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Insert a new node to a link list when u dont know pointer to the starting node. Let u have a pointer P and u have to insert a node before that node.and P is not the starting node.
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2 comments:
maga!!! your questions are real tuff da!! i don't remember anything out of C/C++ now!!!
let a->b->c-/_ be the list and given(not first) node is a.
create a new node 'x'.
copy contents of a to x.
put new value in a.
now, the structure is:
a->x->b->c-/_ .
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