Submission #999187

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Source Code Expand

#include<iostream>
#include<vector>
using namespace std;
int n, x[1000][1000];
vector<pair<int, int>> vec;
int main() {
	cin >> n;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < n; j++) {
			if (i % 3 == 0)x[i][j] = 1;
			if (i % 3 == 2 && i % 4 <= 2)x[i][j] = 1;
			if (x[i][j] == 1 && (i + j) % 2 == 0)vec.push_back(make_pair(i, j));
		}
	}
	cout << vec.size() << endl;
	for (int i = 0; i < vec.size(); i++) {
		cout << vec[i].first << ' ' << vec[i].second << endl;
	}
	return 0;
}

Submission Info

Judge Result