oj.uz

Submission #303165

# Submission time Handle Problem Language Result Execution time Memory
303165 2020-09-20T00:05:53 Z tutis Comparing Plants (IOI20_plants) C++17
32 / 100
 4000 ms 602236 KB 
#include "plants.h"
#include <bits/stdc++.h>
using namespace std;
vector<int>k0, k1;
int K, n;
vector<int>A;
struct ST
{
	int l, r;
	pair<int, int> mn;
	pair<int, int> mn1;
	int del = 0;
	int del1 = 0;
	ST *left, *right;
	ST(int l, int r, vector<int>&a): l(l), r(r)
	{
		if (l < r)
		{
			left = new ST(l, (l + r) / 2, a);
			right = new ST((l + r) / 2 + 1, r, a);
			mn = min(left->mn, right->mn);
		}
		else
			mn = {a[l], l};
		mn1 = mn;
	}
	void fix()
	{
		if (l == r)
		{
			mn.first += del;
			del = 0;
		}
		else
		{
			mn.first += del;
			left->del += del;
			right->del += del;
			del = 0;
		}
	}
	void fix1()
	{
		if (l == r)
		{
			mn1.first += del1;
			del1 = 0;
		}
		else
		{
			mn1.first += del1;
			left->del1 += del1;
			right->del1 += del1;
			del1 = 0;
		}
	}
	void add(int x, int y, int w)
	{
		if (x <= l && r <= y)
		{
			del += w;
			return fix();
		}
		fix();
		if (r < x || y < l)
			return;
		left->add(x, y, w);
		right->add(x, y, w);
		mn = min(left->mn, right->mn);
	}
	void add1(int x, int y, int w)
	{
		if (x <= l && r <= y)
		{
			del1 += w;
			return fix1();
		}
		fix1();
		if (r < x || y < l)
			return;
		left->add1(x, y, w);
		right->add1(x, y, w);
		mn1 = min(left->mn1, right->mn1);
	}
};
set<int>B[200000];
int id[200000];
void init(int k, vector<int> r)
{
	K = k;
	n = r.size();
	if (k == 2)
	{
		k0 = k1 = vector<int>(n, 0);
		for (int t = 0; t < 2; t++)
			for (int i = n - 1; i >= 0; i--)
			{
				if (r[i] == 0)
					k0[i] = 1 + k0[(i + 1) % n];
				else
					k1[i] = 1 + k1[(i + 1) % n];
			}
		return;
	}
	if (2 * k > n)
	{
		ST medis(0, n - 1, r);
		auto add = [&](int x, int y, int w)
		{
			while (y >= n)
			{
				x -= n;
				y -= n;
			}
			while (x < 0)
			{
				x += n;
				y += n;
			}
			if (y < n)
			{
				medis.add(x, y, w);
			}
			else
			{
				medis.add(x, n - 1, w);
				medis.add(0, y - n, w);
			}
		};
		auto add1 = [&](int x, int y, int w)
		{
			while (y >= n)
			{
				x -= n;
				y -= n;
			}
			while (x < 0)
			{
				x += n;
				y += n;
			}
			if (y < n)
			{
				medis.add1(x, y, w);
			}
			else
			{
				medis.add1(x, n - 1, w);
				medis.add1(0, y - n, w);
			}
		};
		while (medis.mn1.first == 0)
		{
			int i = medis.mn1.second;
			add(i + 1, i + (k - 1), 1);
			add1(i, i, 1);
		}
		A = vector<int>(n, -1);
		for (int tt = 0; tt < n; tt++)
		{
			while (medis.mn1.first == 0)
			{
				int i = medis.mn1.second;
				add(i + 1, i + (k - 1), 1);
				add1(i, i, 1);
			}
			int i = medis.mn.second;
			add(i + 1, i + (k - 1), -1);
			add(i - (k - 1), i - 1, -1);
			add1(i - (k - 1), i - 1, -1);
			A[i] = tt;
			add(i, i, n + 10000);
			add1(i, i, n + 10000);
			r[i] = n + 100;
		}
		return;
	}
	ST medis(0, n - 1, r);
	auto add = [&](int x, int y, int w)
	{
		while (y >= n)
		{
			x -= n;
			y -= n;
		}
		while (x < 0)
		{
			x += n;
			y += n;
		}
		if (y < n)
		{
			medis.add(x, y, w);
		}
		else
		{
			medis.add(x, n - 1, w);
			medis.add(0, y - n, w);
		}
	};
	auto add1 = [&](int x, int y, int w)
	{
		while (y >= n)
		{
			x -= n;
			y -= n;
		}
		while (x < 0)
		{
			x += n;
			y += n;
		}
		if (y < n)
		{
			medis.add1(x, y, w);
		}
		else
		{
			medis.add1(x, n - 1, w);
			medis.add1(0, y - n, w);
		}
	};
	while (medis.mn1.first == 0)
	{
		int i = medis.mn1.second;
		add(i + 1, i + (k - 1), 1);
		add1(i, i, 1);
	}
	vector<int>K;
	for (int tt = 0; tt < n; tt++)
	{
		while (medis.mn1.first == 0)
		{
			int i = medis.mn1.second;
			add(i + 1, i + (k - 1), 1);
			add1(i, i, 1);
		}
		int i = medis.mn.second;
		add(i + 1, i + (k - 1), -1);
		add(i - (k - 1), i - 1, -1);
		add1(i - (k - 1), i - 1, -1);
		add(i, i, n + 10000);
		add1(i, i, n + 10000);
		K.push_back(i);
		r[i] = n + 100;
	}
	reverse(K.begin(), K.end());
	int timer = 0;
	for (int i = 0; i < n; i++)
		B[i].insert(i);
	for (int i : K)
	{
		id[i] = timer++;
		for (int j = i - (k - 1); j <= i + (k - 1); j++)
		{
			int jj = j;
			if (jj < 0)
				jj += n;
			if (jj >= n)
				jj -= n;
			for (int k : B[jj])
				B[i].insert(k);
		}
	}
}

