
lock


Product of two digit numbers

2083

13.63 
Maths 
lock


Class Average

942

35.24 
Maths 
lock


Divisible by 8

2363

27.8 
Maths  String 
lock

Citrix 
Perfect Number

3809

27.09 
Maths 
lock


Magic numbers

1763

13.67 
Maths 
lock


Matchsticks game

666

62.61 
Maths 
lock


Maximum Profit

1030

50.58 
DynamicProgramming  Maths 
lock


Find the remainder

3716

13.16 
Maths 
lock


Multiples Power

2872

20.37 
Maths 
lock


Sum of Digits Multiple

1561

50.16 
Maths 
lock


Number of solutions

592

6.42 
Maths 
lock


Number of divisors

3263

33.56 
Maths 
lock


Non Fibonacci Number

609

34.32 
fibonacci  Maths 
lock


Squares and divisibility

278

7.19 
Maths 
lock


The Nth Fibonnaci

935

33.16 
Maths 
lock

MAQSoftware 
GCD and Fibonacci Numbers

887

11.27 
fibonacci  Maths 
lock


Nth digit in sequence

267

28.46 
Maths 
lock


Sum of Digits Divisibility

4126

35.97 
Maths 
lock

DrishtiSoft 
Subtraction and two numbers

868

17.28 
Maths 
lock


Recursively find sum of digits

617

9.4 
Maths 
lock


Ball coloring

198

38.38 
Maths 
lock


Area of intersection of two circles

160

7.5 
geometry  Maths 
lock


Perfect Numbers

6889

28.39 
Maths 
lock

Wipro 
Count digits in a factorial

641

20.28 
Maths 
lock


Find the median

3963

28.59 
Maths 
lock


Arithmetic Number

2489

11.73 
Maths 
lock

OlaCabs  Paytm 
The Lazy Caterer’s Problem

1549

56.36 
Maths 
lock


Repeating GCD

406

17.24 
Maths 
lock


Nearest Power

293

19.11 
Maths 
lock


Permutation divisibility

676

17.9 
Maths  String 
lock


Rohan's Love for Matrix

1481

15.4 
Maths  Matrix 
lock


Parallel or Perpendicular?

1349

42.03 
Maths  Physics 
lock


Create your own Calculator

244

29.51 
Gauss Elimination  Maths 
lock


Base Conversion

546

31.32 
Maths 
lock


Divisible Numbers

1006

23.26 
Maths 
lock


Fraction Game

136

11.76 
Maths 
lock


LCM Triplet

821

12.06 
Maths 
lock


Final Destination

579

25.39 
Maths 
lock


Cube root of a number

1559

47.98 
Maths 
lock


Power of Numbers

1543

17.95 
Maths  modular arithmetic 
lock

MakeMyTrip 
Euler Totient Sum and Divisors

615

24.88 
Maths 
lock


Number of subsets and mean

382

27.23 
Maths 
lock


Faithful Numbers

1629

19.52 
Maths 
lock


Permutations and Sum

227

33.48 
Maths  permutation 
lock


Fraction Trouble

43

32.56 
Maths 
lock


Division Problem

174

35.06 
Maths 
lock


Game of Death in a circle

659

53.41 
Maths  Recursion 
lock


Number of Heads

266

21.8 
Maths 
lock


Build the smallest

624

27.88 
Maths  String 
lock


No of Factors of n!

