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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 Q35 · MCQ · 2 marks
int main () {
unsigned int x[4][3] =
{{1,2,3},{4,5,6},{7,8,9},{10,11,12}};
printf("%u, %u, %u", x+3, *(x+3), *(x+2)+3);
}Key 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 →What is the output of the following C code? Assume that the address of x is 2000 (in decimal) and an integer requires four bytes of memory. int main () unsigned int x[4][3] = 1,2,3,4,5,6,7,8,9,10,11,12; printf("%u, %u, %u", x+3, *(x+3), *(x+2)+3);
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