Comparison of two dna sequences in C [closed] - c

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I would like to compare two dna sequences in C. How can i compare two strings and gets the difference?
Let's say:
seq_a:
GATCAACGCAAAGGACTAAGCACTGCTGCCAAA
and
seq_b:
GATCAACGCAAAGGACTAAGCACTGCTGCCTGC
result: TGC or GATCAACGCAAAGGACTAAGCACTGCTGCC***

Hard-code the traversal of two strings in a while loop. If they're the same, output either string1[i] or string2[i]. If they're different, write a star.

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How to define vectors of complex numbers with random values of size N in C program [closed]

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I am a beginner, how to define vectors of complex numbers with random values of size N in C program. With this code
complex*vector=(complex*)malloc(sizeof(complex)*N)
You have two separate problems, both of which are already answered.
How work with complex numbers: How to work with complex numbers in C?
How to make an array of random numbers: To generate array of random numbers in a given range in "C"

Analyzing Part of a String [closed]

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I'm new to C and I have an assignment where I have to build a dictionary (Linked List in a way). Basically the user inputs several words,year and their definition this:
Example:
love_#_2004_#_LOVING
trade_#_2001_#_INVEST
etc...
And basically I need a function to scan the definition (Ex: INVEST)
and gives me the word trade.
If the definition is related to more than only one word to give me back all the words it relates to.
What sort of a function do I need to scan these strings?
If the word you search is always the last one and the formatting is always the same, then use strtok with _ and copy the last entry, which holds the string you are looking for.

Two to the power of some large number [closed]

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Can anyone tell me how to find (2^101100111000)%1000000007 in C?
There is a problem in which we have to convert a number into binary(1<=N<=600000) and find
2^(binary representation of N)modulo1000000007.
The values you are talking about will not fit into a standard long on any architecture, so you will have to use an arbitrary precision maths library such as GMP.
Hmm, just read Zong's answer... he's pointing to a more efficient method... haven't finished reading through the article but it looks like the better way to go...

Scan numbers as string [closed]

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my input is of form of: number:number for example 16:13
my goal is to take this input and break it to the two numbers.
for example first number is 16, second number is 13.
is there a way to use SCANF to read the numbers directly? or the only was is to use a function to convert the string to numbers after i lose the separator?
i can not change the format of the input.
This should do the trick.
scanf_s("%d:%d", &num1, &num2);

Where can I get a CRC (Cyclic Redundancy Check ) code? [closed]

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I am looking for a package, or easy implementation of CRC 16-bit code by MATLAB
How about file exchange?
http://www.mathworks.com/matlabcentral/fileexchange/20350-16-bit-itu-t-crc

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