Submission #1113452

#	Time	Username	Problem	Language	Result	Execution time	Memory
1113452		Nonoze	Make them Meet (EGOI24_makethemmeet)	C++17	24 / 100	2 ms	336 KiB

Main

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

#define sz(x) (int)x.size()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define cmin(a, b) a=min(a, b)
#define cmax(a, b) a=max(a, b)
#define fi first
#define se second
#define pb push_back
#define mp make_pair

#define int long long

void solve();

signed main() {
	ios::sync_with_stdio(0); cin.tie(0);
	solve();
	return 0;
}

vector<vector<int>> vec;


void print() {
	cout << sz(vec) << endl;
	for (auto &a: vec) {
		for (auto &u: a) cout << u << ' ';
		cout << endl;
	}
	cout << endl;
}

void add(vector<int> &a) { vec.pb(a); }


int n, m;
vector<int> a;


void solve() {
	cin >> n >> m; a.clear(), a.resize(n, -1);
	for (int t=0; t<1; t++) {
		int cnt=0;
		for (int i=0; i+1<n; i+=2) {
			a[i]=a[i+1]=cnt++;
		}
		if (n%2) a[n-1]=cnt++;
		for (int i=0; i<n; i++) {
			add(a);
			int bk=a.back();
			a.pop_back();
			if (n%2==0) {
				if (a.back()==bk) bk=cnt;
				if (a[1]!=a[0]) a[0]=bk;
			} else {
				if (a[1]!=a[0]) bk=a[0];
			}
			a.insert(a.begin(), bk);
		}
	}
	print();
}

• Subtask 1: 0 / 10
• Subtask 2: 13 / 13
• Subtask 3: 11 / 11
• Subtask 4: 0 / 36
• Subtask 5: 0 / 30