GATE CSE 2025 Session 2 Q63: Sum of nested function calls in a loop
- Programming and Data Structures
- 2 marks
- NAT
- No negative marking
Question
Consider the following C program:
#include <stdio.h>
int g(int n) {
return (n+10);
}
int f(int n) {
return g(n*2);
}
int main() {
int sum, n;
sum=0;
for (n=1; n<3; n++)
sum += g(f(n));
printf ("%d", sum);
return 0;
}The output of the given C program is ________. (Answer in integer)
Try it: numerical answer: type the value
Numerical answer. No negative marking.
Show answer and explanation
Answer: 46 (official GATE 2025 final answer key)
Concept used: Evaluate the composed functions: .
First step: The loop runs for and ; compute and .
Full step-by-step solution
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Source: official GATE 2025 Session 2 CS question paper and final answer key, organised by IIT Roorkee. Question paper · Answer key
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