Submission #585551

# Submission time Handle Problem Language Result Execution time Memory
585551 2022-06-29T05:02:26 Z SeDunion Wall (IOI14_wall) C++17
100 / 100
866 ms 69740 KB
#include "wall.h"
#include<iostream>

using namespace std;

const int N = 2e6 + 123;
const int inf = 1e9 + 123;

int n;

int fl[N << 2], fr[N << 2];

void build(int l = 0, int r = n, int v = 1) {
	fl[v] = 0, fr[v] = inf;
	if (r - l == 1) return;
	int m = (l + r) >> 1;
	build(l, m, v << 1);
	build(m, r, v<<1|1);
}

void make(int &al, int &ar, int bl, int br) {
	if (ar < bl) {
		al = bl, ar = bl;
	} else if (br < al) {
		al = br, ar = br;
	} else {
		al = max(al, bl);
		ar = min(ar, br);
	}
}

void push(int v, int l, int r) {
	if (r - l > 1) {
		make(fl[v << 1], fr[v << 1], fl[v], fr[v]);
		make(fl[v<<1|1], fr[v<<1|1], fl[v], fr[v]);
		fl[v] = 0, fr[v] = inf;
	}
}

void upd(int L, int R, int cl, int cr, int l = 0, int r = n, int v = 1) {
	push(v, l, r);
	if (L <= l && r <= R) {
		make(fl[v], fr[v], cl, cr);
		push(v, l, r);
		return;
	}
	if (L >= r || l >= R) return;
	int m = (l + r) >> 1;
	upd(L, R, cl, cr, l, m, v << 1);
	upd(L, R, cl, cr, m, r, v<<1|1);
}

int a[N];

void show(int l = 0, int r = n, int v = 1) {
	push(v, l, r);
	if (r - l == 1) {
		a[l] = fl[v];
		//cout << "[" << fl[v] << ", " << fr[v] << "] ";
		return;
	}
	int m = (l + r) >> 1;
	show(l, m, v << 1);
	show(m, r, v<<1|1);
}

void buildWall(int n_, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
	n = n_;
	build();
	for (int i = 0 ; i < k ; ++ i) {
		if (op[i] == 1) {
			upd(left[i], right[i] + 1, height[i], inf);
		} else {
			upd(left[i], right[i] + 1, 0, height[i]);
		}
	}
	show();
	for (int i = 0 ; i < n ; ++ i) {
		finalHeight[i] = a[i];
	}
}
# Verdict Execution time Memory Grader output
1 Correct 0 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 10 ms 696 KB Output is correct
5 Correct 7 ms 724 KB Output is correct
6 Correct 6 ms 724 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 133 ms 8216 KB Output is correct
3 Correct 178 ms 4268 KB Output is correct
4 Correct 535 ms 11108 KB Output is correct
5 Correct 312 ms 12876 KB Output is correct
6 Correct 306 ms 12864 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 284 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 6 ms 724 KB Output is correct
5 Correct 5 ms 724 KB Output is correct
6 Correct 5 ms 724 KB Output is correct
7 Correct 1 ms 292 KB Output is correct
8 Correct 134 ms 8124 KB Output is correct
9 Correct 172 ms 4268 KB Output is correct
10 Correct 480 ms 11168 KB Output is correct
11 Correct 303 ms 14564 KB Output is correct
12 Correct 350 ms 14632 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 129 ms 11028 KB Output is correct
15 Correct 33 ms 2052 KB Output is correct
16 Correct 708 ms 14432 KB Output is correct
17 Correct 296 ms 14312 KB Output is correct
18 Correct 357 ms 13708 KB Output is correct
# 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 724 KB Output is correct
5 Correct 5 ms 724 KB Output is correct
6 Correct 5 ms 724 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 121 ms 8116 KB Output is correct
9 Correct 182 ms 4264 KB Output is correct
10 Correct 532 ms 11184 KB Output is correct
11 Correct 308 ms 13844 KB Output is correct
12 Correct 319 ms 13792 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 134 ms 10960 KB Output is correct
15 Correct 38 ms 2008 KB Output is correct
16 Correct 627 ms 14288 KB Output is correct
17 Correct 307 ms 14176 KB Output is correct
18 Correct 355 ms 14160 KB Output is correct
19 Correct 838 ms 69740 KB Output is correct
20 Correct 844 ms 67164 KB Output is correct
21 Correct 849 ms 69708 KB Output is correct
22 Correct 764 ms 67228 KB Output is correct
23 Correct 789 ms 67228 KB Output is correct
24 Correct 763 ms 67104 KB Output is correct
25 Correct 866 ms 67108 KB Output is correct
26 Correct 848 ms 69444 KB Output is correct
27 Correct 839 ms 69444 KB Output is correct
28 Correct 796 ms 66864 KB Output is correct
29 Correct 842 ms 66804 KB Output is correct
30 Correct 784 ms 66396 KB Output is correct