Last seen array element

54

35.19 
Array 
lock

 
Easy 
Sum of all numbers divisible by 6 in a given range

180

5.56 
misc 
lock

 
Easy 
Find the smallest root of the equation x^2+s(x)Â·xn=0, where s(x) is the sum of digits of root x.

13

23.08 
misc 
lock

 
Easy 
Perfect Array

350

20.86 
Array 
lock

 
School 
Stuti and her Problem

340

39.71 
misc 
lock

 
Basic 
Weak Maths

338

20.41 
number theory 
lock

 
Basic 
Ishwar and his proposals

216

18.06 
Sorting 
lock

 
Basic 
Morning Assembly

76

9.21 
Hashing 
lock

 
Easy 
Remove all characters other than alphabets

410

13.17 
String 
lock

 
Basic 
Count number of elements between two given elements in array

705

24.54 
Array  Hashing 
lock

 
Basic 
Minimum element whose Nth power is greater than product of an array

462

8.66 
Array  Mathematical 
lock

 
Easy 
Sum of all subsets formed by first N natural numbers

106

31.13 
Mathematical 
lock

 
Basic 
Count of substrings containing K ones

79

25.32 
Hashing  String 
lock

 
Easy 
Close to Perfection

57

28.07 
DynamicProgramming  pointers 
lock

 
Easy 
Winner of an election

82

29.27 
map  strings 
lock

 
Easy 
Frequency of each element in an unsorted array

304

20.39 
Array  Hashing 
lock

 
Easy 
Maximum number of characters between any two same character

134

24.63 
Hashing  String 
lock

 
Easy 
Geek and his Tricky Series

207

15.46 
series 
lock

 
Easy 
Geek and his Array

151

9.27 
modular arithmetic  Array  Mathematical 
lock

 
Easy 
Sum of Digits Prime/NonPrime

434

18.66 
Prime 
lock

 
Basic 
Longest subsequence such that difference between adjacents is one

85

17.65 
Array 
lock

 
Easy 
Find Nth term in the series

298

28.19 
Mathematical 
lock

 
Basic 
Sort the string in descending order

411

19.95 
Hashing  String 
lock

 
Basic 
Biggest integer having maximum digit sum

173

8.09 
Mathematical  numbers 
lock

 
Basic 
Find X

242

13.22 
Mathematical 
lock

 
Easy 
Cluster all the 1 in a given string

38

18.42 
Mathematical 
lock

 
Easy 
The Infinite String

234

15.81 
Mathematical 
lock

National Instruments 
Medium 
Beautiful Sequence

60

33.33 
number theory  sieve 
lock

 
Easy 
Lets play a Game

61

16.39 
DynamicProgramming 
lock

 
Hard 
Count Pairs

221

10.41 
simplemath 
lock

 
Easy 
Cereals Box

58

15.52 
priorityqueue 
lock

 
Easy 
Last two digits of Fibonacci

808

14.36 
Fibonacci Number  Maths 
lock

 
Medium 
Set all the bits in given range of a number

159

30.19 
BitAlgorithm 
lock

 
Basic 
GeeksForGeeks New System

373

34.05 
Hashing  map 
lock

 
Easy 
Three Number Even Sum

246

13.41 
Combinatorics  Mathematical 
lock

 
Easy 
More Problems of Difficulty Level:
School
Basic
Easy
Medium
Hard
