답안 #553634

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
553634 2022-04-26T12:39:09 Z keta_tsimakuridze 벽 (IOI14_wall) C++14
100 / 100
993 ms 99392 KB
#include <bits/stdc++.h>
#include "wall.h"
using namespace std;
const int N = 2e6 + 5, inf = 1e9;
struct node{
	int l, r;
} lazy[4 * N];
void down(node &a, node b) {
	if(a.l >= b.r) {
		a = {b.r, b.r};
		return;
	}
	if(a.r <= b.l) {
		a = {b.l, b.l};
		return;
	}
	a.l = max(a.l, b.l); a.r = min(a.r, b.r);
	assert(a.l <= a.r);
}
void push(int u, int l,int r) {
	if(lazy[u].l == 0 && lazy[u].r == inf) return;
	if(l == r) return; 
	down(lazy[2 * u], lazy[u]);
	down(lazy[2 * u + 1], lazy[u]);
	lazy[u] = {0, inf};
}
void upd(int u, int st, int en, int l,int r, int v, int t) {
	push(u, l, r);
	if(l > en || r < st) return;
	if(st <= l && r <= en) { 
		if(l == r) {
			if(!t) {
				lazy[u].l = max(lazy[u].l, v);
				lazy[u].r = max(lazy[u].r, v);
			}
			else {
				lazy[u].l = min(lazy[u].l, v);
				lazy[u].r = min(lazy[u].r, v);				
			} 
			return;
		}
		if(!t) lazy[u].l = v;
		else lazy[u].r = v;
		push(u, l, r);
		return;
	}
	int mid = (l + r) >> 1;
	upd(2 * u, st, en, l, mid, v, t); 
	upd(2 * u + 1,st, en, mid + 1, r, v,t);
}
int get(int u,int ind, int l,int r){
	push(u, l, r);
	if(l == r) return lazy[u].l;
	int mid = (l + r) / 2;
	if(ind <= mid) return get(2 * u, ind, l, mid);
	else return get(2 * u + 1, ind, mid + 1, r);
}
void buildWall(int n, int k, int op[], int l[], int r[], int h[], int ih[]){
  
  for(int i = 1; i <= 4 * n; i++) lazy[i] = {0, inf};
  --n;
  for(int i = 0; i < k; i++) {
  	upd(1, l[i], r[i], 0, n, h[i], --op[i]);
  }
 
  for(int i = 0; i <= n; i++) {
  	ih[i] = get(1, i, 0, n);
  }
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 9 ms 852 KB Output is correct
5 Correct 5 ms 836 KB Output is correct
6 Correct 6 ms 832 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 140 ms 13904 KB Output is correct
3 Correct 233 ms 7936 KB Output is correct
4 Correct 556 ms 21392 KB Output is correct
5 Correct 295 ms 22472 KB Output is correct
6 Correct 297 ms 21020 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 444 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 9 ms 816 KB Output is correct
5 Correct 6 ms 852 KB Output is correct
6 Correct 5 ms 852 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 142 ms 13880 KB Output is correct
9 Correct 200 ms 8012 KB Output is correct
10 Correct 611 ms 21488 KB Output is correct
11 Correct 284 ms 22504 KB Output is correct
12 Correct 324 ms 20936 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 141 ms 13856 KB Output is correct
15 Correct 40 ms 2024 KB Output is correct
16 Correct 763 ms 21776 KB Output is correct
17 Correct 292 ms 21084 KB Output is correct
18 Correct 294 ms 21100 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 3 ms 340 KB Output is correct
4 Correct 9 ms 824 KB Output is correct
5 Correct 6 ms 768 KB Output is correct
6 Correct 6 ms 852 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 143 ms 13932 KB Output is correct
9 Correct 220 ms 8092 KB Output is correct
10 Correct 584 ms 21416 KB Output is correct
11 Correct 294 ms 22528 KB Output is correct
12 Correct 330 ms 20932 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 134 ms 13900 KB Output is correct
15 Correct 50 ms 2036 KB Output is correct
16 Correct 753 ms 21708 KB Output is correct
17 Correct 292 ms 21216 KB Output is correct
18 Correct 330 ms 21188 KB Output is correct
19 Correct 939 ms 99320 KB Output is correct
20 Correct 962 ms 96712 KB Output is correct
21 Correct 957 ms 99240 KB Output is correct
22 Correct 935 ms 96800 KB Output is correct
23 Correct 993 ms 96712 KB Output is correct
24 Correct 933 ms 96760 KB Output is correct
25 Correct 964 ms 96800 KB Output is correct
26 Correct 945 ms 99392 KB Output is correct
27 Correct 963 ms 99228 KB Output is correct
28 Correct 974 ms 96776 KB Output is correct
29 Correct 978 ms 96724 KB Output is correct
30 Correct 942 ms 96696 KB Output is correct