Submission #827308

#	Time	Username	Problem	Language	Result	Execution time	Memory
827308		Farhan_HY	Newspapers (CEOI21_newspapers)	C++17	6 / 100	1 ms	212 KiB

newspapers

#include <bits/stdc++.h>
#define int long long
#define F first
#define S second
#define T int t; cin >> t; while(t--)
#define IOS ios::sync_with_stdio(0); cin.tie(0);
using namespace std;
const int inf = 1e18;
const int N = 1e5 + 5;
const int M = 500;
const int LOG = 32;
const int CHAR = 26;
const int mod = 1e9 + 7;
const int mod2 = 998244353;
const float pi = atan(1) * 4;
const int dx[] = {-1, 1, 0, 0};
const int dy[] = {0, 0, 1, -1};

main() {
	IOS
	int n;
	cin >> n;
	cout << "YES\n";
	cout << 2 * n << '\n';
	for(int i = 1; i <= n; i++) cout << i << " ";
	for(int i = n; i; i--) cout << i << " ";
}

Compilation message (stderr)

newspapers.cpp:19:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   19 | main() {
      | ^~~~

• Subtask 1: 0 / 12
• Subtask 2: 6 / 8
• Subtask 3: 0 / 80