oj.uz

Submission #303150

# Submission time Handle Problem Language Result Execution time Memory
303150 2020-09-19T23:12:17 Z tutis Comparing Plants (IOI20_plants) C++17
43 / 100
 4000 ms 2097156 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);
	}
};
vector<vector<bool>>X;
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);
	}
	X = vector<vector<bool>>(n, vector<bool>(n, false));
	vector<bool>ok(n, true);
	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;
		ok[i] = false;
		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);
		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 (ok[jj])
				X[i][jj] = true;
		}
		r[i] = n + 100;
	}
	for (int i = 0; i < n; i++)
	{
		queue<int>Q;
		for (int j = 0; j < n; j++)
		{
			if (X[i][j])
			{
				Q.push(j);
			}
		}
		while (!Q.empty())
		{
			int a = Q.front();
			Q.pop();
			for (int b = 0; b < n; b++)
			{
				if (X[a][b] && X[i][b] == false)
				{
					X[i][b] = true;
					Q.push(b);
				}
			}
		}
	}
}

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 (X[x][y])
		return 1;
	if (X[y][x])
		return -1;
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 68 ms 3192 KB Output is correct
7 Correct 83 ms 3448 KB Output is correct
8 Correct 110 ms 5752 KB Output is correct
9 Correct 113 ms 5752 KB Output is correct
10 Correct 114 ms 5916 KB Output is correct
11 Correct 108 ms 5752 KB Output is correct
12 Correct 117 ms 5880 KB Output is correct
13 Correct 102 ms 5752 KB Output is correct
14 Correct 107 ms 5880 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 6 ms 512 KB Output is correct
7 Correct 94 ms 3832 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 95 ms 3960 KB Output is correct
11 Correct 88 ms 3704 KB Output is correct
12 Correct 88 ms 4152 KB Output is correct
13 Correct 91 ms 3832 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 6 ms 512 KB Output is correct
7 Correct 94 ms 3832 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 95 ms 3960 KB Output is correct
11 Correct 88 ms 3704 KB Output is correct
12 Correct 88 ms 4152 KB Output is correct
13 Correct 91 ms 3832 KB Output is correct
14 Correct 176 ms 5880 KB Output is correct
15 Correct 1575 ms 30072 KB Output is correct
16 Correct 178 ms 5880 KB Output is correct
17 Correct 1591 ms 30144 KB Output is correct
18 Correct 1051 ms 30200 KB Output is correct
19 Correct 1048 ms 30200 KB Output is correct
20 Correct 1326 ms 30200 KB Output is correct

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Execution timed out 4049 ms 3576 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 26 ms 1024 KB Output is correct
8 Correct 92 ms 1016 KB Output is correct
9 Correct 57 ms 1144 KB Output is correct
10 Correct 86 ms 1016 KB Output is correct
11 Correct 32 ms 976 KB Output is correct
12 Correct 52 ms 1016 KB Output is correct
13 Correct 16 ms 1024 KB Output is correct

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 2249 ms 640 KB Output is correct
6 Runtime error 1370 ms 2097156 KB Execution killed with signal 9
7 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 68 ms 3192 KB Output is correct
7 Correct 83 ms 3448 KB Output is correct
8 Correct 110 ms 5752 KB Output is correct
9 Correct 113 ms 5752 KB Output is correct
10 Correct 114 ms 5916 KB Output is correct
11 Correct 108 ms 5752 KB Output is correct
12 Correct 117 ms 5880 KB Output is correct
13 Correct 102 ms 5752 KB Output is correct
14 Correct 107 ms 5880 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 0 ms 256 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 6 ms 512 KB Output is correct
21 Correct 94 ms 3832 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 5 ms 512 KB Output is correct
24 Correct 95 ms 3960 KB Output is correct
25 Correct 88 ms 3704 KB Output is correct
26 Correct 88 ms 4152 KB Output is correct
27 Correct 91 ms 3832 KB Output is correct
28 Correct 176 ms 5880 KB Output is correct
29 Correct 1575 ms 30072 KB Output is correct
30 Correct 178 ms 5880 KB Output is correct
31 Correct 1591 ms 30144 KB Output is correct
32 Correct 1051 ms 30200 KB Output is correct
33 Correct 1048 ms 30200 KB Output is correct
34 Correct 1326 ms 30200 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 1 ms 256 KB Output is correct
37 Execution timed out 4049 ms 3576 KB Time limit exceeded
38 Halted 0 ms 0 KB -