oj.uz

Submission #240171

# Submission time Handle Problem Language Result Execution time Memory
240171 2020-06-18T11:45:57 Z GREGOIRELC Wall (IOI14_wall) C++14
100 / 100
 739 ms 77560 KB 
#include <iostream>
#include <vector>
#include <queue>
#include <algorithm>
#include "wall.h"

using namespace std;

const int MAX_POS = 2e6;
const int TAILLE_MAX = 1e5 + 1;
const int MAX_NOEUD = 1 << 22;
const int MID = 1 << 21;
const int RACINE = 1;

pair<int, int> lazy[MAX_NOEUD];
int hauteursFinales[MAX_POS];

void propage(int noeud)
{
	for(int nxtNoeud = noeud * 2; nxtNoeud <= noeud * 2 + 1; nxtNoeud++)
	{
		lazy[nxtNoeud].first = max(lazy[nxtNoeud].first, lazy[noeud].first);
		lazy[nxtNoeud].first = min(lazy[nxtNoeud].first, lazy[noeud].second);
		lazy[nxtNoeud].second = min(lazy[nxtNoeud].second, lazy[noeud].second);
		lazy[nxtNoeud].second = max(lazy[nxtNoeud].second, lazy[noeud].first);
	}
	lazy[noeud].first = 0;
	lazy[noeud].second = MAX_POS;
}

void update(int noeud, int curDeb, int curFin, int deb, int fin, int tp, int val)
{
	if(curDeb > fin || curFin < deb)
	{
		return;
	}
	if(curDeb >= deb && curFin <= fin)
	{
		if(tp == 1)
		{
			lazy[noeud].first = max(lazy[noeud].first, val);
			lazy[noeud].second = max(lazy[noeud].second, val);
		}
		else
		{
			lazy[noeud].second = min(lazy[noeud].second, val);
			lazy[noeud].first = min(lazy[noeud].first, val);
		}
		return;
	}
	if(curDeb == curFin)
	{
		return;
	}
	propage(noeud);
	int mid = (curDeb + curFin) / 2;
	update(noeud * 2, curDeb, mid, deb, fin, tp, val);
	update(noeud * 2 + 1, mid + 1, curFin, deb, fin, tp, val);
}

void get_Hauteurs_Finales(int noeud, int deb, int fin, int n, int maxi)
{
	//cout << noeud << " " << deb << " " << fin << " " << lazy[noeud].first << " " << lazy[noeud].second << endl;
	if(lazy[noeud].first <= lazy[noeud].second)
	{
		maxi = max(maxi, lazy[noeud].first);
	}
	if(deb == fin || deb > n)
	{
		if(deb < n)
		{
			hauteursFinales[deb] = maxi;
		}
		return;
	}
	propage(noeud);
	int mid = (deb + fin) / 2;
	get_Hauteurs_Finales(noeud * 2, deb, mid, n, maxi);
	get_Hauteurs_Finales(noeud * 2 + 1, mid + 1, fin, n, maxi);
}

void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[])
{
	for(int i = 0; i < MAX_NOEUD; i++)
	{
		lazy[i].first = 0;
		lazy[i].second = MAX_POS;
	}
	for(int i = 0; i < k; i++)
	{
		update(1, 0, MID - 1, left[i], right[i], op[i], height[i]);
	}
	get_Hauteurs_Finales(1, 0, MID - 1, n, 0);
	for(int i = 0; i < n; i++)
	{
		finalHeight[i] = hauteursFinales[i];
	}
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 33152 KB Output is correct
2 Correct 27 ms 33280 KB Output is correct
3 Correct 24 ms 33280 KB Output is correct
4 Correct 30 ms 33408 KB Output is correct
5 Correct 27 ms 33408 KB Output is correct
6 Correct 27 ms 33408 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 33152 KB Output is correct
2 Correct 318 ms 46940 KB Output is correct
3 Correct 218 ms 40568 KB Output is correct
4 Correct 560 ms 51660 KB Output is correct
5 Correct 382 ms 52652 KB Output is correct
6 Correct 359 ms 51320 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 33152 KB Output is correct
2 Correct 25 ms 33280 KB Output is correct
3 Correct 24 ms 33272 KB Output is correct
4 Correct 29 ms 33532 KB Output is correct
5 Correct 29 ms 33400 KB Output is correct
6 Correct 29 ms 33408 KB Output is correct
7 Correct 23 ms 33152 KB Output is correct
8 Correct 320 ms 46840 KB Output is correct
9 Correct 217 ms 40440 KB Output is correct
10 Correct 553 ms 51704 KB Output is correct
11 Correct 368 ms 52728 KB Output is correct
12 Correct 358 ms 51064 KB Output is correct
13 Correct 21 ms 33152 KB Output is correct
14 Correct 326 ms 46972 KB Output is correct
15 Correct 52 ms 34424 KB Output is correct
16 Correct 562 ms 51832 KB Output is correct
17 Correct 367 ms 51320 KB Output is correct
18 Correct 361 ms 51420 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 33152 KB Output is correct
2 Correct 24 ms 33280 KB Output is correct
3 Correct 24 ms 33280 KB Output is correct
4 Correct 26 ms 33408 KB Output is correct
5 Correct 26 ms 33408 KB Output is correct
6 Correct 28 ms 33408 KB Output is correct
7 Correct 21 ms 33152 KB Output is correct
8 Correct 323 ms 46840 KB Output is correct
9 Correct 214 ms 40440 KB Output is correct
10 Correct 528 ms 51704 KB Output is correct
11 Correct 360 ms 52728 KB Output is correct
12 Correct 342 ms 51192 KB Output is correct
13 Correct 22 ms 33152 KB Output is correct
14 Correct 321 ms 46840 KB Output is correct
15 Correct 53 ms 34424 KB Output is correct
16 Correct 532 ms 51836 KB Output is correct
17 Correct 360 ms 51320 KB Output is correct
18 Correct 369 ms 51320 KB Output is correct
19 Correct 727 ms 77436 KB Output is correct
20 Correct 729 ms 75000 KB Output is correct
21 Correct 732 ms 77560 KB Output is correct
22 Correct 723 ms 75000 KB Output is correct
23 Correct 711 ms 74936 KB Output is correct
24 Correct 728 ms 75064 KB Output is correct
25 Correct 716 ms 75000 KB Output is correct
26 Correct 726 ms 77560 KB Output is correct
27 Correct 739 ms 77432 KB Output is correct
28 Correct 714 ms 75000 KB Output is correct
29 Correct 722 ms 75128 KB Output is correct
30 Correct 734 ms 74932 KB Output is correct