267

23.97 
Maths 
lock


Number that are not divisible

2840

20.49 
Maths 
lock

Paytm 
Integral Points In Triangle

69

40.58 
geometry  Maths 
lock


Number of ways to find two numbers

549

65.57 
Maths 
lock


Maximum distance

1861

25.52 
Maths 
lock


12 hour clock addition

1630

47.24 
Maths 
lock


Greater power

313

16.93 
Maths 
lock


Sum of Products

1048

60.02 
BitAlgorithm  Maths 
lock


Divide the number

325

32.31 
Maths 
lock


Tom and Jerry

951

46.16 
Maths 
lock


Right most non zero digit

627

10.05 
Maths  modular arithmetic 
lock


Number Of Open Doors

2613

23.5 
Maths 
lock

TCS 
Left Most Digit of a product

199

27.14 
logarithm  Maths 
lock


Number of Integer solutions

1194

43.47 
Maths 
lock


Maximum Possible Sum of Products

1647

35.82 
Maths  Sorting 
lock


LCM of given array elements

1337

32.69 
Maths 
lock


Find the number of subarrays having even sum

725

58.48 
Array  Maths 
lock


The Prime Twins

338

44.08 
Maths  sieve 
lock


Good Numbers

182

48.35 
Maths 
lock


Number of 1's in smallest repunits

1136

39.88 
Maths 
lock

Amazon 
Factorial Pairs

69

36.23 
Maths 
lock


Check if given four points form a square

6107

25.89 
Maths 
lock

Amazon 
Largest number possible

2010

24.38 
GreedyAlgorithm  Maths 
lock


Check If two Line segments Intersect

3279

11.53 
geometry  Maths 
lock

Adobe  Snapdeal  Zomato 
Largest power of prime

491

65.99 
Maths 
lock


Chinky and diamonds

543

55.25 
Maths  Queue  STL 
lock


Angle between hour and minute hand

9793

14.12 
Maths 
lock

Amazon  Infinera  Paytm  Salesforce 
Sum of large numbers

1160

25.26 
Maths 
lock


Crazy Equations

268

42.54 
Maths 
lock


Fibonacci Sum

1431

12.37 
fibonacci  Maths 
lock


Maximum Collatz sequence length

861

25.32 
DynamicProgramming  Maths 
lock


Factorial Number

1306

35.07 
Maths 
lock


Value of polynomial

692

17.77 
Maths 
lock


Square Numbers

718

3.48 
Maths  numbers 
lock


Next in Series

772

20.85 
fibonacci  Maths  progression  series 
lock

Inmobi 
Overlapping rectangles

9951

20.58 
geometric  Maths 
lock

Amazon  Expedia  GoldmanSachs  Microsoft  OATS Systems 
Squares in Reactangle

243

16.05 
Maths 
lock


Cost of Sweets

97

42.27 
Maths 
lock


Save Knights

741

43.72 
Maths 
lock

Amazon 
Cutting Rectangles

667

20.39 
Combinatorics  Maths 
lock


Filling Bucket

179

34.64 
Maths  permutation 
lock


Where Am I ?

162

56.17 
Maths 
lock


Special Number

64

46.88 
Maths 
lock


Number of Days

949

16.97 
Maths 
lock


Increment

276

42.75 
Maths 
lock

Motlay 
Palindromic Array

1291

51.9 
Maths 
lock

Amazon 
Fun With Expresions

189

23.81 
Maths 
lock


Type of input

360

24.17 
Maths 
lock


Jumping Geek

1024

36.72 
Maths 
lock


Pattern Jumping

1806

47.45 
Maths 
lock


Sum of all prime numbers between 1 and N.

