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Programming and Data Structures · Programming in C
Official IIT answer key · IIT Kanpur · Audited Aug 2026
GATE CSE 2015 Set 1 Q33 · MCQ · 2 marks
begin
q := 0
r := x
while r >= y do
begin
r := r - y
q := q + 1
end
end
The post condition that needs to be satisfied after the program terminates isKey concept
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Topic notes
In GATE CS, Programming in C is tested extensively through rigorous code tracing, pointer mechanics, and fundamental semantics rather than high-level syntax trivia. Questions emphasize pointer arithmetic and multidimensional array decay, storage classes (especially static local variables), evaluation order, side effects of increment/decrement operators, parameter passing mechanisms (pass-by-value vs pass-by-reference), and recursive program state tracking. The topic features a nearly balanced split between NAT and MCQ items across 1-mark and 2-mark categories, demanding precise, bug-free execution traces without a compiler.
Full Programming in C guide →Consider the following pseudo code, where x and y are positive integers. begin q := 0 r := x while r >= y do begin r := r - y q := q + 1 end end The post condition that needs to be satisfied after the program terminates is
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