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Programming and Data Structures · Programming in C
Official IIT answer key · IIT Roorkee · Audited Aug 2026
GATE CSE 2026 Set 1 Q34 · NAT · 1 mark
#include <stdio.h>
void func(int i, int j) {
if(i < j) {
int i = 0;
while (i < 10) {
j += 2;
i++;
}
}
printf("%d", i);
}
int main() {
int i = 9, j = 10;
func(i, j);
return 0;
}
The output of the program is ________. (answer in integer)
Note: Assume that the program compiles and runs successfully.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 →Consider the following program in C: #include void func(int i, int j) if(i The output of the program is … (answer in integer) Note: Assume that the program compiles and runs successfully.
Topic-wise GATE CS PYQs with verified steps
Independent practice explanation verified by the GateAI team. GATE is conducted by the IITs; question text follows the official paper.