Ruudukko

#include <bits/stdc++.h>
using namespace std;

int taita(double x, double y, double p, int limit, map<int, map<int, int>> &m, double rootVal) {

	auto d = pow(2, p);
	auto d2 = pow(2, p - 1);
	double newX = x;
	double newY = y;

	if (fmod(x, d) > d2 || fmod(x, d) == 0) {
		newX -= d2;
		newY += d2;
	} else {
		newX += d2;
		newY += d2;
	}

	if (newX > limit || newY > limit) {
		return 1;
	}

	m[newY][newX] = rootVal;
	p++;
	taita(x, y, p, limit, m, rootVal);
	taita(newX, newY, p, limit, m, rootVal);

	return 1;
}

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	int n;
	cin >> n;

	map<int, map<int, int>> m;

	int fixedN = pow(2, ceil(log2(n)));

	for (int i = 1; i <= fixedN; i++) {
		m[1][i] = i;
		taita(i, 1, 1, fixedN, m, i);
	}

	for (int y = 1; y <= n; y++) {
		for (int x = 1; x <= n; x++) {
			cout << m[y][x];

			if (x != n) {
				cout << " ";
			}
		}

		cout << "\n";
	}
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED