Questions tagged [haystack]

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find.c in Pset 3; int straw = get_int(); ./generate 1000 50 | ./find 127; Why I can't see this pseudorandom numbers?

How can I supplement this code printf("\nhaystack[%i] = ", size);that I can see the actual pseudorandom numbers that each i-th[] contain inside itself after haystack[1000] = using this command ./...
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helpers.c passes check50 but fails ./generate 1000 50 | ./find 128

check50 gives me all smiles, but when I run the test code ./generate 1000 50 | ./find 127 or 128 they both return "Found needle in haystack". How is that possible? And also, can I be sure my code is ...
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349 views

Helpers code never finds a needle

I am working on helpers.c in pset3. I have the following code. Find.c compiles with helpers.c, but when I run it with "./generate 1000 50 | ./find 127", it lists lines with "haystack[n] =" where n = ...
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“subtraction” of string in pset6 server.c

In server.c in pset6, there is a line of code where a string is "subtracted" from a string. I tried to find out what this operation does by writing a simple program : char* needle = "needle"; ...
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1answer
229 views

Piping generate pset3

I just wondering if some one can confirm for me that I understand what exactly is going on here when a file gets piped into another program. Generate is producing a certain number of random numbers ...
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pset3 find.c corner case

I made a for loop for searching and sorting in the header file. Both loops start off like this: for (int i = 0; i < n ; i++) find.c compiles fine for me but when I put the needle at the end of ...