7650

11.52 
Maths 
lock

Samsung 
Dimensions of Rectangle

348

35.34 
Combinatorics  Maths 
lock


Minimum steps to get desired array

1254

50.16 
Array  Maths 
lock


Evaluate the x + a = b statement

1470

21.36 
Maths 
lock


Check if a number is power of another number

7045

25.89 
Maths 
lock

SAPLabs 
Roots of Quadratic Equation

1850

19.78 
Maths 
lock


Pairs of prime number

2329

46.46 
Maths 
lock

Amazon 
Student record

3937

31.67 
Maths 
lock

Amazon 
Point lies or not

898

21.71 
Maths 
lock


Count numbers

892

51.79 
Maths 
lock


Average

2695

37.18 
Array  Maths 
lock


Reverse Bits

3209

46.21 
BitAlgorithm  Maths 
lock

Amazon  HCL  Nvidia  Qualcomm 
Multiply two polynomals

481

56.34 
Maths 
lock


Product array puzzle

5872

39.73 
Array  Maths 
lock

Accolite  Amazon  DEShaw  Intuit  Opera 
Perfect Cubes in a Range

2017

25.14 
Maths 
lock


Add Binary Strings

2457

27.19 
Maths  String 
lock

Facebook  Microsoft 
Ugly Numbers

5006

37.93 
Array  Maths 
lock

GoldmanSachs 
Make Number Odd

879

47.78 
Maths 
lock


Sum of Query II

1463

41.08 
Maths 
lock

Amazon 
Arrange Balls

293

46.08 
Maths  permutation 
lock


Union of two arrays

3847

39.25 
Maths 
lock

Rockstand 
Intersection of two arrays

3129

23.46 
Maths 
lock

Amazon  Rockstand 
Power of Largest Prime

1187

12.81 
Maths  Prime 
lock


nth digit of Fibonacci

759

44.01 
fibonacci  Maths  series 
lock


Perfect Squares in a Range

1418

57.9 
Maths 
lock


Count zero

3648

24.53 
Maths 
lock

Amazon 
Dyck Path

310

40 
Maths 
lock


Number of ways

4133

34.7 
DynamicProgramming  Maths 
lock

Amazon 
Odd Divisors

1152

48.96 
Maths 
lock


Check if a number is Perfect Square

1914

50.47 
Maths 
lock


All divisors of a natural number

1460

54.04 
Maths 
lock


Triangular Number

706

58.22 
Maths 
lock


A Simple Fraction

5040

16.03 
Hashing  Maths 
lock

Amazon  Microsoft 
Decimal to any base conversion

847

35.18 
Maths 
lock


Convert from any base to decimal

527

44.78 
Maths 
lock


Find number of days between two given dates

910

16.37 
Maths 
lock


Frobenius coin problem

197

41.62 
Maths 
lock


Count Integral Points

509

29.47 
Maths 
lock


Numbers containing 0's from 1 to N

804

47.76 
Maths 
lock


Let's Go Shopping!

71

28.17 
Maths 
lock


Sum of Query I

456

30.92 
Combinatorics  DynamicProgramming  Maths 
lock


Column name from a given column number

9515

27.9 
Maths  String 
lock

Amazon  GoldmanSachs  Microsoft  Paytm  Samsung 
Is Square

2104

25.52 
Maths 
lock

Amazon 
Return two prime numbers

2876

56.88 
Maths 
lock

Yahoo  Zoho 
Rearrange an array with O(1) extra space

2779

63.87 
Array  Maths 
lock


Element that appears once where every element occurs twice

4040

51.29 
BitAlgorithm  Maths 
lock

Amazon  Microsoft 
Check if the number is Fibonacci

1582

51.26 
fibonacci  Maths 
lock


Parity of unsigned integer

1266

57.66 
BitAlgorithm  cryptography  Maths 
lock


Next sparse binary number

1104

45.65 
Maths 
lock

Amazon 
Jumping Numbers

7046

26.72 
Array  Maths 
lock

Amazon  BankBazaar  Directi  Google  Microsoft  Moonfrog Labs  Opera  Oracle  Zycus 
Finding Position

