This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ar array
void print(int i, int j) {
	cout << i << " " << j << "\n";
}
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	ll k; cin >> k;
	if (k>=0) {
		assert(k<=500);
		print(k+3, 2*(k+1));
		for (int i=2; i<=k+2; ++i) {
			print(1, i);
			print(i, k+3);
		}
	}
	else {
		k=-k;
		assert(k<=300);
		print(k+5, 3*(k+1)+2);
		for (int i=2; i<=k+2; ++i) {
			print(1, i);
			print(i, k+3);
			print(i, k+4);
		}
		print(k+3, k+5);
		print(k+4, k+5);
	}
	return 0;
}
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... |