oj.uz

Submission #790390

# Submission time Handle Problem Language Result Execution time Memory
790390 2023-07-22T15:34:56 Z Elias Wall (IOI14_wall) C++17
100 / 100
 569 ms 130676 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
#ifndef _DEBUG
#include "wall.h"
#endif
 
template <class T>
istream &operator>>(istream &in, vector<T> &a)
{
	for (auto &x : a)
		in >> x;
	return in;
}
 
int minusMin(int a, int b)
{
	if (a == -1)
		return b;
	if (b == -1)
		return a;
	return min(a, b);
}
 
int minusMax(int a, int b)
{
	if (a == -1)
		return b;
	if (b == -1)
		return a;
	return max(a, b);
}
 
struct Node
{
	int low = -1;
	int high = -1;
	bool first = 0;
 
	void Apply(Node update)
	{
 
		if (this->low == -1 && this->high == -1)
		{
			*this = update;
			return;
		}
		if (update.low == -1 && update.high == -1)
			return;
 
		low = minusMax(low, update.low);
		high = minusMin(high, update.high);
 
		if (low > high && high != -1)
		{
			low = high = ((low == update.low) ? update.low : update.high);
		}
 
		bool a = low == update.low && low != -1;
		bool b = high == update.high && high != -1;
 
		if (a && b)
			first = update.low;
		else if (a)
			first = 0;
		else if (b)
			first = 1;
	}
};
 
Node emp = {-1, -1, 0};
 
vector<Node> b;
 
void updateRange(int l, int r, int i, int ul, int ur, Node up)
{
	if (l >= ur || r <= ul)
		return;
	if (l >= ul && r <= ur)
	{
		b[i].Apply(up);
		return;
	}
 
	b[i * 2 + 1].Apply(b[i]);
	b[i * 2 + 2].Apply(b[i]);
 
	b[i] = emp;
 
	int m = (l + r) / 2;
	updateRange(l, m, i * 2 + 1, ul, ur, up);
	updateRange(m, r, i * 2 + 2, ul, ur, up);
}
 
void extractValues(int l, int r, int i, int a[])
{
	if (l + 1 == r)
	{
		a[l] = max(b[i].low, 0);
		return;
	}
 
	b[i * 2 + 1].Apply(b[i]);
	b[i * 2 + 2].Apply(b[i]);
 
	b[i] = emp;
 
	int m = (l + r) / 2;
	extractValues(l, m, i * 2 + 1, a);
	extractValues(m, r, i * 2 + 2, a);
}
 
void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[])
{
 
	b = vector<Node>(n * 4, emp);
 
	for (int i = 0; i < k; i++)
		updateRange(0, n, 0, left[i], right[i] + 1, ((op[i] == 1) ? Node{height[i], -1, 0} : Node{-1, height[i], 1}));
 
	extractValues(0, n, 0, finalHeight);
}
 
#ifdef _DEBUG
 
signed main()
{
	cin.tie(0);
	ios_base::sync_with_stdio(false);
 
	int n, k;
	cin >> n >> k;
 
	vector<int> op, left, right, height;
	op = left = right = height = vector<int>(k);
	cin >> op >> left >> right >> height;
 
	vector<int> finalHeight(n);
 
	buildWall(n, k, op, left, right, height, finalHeight);
 
	for (int &x : finalHeight)
		cout << x << " ";
	cout << "\n";
}
 
#endif

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 6 ms 1016 KB Output is correct
5 Correct 4 ms 980 KB Output is correct
6 Correct 6 ms 980 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 296 KB Output is correct
2 Correct 105 ms 13936 KB Output is correct
3 Correct 184 ms 8248 KB Output is correct
4 Correct 551 ms 22948 KB Output is correct
5 Correct 227 ms 24008 KB Output is correct
6 Correct 220 ms 22444 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 440 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 9 ms 988 KB Output is correct
5 Correct 6 ms 948 KB Output is correct
6 Correct 6 ms 984 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 126 ms 13896 KB Output is correct
9 Correct 174 ms 8252 KB Output is correct
10 Correct 532 ms 22940 KB Output is correct
11 Correct 236 ms 24000 KB Output is correct
12 Correct 221 ms 22440 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 106 ms 13820 KB Output is correct
15 Correct 32 ms 2304 KB Output is correct
16 Correct 558 ms 23204 KB Output is correct
17 Correct 257 ms 22604 KB Output is correct
18 Correct 262 ms 22624 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 6 ms 980 KB Output is correct
5 Correct 4 ms 980 KB Output is correct
6 Correct 4 ms 956 KB Output is correct
7 Correct 0 ms 296 KB Output is correct
8 Correct 104 ms 13888 KB Output is correct
9 Correct 173 ms 8244 KB Output is correct
10 Correct 528 ms 23072 KB Output is correct
11 Correct 223 ms 24020 KB Output is correct
12 Correct 221 ms 22484 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 111 ms 13900 KB Output is correct
15 Correct 32 ms 2304 KB Output is correct
16 Correct 562 ms 23200 KB Output is correct
17 Correct 228 ms 22664 KB Output is correct
18 Correct 241 ms 22624 KB Output is correct
19 Correct 547 ms 130504 KB Output is correct
20 Correct 552 ms 128168 KB Output is correct
21 Correct 545 ms 130580 KB Output is correct
22 Correct 548 ms 128040 KB Output is correct
23 Correct 569 ms 128100 KB Output is correct
24 Correct 544 ms 128084 KB Output is correct
25 Correct 541 ms 128144 KB Output is correct
26 Correct 546 ms 130520 KB Output is correct
27 Correct 559 ms 130676 KB Output is correct
28 Correct 549 ms 127976 KB Output is correct
29 Correct 541 ms 128116 KB Output is correct
30 Correct 565 ms 128028 KB Output is correct