is a comprehensive book on getting a job at a top tech company, while focuses on dev interviews and does this for PMs.
CareerCup's interview videos give you a real-life look at technical interviews. In these unscripted videos, watch how other candidates handle tough questions and how the interviewer thinks about their performance.
Most engineers make critical mistakes on their resumes -- we can fix your resume with our custom resume review service. And, we use fellow engineers as our resume reviewers, so you can be sure that we "get" what you're saying.
Our Mock Interviews will be conducted "in character" just like a real interview, and can focus on whatever topics you want. All our interviewers have worked for Microsoft, Google or Amazon, you know you'll get a true-to-life experience.
if the expression is "a+b*c+d".its preorder is "++a*bcd"
- valluri.ravindra May 09, 2012now iterate through the preorder expression in reverse order.
i.e in order dcb*a++.
while iterating if you get operand push on to stack.if it is an operator pop the stack take it as first elment and pop the stack once again to get second element.apply the operator on first element secdond element.then push it on to the stack.
in above example
push(d)
push(c)
push(b)
temp=pop()*pop()
push(temp)
push(a)
temp=pop(a)+pop(b*c)
push(temp)
pop()+pop()
this is the final result