You can increase a stack size with -Xss flag, so you should you run your program like java -Xss500m Main. You can find more in this question on StackOverflow

I think there's stack overflow in codeforces too. I don't remember exactly which problem was that, but I have faced issues when I try to run a recursive function that can go deep upto 10^6 levels.

Edit : Nevermind, I just rechecked all my MLE submissions and all of them were stupid issues not related to stack-overflow. :P

It is possible to get stack overflow 92174392.

Consider adding something like

	public static void solve() {
		//code here
	}
	public static void main(String[] args) throws Exception {
		Thread thread = new Thread(null, () -> solve(), "", 1<<28);
		thread.start();
		thread.join();
	}

which sets the stack size to 1<<28 ($$$2^{28}$$$). Note that this doesn't allow you to do recursion up to $$$2^{28}$$$ levels (you'll get MLE), but it basically overcomes stack overflow. Locally, add the -Xss flag when running. -Xss 512m is usually enough.