int compare_plants(int x, int y)
{
	assert(x < y);
	if (K == 2)
	{
		if (k0[x] >= y - x)
			return 1;
		if (k1[x] >= y - x)
			return -1;
		if (k0[y] >= n - y + x)
			return -1;
		if (k1[y] >= n - y + x)
			return 1;
		return 0;
	}
	if (!A.empty())
	{
		if (A[x] < A[y])
			return 1;
		else
			return -1;
	}
	if (id[x] > id[y] && B[x].count(y))
		return 1;
	if (id[x] < id[y] && B[y].count(x))
		return -1;
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9728 KB Output is correct
5 Correct 7 ms 9728 KB Output is correct
6 Correct 68 ms 12536 KB Output is correct
7 Correct 87 ms 12920 KB Output is correct
8 Correct 112 ms 15224 KB Output is correct
9 Correct 110 ms 15224 KB Output is correct
10 Correct 111 ms 15224 KB Output is correct
11 Correct 112 ms 15256 KB Output is correct
12 Correct 109 ms 15224 KB Output is correct
13 Correct 105 ms 15224 KB Output is correct
14 Correct 106 ms 15224 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 6 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9728 KB Output is correct
5 Correct 7 ms 9728 KB Output is correct
6 Correct 12 ms 9856 KB Output is correct
7 Correct 96 ms 13304 KB Output is correct
8 Correct 9 ms 9728 KB Output is correct
9 Correct 11 ms 9856 KB Output is correct
10 Correct 96 ms 13304 KB Output is correct
11 Correct 90 ms 13176 KB Output is correct
12 Correct 94 ms 13432 KB Output is correct
13 Correct 93 ms 13308 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 6 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9728 KB Output is correct
5 Correct 7 ms 9728 KB Output is correct
6 Correct 12 ms 9856 KB Output is correct
7 Correct 96 ms 13304 KB Output is correct
8 Correct 9 ms 9728 KB Output is correct
9 Correct 11 ms 9856 KB Output is correct
10 Correct 96 ms 13304 KB Output is correct
11 Correct 90 ms 13176 KB Output is correct
12 Correct 94 ms 13432 KB Output is correct
13 Correct 93 ms 13308 KB Output is correct
14 Correct 180 ms 15464 KB Output is correct
15 Correct 1597 ms 39652 KB Output is correct
16 Correct 179 ms 15352 KB Output is correct
17 Correct 1585 ms 39544 KB Output is correct
18 Correct 1073 ms 39544 KB Output is correct
19 Correct 1064 ms 39404 KB Output is correct
20 Correct 1321 ms 39544 KB Output is correct

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 1502 ms 125688 KB Output is correct
4 Execution timed out 4136 ms 602236 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9728 KB Output is correct
5 Incorrect 7 ms 9728 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Incorrect 7 ms 9728 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9728 KB Output is correct
5 Correct 7 ms 9728 KB Output is correct
6 Correct 68 ms 12536 KB Output is correct
7 Correct 87 ms 12920 KB Output is correct
8 Correct 112 ms 15224 KB Output is correct
9 Correct 110 ms 15224 KB Output is correct
10 Correct 111 ms 15224 KB Output is correct
11 Correct 112 ms 15256 KB Output is correct
12 Correct 109 ms 15224 KB Output is correct
13 Correct 105 ms 15224 KB Output is correct
14 Correct 106 ms 15224 KB Output is correct
15 Correct 7 ms 9728 KB Output is correct
16 Correct 6 ms 9728 KB Output is correct
17 Correct 7 ms 9728 KB Output is correct
18 Correct 7 ms 9728 KB Output is correct
19 Correct 7 ms 9728 KB Output is correct
20 Correct 12 ms 9856 KB Output is correct
21 Correct 96 ms 13304 KB Output is correct
22 Correct 9 ms 9728 KB Output is correct
23 Correct 11 ms 9856 KB Output is correct
24 Correct 96 ms 13304 KB Output is correct
25 Correct 90 ms 13176 KB Output is correct
26 Correct 94 ms 13432 KB Output is correct
27 Correct 93 ms 13308 KB Output is correct
28 Correct 180 ms 15464 KB Output is correct
29 Correct 1597 ms 39652 KB Output is correct
30 Correct 179 ms 15352 KB Output is correct
31 Correct 1585 ms 39544 KB Output is correct
32 Correct 1073 ms 39544 KB Output is correct
33 Correct 1064 ms 39404 KB Output is correct
34 Correct 1321 ms 39544 KB Output is correct
35 Correct 7 ms 9728 KB Output is correct
36 Correct 7 ms 9728 KB Output is correct
37 Correct 1502 ms 125688 KB Output is correct
38 Execution timed out 4136 ms 602236 KB Time limit exceeded
39 Halted 0 ms 0 KB -