2657

57.51 
Maths  Recursion 
lock

Amazon 
Find sum of different corresponding bits for all pairs

2052

51.9 
BitAlgorithm  Maths 
lock

Google 
Possible words from Phone digits

2689

36.3 
Array  Maths  Recursion 
lock

Amazon  Flipkart 
Dice throw

2278

29.37 
Maths 
lock

Amazon 
Count possible triangles

4318

39.6 
Array  Maths 
lock

Amazon 
Maximize The Array

1653

31.34 
Array  Maths  numbers 
lock

Microsoft 
Rank of Matrix

156

58.33 
Maths  Matrix 
lock


Sieve of Eratosthenes

4043

43.01 
Maths  sieve 
lock

VMWare 
nPr

1768

32.52 
Maths 
lock


Sum of GP

3054

13.2 
Maths 
lock


Count Numbers in Range

687

26.2 
Mathematical  Maths  numbers  sieve 
lock


Sum of an AP

1289

50.81 
Maths 
lock


Print the Kth Digit

3096

38.92 
Maths 
lock

Flipkart 
Weird Number

686

23.18 
Maths 
lock


Strong Number

1186

64.92 
Maths 
lock


Automorphic Number

1561

44.78 
Maths 
lock


Surface Area and Volume of Cuboid

1202

49.75 
Maths 
lock


Nth Fibonacci Number

13240

22.97 
fibonacci  Maths 
lock

MakeMyTrip  MAQSoftware 
Compound Interest

1537

21.8 
Maths 
lock


Simple Interest

1678

54.35 
Maths 
lock


Print table

2251

38.03 
Maths 
lock


Binary number to decimal number

4006

47.53 
Maths 
lock

Adobe 
Celsius to Fahrenheit Conversion

1320

55.53 
Maths 
lock


Area of Rectange, Right Angled Triangle and Circle

1418

46.47 
Maths 
lock


Addition of Two Numbers

2065

54.29 
CPP  Maths 
lock


Small Factorial

2397

33.25 
Maths 
lock


Forming Rectangle

574

40.94 
Maths 
lock


Series GP

2178

24.61 
Maths 
lock


Series AP

2120

67.88 
Maths 
lock


Power of 2

16688

27.12 
BitAlgorithm  Maths 
lock

Adobe  BankBazaar  FactSet  Intel  Mallow Technologies  Microsoft  Oracle  Practo  Samsung 
Repetitive Addition Of Digits

986

66.94 
Maths 
lock


Count Odd Factors

797

26.47 
Maths 
lock


GCD of Array

4293

42.98 
Array  Maths 
lock

SAPLabs 
Sum of Series

2858

61.72 
Array  Maths 
lock


Multiply 2 matrices

1650

37.21 
Maths  Matrix 
lock


Swap two numbers

2551

49.67 
Maths 
lock


Greatest of three numbers

2153

51.28 
Maths 
lock


LCM And GCD

3248

58 
Maths 
lock

SAPLabs 
Prime Number

2439

46.99 
Maths  Prime 
lock


Armstrong Numbers

3148

55.81 
Maths 
lock

Oracle  VMWare 
a^b(Set 2)

1317

29.69 
Maths 
lock


a^b (Set 1)

2675

33.57 
Maths 
lock


Odd or Even

2679

54.35 
BitAlgorithm  Maths 
lock


Trailing zeroes in factorial

1485

53.8 
Maths 
lock

MakeMyTrip 
Large Factorial

996

32.13 
Array  Maths 
lock


Factorial

4964

34.77 
Array  Maths 
lock


Magic Number

2098

52.38 
Maths 
lock

Amazon 
Merge Two Sorted Arrays

9330

24.8 
Maths  Sorting 
lock

Amdocs  Brocade  GoldmanSachs  Juniper  Linkedin  Microsoft  Quikr  Snapdeal  Synopsys  Zoho 
Subarray with least average

1771

24.96 
Maths 
lock


nCr

14221

18.56 
DynamicProgramming  Maths 
lock


Magic Triplets

740

27.3 
BitAlgorithm  Maths 
lock


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

3854

46.7 
DynamicProgramming  Maths 
lock

Accolite  Amazon 
Palindrome numbers

1585

33.19 
Maths 
lock

Microsoft 
Squares in N*N Chessboard

2572

57.85 
Maths  number theory  permutation 
lock

GoldmanSachs  MAQSoftware 
Rectangles in N*N Board

3204

23.66 
Maths  number theory  permutation 
lock

GoldmanSachs 
Arithmetic Progression

863

16.92 
Maths 
lock

Microsoft 