Submission #420838

#	Time	Username	Problem	Language	Result	Execution time	Memory
420838		Drew_	MalnaRISC (COI21_malnarisc)	C++17	67.63 / 100	5 ms	460 KiB

malnarisc

#include <iostream>
#include <vector>
#include <bitset>
using namespace std;

#define pb push_back
#define ii pair<int, int>
#define f1 first
#define s2 second

bitset<169> used;
int main()
{
	ios :: sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);

	int n;
	cin >> n;

	vector<ii> rem;
	for (int i = 1; i <= n; ++i)
		for (int j = i+1; j <= n; ++j)
			rem.pb({i, j});

	vector<vector<ii>> res;
	while (!rem.empty())
	{
		used.reset();
		vector<ii> out, nxt;
		for (auto [a, b] : rem)
		{
			if (!used[a] && !used[b])
				out.pb({a, b}), used[a] = used[b] = true;
			else nxt.pb({a, b});
		}

		res.pb(out);
		rem = nxt;
	}
	
	cout << res.size() << '\n';
	for (auto &out : res)
	{
		for (int i = 0; i < (int)out.size(); ++i)
			cout << "CMPSWP R" << out[i].f1 << " R" << out[i].s2 << " \n"[i+1 == (int)out.size()];
	}

	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 7.6666666667 / 10
• Subtask 3: 8.4444444444 / 10
• Subtask 4: 7.6666666667 / 10
• Subtask 5: 6.4567901235 / 10
• Subtask 6: 7.213592233 / 10
• Subtask 7: 3.9824561404 / 10
• Subtask 8: 4.803030303 / 10
• Subtask 9: 5.4429530201 / 10
• Subtask 10: 5.9518072289 / 10