Maximize ∑arr[i]*i of an Array

256

38.67 
Array  Sorting 
lock

SAPLabs 
Basic 
Minimum Product of k Integers

207

8.7 
modular arithmetic  Array  Sorting 
lock

 
Basic 
Find all factorial numbers less than or equal to N

173

13.29 
Mathematical 
lock

 
School 
Pairs with Difference less than K

230

18.26 
Array 
lock

 
Easy 
Count the numbers satisfying (m + sum(m) + sum(sum(m))) equals to N

39

15.38 
Mathematical  numbers 
lock

 
Basic 
Number of subarrays whose minimum and maximum are same

154

14.29 
Array  Mathematical 
lock

 
Easy 
Mean of range in array

159

18.87 
Array 
lock

 
Easy 
Numbers containing 1, 2 and 3

602

9.8 
Array  Hashing  Mathematical 
lock

GoldmanSachs 
Easy 
Sequence Fun

205

13.66 
pattern 
lock

 
Easy 
Find the Maximum sum

414

12.08 
Array 
lock

bidgely 
Medium 
Smallest K digit number divisible by X

226

32.3 
Mathematical  numbers 
lock

 
Easy 
Find Unique pair in an array with pairs of numbers

412

19.17 
Array 
lock

 
School 
Biconnected Graph

28

71.43 
Graph 
lock

 
Medium 
Convertible string

139

31.65 
strings 
lock

bidgely 
Easy 
Find the last digit when factorial of A divides factorial of B

122

33.61 
Mathematical 
lock

 
Medium 
Minimum rotations to unlock a circular lock

295

21.02 
Mathematical 
lock

 
Basic 
Number of compositions of a natural number

99

28.28 
Mathematical  numbers 
lock

 
Basic 
Count the pairs with maximum difference

521

12.86 
Array  Mathematical 
lock

 
Easy 
Series with largest GCD and sum equals to N

13

38.46 
Mathematical  numbers 
lock

 
Medium 
Express N as sum of 4 prime numbers

62

17.74 
numbers  Prime 
lock

 
Easy 
Rearrange string as alternate x and y occurences

101

16.83 
String 
lock

 
Basic 
Three distinct factors

360

5.83 
Mathematical  numbers  Prime 
lock

 
Basic 
Array's Game

124

28.23 
Maths 
lock

 
Easy 
Maximum prefix sum for a given range

168

19.05 
Array  Segment Tree 
lock

 
Easy 
Find the fine

666

37.09 
Array  Mathematical 
lock

Microsoft 
Basic 
Pairs with Positive Negative values

1841

15.43 
Array 
lock

Amazon 
Easy 
Count the subarrays having product less than k

610

6.07 
Array  Mathematical 
lock

GoldmanSachs 
Hard 
Next higher palindromic number using the same set of digits

145

12.41 
numbers  palindrome  String 
lock

 
Medium 
Sum of AP series

965

7.56 
Maths 
lock

 
School 
Generate all cyclic permutations of a number

198

22.73 
Maths 
lock

 
Basic 
Reversing the equation

156

40.38 
String 
lock

 
Easy 
Queries for counts of multiples in an array

213

11.27 
Array  Mathematical  sieve 
lock

 
Medium 
Maximum value of expression

142

11.27 
Array  Mathematical 
lock

 
Easy 
Print Nbit binary numbers having more 1’s than 0’s

87

25.29 
Recursion  String 
lock

 
Medium 
Sum of first n terms

1338

8.67 
Maths 
lock

 
Basic 
More Problems of Difficulty Level:
School
Basic
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Medium
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