oj.uz

Submission #303180

# Submission time Handle Problem Language Result Execution time Memory
303180 2020-09-20T00:24:24 Z tutis Comparing Plants (IOI20_plants) C++17
43 / 100
 4000 ms 700352 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];
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());
	for (int i : K)
	{
		for (int j = i - (k - 1); j <= i + (k - 1); j++)
		{
			int jj = j;
			if (jj < 0)
				jj += n;
			if (jj >= n)
				jj -= n;
			if (jj != i)
				for (int k : B[jj])
					B[i].insert(k);
		}
		B[i].insert(i);
	}
}

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 (B[x].count(y))
		return 1;
	if (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 8 ms 9760 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 71 ms 12536 KB Output is correct
7 Correct 88 ms 12792 KB Output is correct
8 Correct 117 ms 15204 KB Output is correct
9 Correct 115 ms 15224 KB Output is correct
10 Correct 115 ms 15224 KB Output is correct
11 Correct 118 ms 15224 KB Output is correct
12 Correct 119 ms 15228 KB Output is correct
13 Correct 114 ms 15224 KB Output is correct
14 Correct 112 ms 15224 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9728 KB Output is correct
2 Correct 7 ms 9856 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 98 ms 13304 KB Output is correct
8 Correct 8 ms 9728 KB Output is correct
9 Correct 12 ms 9856 KB Output is correct
10 Correct 100 ms 13304 KB Output is correct
11 Correct 93 ms 13180 KB Output is correct
12 Correct 93 ms 13304 KB Output is correct
13 Correct 100 ms 13304 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9728 KB Output is correct
2 Correct 7 ms 9856 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 98 ms 13304 KB Output is correct
8 Correct 8 ms 9728 KB Output is correct
9 Correct 12 ms 9856 KB Output is correct
10 Correct 100 ms 13304 KB Output is correct
11 Correct 93 ms 13180 KB Output is correct
12 Correct 93 ms 13304 KB Output is correct
13 Correct 100 ms 13304 KB Output is correct
14 Correct 184 ms 15352 KB Output is correct
15 Correct 1628 ms 39416 KB Output is correct
16 Correct 181 ms 15352 KB Output is correct
17 Correct 1638 ms 39416 KB Output is correct
18 Correct 1087 ms 39536 KB Output is correct
19 Correct 1076 ms 39624 KB Output is correct
20 Correct 1338 ms 39544 KB Output is correct

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 782 ms 71716 KB Output is correct
4 Execution timed out 4117 ms 700352 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #5
11.0 / 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 8 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 9 ms 9856 KB Output is correct
7 Correct 29 ms 10752 KB Output is correct
8 Correct 229 ms 12664 KB Output is correct
9 Correct 41 ms 11896 KB Output is correct
10 Correct 226 ms 12536 KB Output is correct
11 Correct 33 ms 11136 KB Output is correct
12 Correct 49 ms 11896 KB Output is correct
13 Correct 22 ms 10368 KB Output is correct

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9652 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 2316 ms 31984 KB Output is correct
6 Execution timed out 4080 ms 100732 KB Time limit exceeded
7 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 8 ms 9760 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 71 ms 12536 KB Output is correct
7 Correct 88 ms 12792 KB Output is correct
8 Correct 117 ms 15204 KB Output is correct
9 Correct 115 ms 15224 KB Output is correct
10 Correct 115 ms 15224 KB Output is correct
11 Correct 118 ms 15224 KB Output is correct
12 Correct 119 ms 15228 KB Output is correct
13 Correct 114 ms 15224 KB Output is correct
14 Correct 112 ms 15224 KB Output is correct
15 Correct 6 ms 9728 KB Output is correct
16 Correct 7 ms 9856 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 98 ms 13304 KB Output is correct
22 Correct 8 ms 9728 KB Output is correct
23 Correct 12 ms 9856 KB Output is correct
24 Correct 100 ms 13304 KB Output is correct
25 Correct 93 ms 13180 KB Output is correct
26 Correct 93 ms 13304 KB Output is correct
27 Correct 100 ms 13304 KB Output is correct
28 Correct 184 ms 15352 KB Output is correct
29 Correct 1628 ms 39416 KB Output is correct
30 Correct 181 ms 15352 KB Output is correct
31 Correct 1638 ms 39416 KB Output is correct
32 Correct 1087 ms 39536 KB Output is correct
33 Correct 1076 ms 39624 KB Output is correct
34 Correct 1338 ms 39544 KB Output is correct
35 Correct 8 ms 9728 KB Output is correct
36 Correct 7 ms 9728 KB Output is correct
37 Correct 782 ms 71716 KB Output is correct
38 Execution timed out 4117 ms 700352 KB Time limit exceeded
39 Halted 0 ms 0 KB -