Submission #1258833

#	Time	Username	Problem	Language	Result	Execution time	Memory
1258833		Seyyed_Mojtaba_Mortazavi	JOIRIS (JOI16_joiris)	C++20	0 / 100	1 ms	328 KiB

joiris

#include <bits/stdc++.h>

using namespace std;

typedef pair <int, int> pii;

const int MAXN = 5e1 + 10;

int k;
int a[MAXN];
int s[MAXN];
vector <pii> ans;

void query(int type, int ind)
{
	if (type == 1)
	{
		a[ind] += k;
	}
	else
	{
		for (int i = ind; i < ind + k; i++)
			a[ind]++;
	}
	ans.push_back({type, ind});
}

signed main()
{
	int n;
	cin >> n >> k;
	for (int i = 1; i <= n; i++)
	{
		cin >> a[i];
		s[(i - 1) % k] = (s[(i - 1) % k] + a[i]) % k;
	}
	for (int i = 0; i < n % k; i++)
	{
		if (s[i] != s[0])
		{
			cout << -1 << endl;
			return 0;
		}
    }
    for (int i = n % k; i < k; i++)
	{
		if (s[i] != s[k - 1])
		{
			cout << -1 << endl;
			return 0;
		}
    }
    for (int i = 2; i <= n; i++)
	{
        while (a[i] < a[i - 1])
			query(1, i);
    }
    for (int i = k + 1; i <= n; i++)
	{
        for (int j = a[i - 1]; j < a[i]; j++)
		{
            for (int x = (i - 1) % k + 1; x < i; x += k)
				query(2, x);
        }
    }
    for (int i = 1; i < k; i++)
	{
        while (a[i] < a[n])
			query(1, i);
    }
    int mx = 0;
	for (int i = n % k + 1; i <= k; i++)
		mx = max(mx, a[i]);
    for (int i = 1; i <= n; i++)
	{
        while (a[i] < mx)
			query(1, i);
    }
    mx = 0;
	for (int i = 1; i <= n % k; i++)
		mx = max(mx, a[i]);
    for (int i = 1; i <= n % k; i++)
	{
        while (a[i] < mx)
			query(1, i);
    }
    for (int i = n % k + 1; i <= n; i += k)
	{
        while (a[i] < mx)
			query(2, i);
    }
    cout << ans.size() << endl;
    for (auto [x, y] : ans)
        cout << x << " " << y << endl;
	return 0;
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 55