C/C++ Interview Question: Why Executable file differs in size

I have following code snippets… Code snippet 1 int arr[1000000]; int main() { return arr[0]; } Code snippet 2: int arr[1000000] = {10}; int main() { return arr[0]; } After compilation of the above snippets the output exe differs in size. The second snippet’s executable is much bigger in size than the first snippet’s executable. […]
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