i need to solve this question tree of processes(each process have to print its id and its parent id)
mohamadkassem

p1 given p2 and p3 and p4,p2 given p5 (this is model to solve the question
can we help me to solve in c programming

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mwilki7

printf needs format specifiers to work

%d is int
http://www.cplusplus.com/reference/cstdio/printf/