Questions tagged [bit-manipulation]
The bit-manipulation tag has no usage guidance.
4
questions
0
votes
2answers
174 views
Given matrix, count paths visiting each number exactly once
We are given matrix of size at most $21$ by $21$, each number of the matrix is either $-1$, which means empty element, or integer between $1$ and $21$. Each integer may occure several more times in ...
2
votes
1answer
276 views
For given set of integers, find and count the pairs with maximum value of bitwise or
Let's say we have given set of integers $A = \{x_1, x_2, x_3, x_4, \dots, x_n\}$, consisting of exactly $n$ values, all of them positive integers. Now the problem is to find the maximum value of ...
1
vote
2answers
72 views
Dividing 2 integers with some constraints
This a problem i came across while practicing binary search. Here is the problem:
Given two integers dividend and divisor, divide two integers without using multiplication, division and mod operator.
...
0
votes
1answer
972 views
ip/tcp packet decoding without wireshark
How can we manually read and interpret packets properly without using wireshark?
Now from the Ethernet header I know that the Destination MAC Address should be at the 5th byte (after converting bits/...
