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# Math

### Important tutorials

1. Math Introduction
2. Factorization
3. Base Number System
4. Unary Number System
5. Binary Number System
6. Base Conversions For Base N

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## Math Problems

Problem Score Companies Time Status
Total Moves For Bishop! 75 30:19
Distribute in Circle! 100 21:06
Prime Sum 150 43:15
Sum of pairwise Hamming Distance 200
66:52
FizzBuzz 200
12:34
Is Rectangle? 200 10:55
Step by Step 200 48:05
Power Of Two Integers 250 39:36
Base conversion
Problem Score Companies Time Status
Excel Column Number 175 23:19
Excel Column Title 175 41:11
Digit op
Problem Score Companies Time Status
Palindrome Integer 200 17:28
Reverse integer 200 28:36
Next Smallest Palindrome! 400 56:10
Number theory
Number encoding
Problem Score Companies Time Status
Next Similar Number 200 54:16
Rearrange Array 250
49:03
Array dp
Problem Score Companies Time Status
Numbers of length N and value less than K 200
89:53
Combinatorics
Problem Score Companies Time Status
City Tour 300
60:40
Grid Unique Paths 375 32:35

Problem Score Companies Time Status
K-th Permutation 300 62:51
Divisible by 60 200 20:16
Powerful Divisors 300 54:39
Highest Score 300 25:03
Sum of 7's Multiple 200 22:57
Find Last Digit 200 33:46
Last digit K count 200 25:02
Digital Root 200 10:39
Number of Sundays 200 20:14
Product of Digits 150 7:29
Round Table 150 20:15
Odd Even Rule 150 8:54
Armstrong Number 200 9:13
Leap Year 100 7:22
Lowest Common Multiple (LCM) 100 14:21
Which Season? 100 8:05
Socks Pair 100 10:03
Two Stores 150 32:50
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