Gate 2025 | loops and functions | What is the output #cprogramming #gatecse #ugcnet #programming #jk

What is the output of the following code:
int g(int);
int f(int);
int main() {
int sum=0,n;
for(n=1;n less than 3;n++)
{
sum+=g(f(n));
}
printf("%d",sum);

return 0;
}

int g(int n)
{
return 10+n;
}
int f(int n)
{
return g(2*n);
}

Welcome to another GATE CSE 2025 problem-solving session! 🚀 In this video, we analyze an important C programming question on Loops and Functions, where we evaluate the expression sum += g(f(n)) inside a for loop. Understanding how functions work within loops and how values accumulate is crucial for GATE Computer Science aspirants.

🔹 What You’ll Learn in This Video?
✅ How for loops work in C programming
✅ Understanding function calls within loops
✅ Step-by-step dry run of the given expression
✅ Identifying common mistakes and edge cases

🔹 Why Watch This?
📌 Important for GATE CSE 2025 exam preparation
📌 Strengthen your C programming, functions, and loop control skills
📌 Perfect for GATE aspirants & coding enthusiasts

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