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답안 #880680

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
880680 2023-11-29T20:27:22 Z Youssif_Elkadi Osumnjičeni (COCI21_osumnjiceni) C++17
110 / 110
 878 ms 63188 KB 
#include <bits/stdc++.h>
using namespace std;
const long long N = 2e5 + 5, mod = 1e9 + 7, inf = 1e9 + 5;
int tree[N * 8], lazy[N * 8];
int n;
int cor = 0;
void prob(int l, int r, int node)
{
	tree[node] = min(tree[node], lazy[node]);
	if (l != r)
		lazy[node * 2] = min(lazy[node * 2], lazy[node]), lazy[node * 2 + 1] = min(lazy[node * 2 + 1], lazy[node]);
}
void update(int lq, int rq, int val, int l = 1, int r = cor, int node = 1)
{
	prob(l, r, node);
	if (lq <= l && r <= rq)
	{
		lazy[node] = min(val, lazy[node]);
		prob(l, r, node);
		return;
	}
	if (r < lq || l > rq)
		return;
	int mid = (l + r) / 2;
	update(lq, rq, val, l, mid, node * 2), update(lq, rq, val, mid + 1, r, node * 2 + 1);
	tree[node] = min(tree[node * 2], tree[node * 2 + 1]);
}
int query(int lq, int rq, int l = 1, int r = cor, int node = 1)
{
	prob(l, r, node);
	if (lq <= l && r <= rq)
		return tree[node];
	if (r < lq || l > rq)
		return inf;
	int mid = (l + r) / 2;
	return min(query(lq, rq, l, mid, node * 2), query(lq, rq, mid + 1, r, node * 2 + 1));
}
map<int, int> mp;
int main()
{
	ios_base::sync_with_stdio(0), cin.tie(NULL), cout.tie(NULL);
	//freopen("input.txt", "r", stdin);
	//freopen("output.txt", "w", stdout);
	memset(lazy, '?', sizeof lazy);
	memset(tree, '?', sizeof tree);
	cin >> n;
	vector<pair<int, int>> arr(n + 1);
	for (int i = 1; i <= n; i++)
		cin >> arr[i].first >> arr[i].second, mp[arr[i].first] = 1, mp[arr[i].second] = 1;
	for (auto &v : mp)
		v.second = ++cor;
	for (int i = 1; i <= n; i++)
		arr[i].first = mp[arr[i].first], arr[i].second = mp[arr[i].second];
	vector<vector<int>> par(n + 2, vector<int>(22, n + 1));
	for (int i = n; i >= 1; i--)
	{
		par[i][0] = par[i + 1][0];
		par[i][0] = min(query(arr[i].first, arr[i].second), par[i][0]);
		update(arr[i].first, arr[i].second, i);
	}
	for (int j = 1; j <= 21; j++)
		for (int i = 1; i <= n; i++)
			par[i][j] = par[par[i][j - 1]][j - 1];
	int q; // code pls unhate me
	cin >> q;
	while (q--)
	{
		int l, r;
		cin >> l >> r; // zengy
		int ans = 1;
		for (int i = 21; i >= 0; i--)
			if (par[l][i] <= r)
				l = par[l][i], ans += (1 << i);
		// aaa the num of teleports is 2^i? YES
		cout << ans << "\n";
	}
}
/*
3
1
3
*/

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 554 ms 58488 KB Output is correct
2 Correct 591 ms 57792 KB Output is correct
3 Correct 592 ms 57736 KB Output is correct
4 Correct 586 ms 58532 KB Output is correct
5 Correct 718 ms 60652 KB Output is correct
6 Correct 69 ms 38992 KB Output is correct
7 Correct 87 ms 39764 KB Output is correct
8 Correct 83 ms 39764 KB Output is correct
9 Correct 90 ms 40328 KB Output is correct
10 Correct 94 ms 39524 KB Output is correct
11 Correct 441 ms 59036 KB Output is correct
12 Correct 362 ms 56232 KB Output is correct
13 Correct 386 ms 55860 KB Output is correct
14 Correct 393 ms 58960 KB Output is correct
15 Correct 389 ms 57632 KB Output is correct
16 Correct 2 ms 12892 KB Output is correct
17 Correct 85 ms 40728 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 14172 KB Output is correct
2 Correct 11 ms 13916 KB Output is correct
3 Correct 14 ms 14136 KB Output is correct
4 Correct 11 ms 14172 KB Output is correct
5 Correct 10 ms 14128 KB Output is correct
6 Correct 5 ms 13656 KB Output is correct
7 Correct 5 ms 13712 KB Output is correct
8 Correct 5 ms 13660 KB Output is correct
9 Correct 6 ms 13660 KB Output is correct
10 Correct 5 ms 13656 KB Output is correct
11 Correct 9 ms 14172 KB Output is correct
12 Correct 8 ms 13916 KB Output is correct
13 Correct 8 ms 13916 KB Output is correct
14 Correct 9 ms 14172 KB Output is correct
15 Correct 9 ms 14016 KB Output is correct
16 Correct 2 ms 12892 KB Output is correct
17 Correct 4 ms 13656 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 14172 KB Output is correct
2 Correct 11 ms 13916 KB Output is correct
3 Correct 14 ms 14136 KB Output is correct
4 Correct 11 ms 14172 KB Output is correct
5 Correct 10 ms 14128 KB Output is correct
6 Correct 5 ms 13656 KB Output is correct
7 Correct 5 ms 13712 KB Output is correct
8 Correct 5 ms 13660 KB Output is correct
9 Correct 6 ms 13660 KB Output is correct
10 Correct 5 ms 13656 KB Output is correct
11 Correct 9 ms 14172 KB Output is correct
12 Correct 8 ms 13916 KB Output is correct
13 Correct 8 ms 13916 KB Output is correct
14 Correct 9 ms 14172 KB Output is correct
15 Correct 9 ms 14016 KB Output is correct
16 Correct 2 ms 12892 KB Output is correct
17 Correct 4 ms 13656 KB Output is correct
18 Correct 84 ms 16664 KB Output is correct
19 Correct 63 ms 16468 KB Output is correct
20 Correct 71 ms 16860 KB Output is correct
21 Correct 64 ms 16464 KB Output is correct
22 Correct 67 ms 16468 KB Output is correct
23 Correct 61 ms 16116 KB Output is correct
24 Correct 65 ms 16212 KB Output is correct
25 Correct 62 ms 16208 KB Output is correct
26 Correct 64 ms 16208 KB Output is correct
27 Correct 56 ms 15940 KB Output is correct
28 Correct 41 ms 16096 KB Output is correct
29 Correct 45 ms 16028 KB Output is correct
30 Correct 44 ms 16212 KB Output is correct
31 Correct 43 ms 15940 KB Output is correct
32 Correct 45 ms 16232 KB Output is correct
33 Correct 2 ms 12888 KB Output is correct
34 Correct 44 ms 16040 KB Output is correct

Subtask #4
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 616 ms 60496 KB Output is correct
2 Correct 605 ms 59668 KB Output is correct
3 Correct 548 ms 56496 KB Output is correct
4 Correct 498 ms 55892 KB Output is correct
5 Correct 615 ms 57500 KB Output is correct
6 Correct 70 ms 39248 KB Output is correct
7 Correct 79 ms 38996 KB Output is correct
8 Correct 80 ms 39248 KB Output is correct
9 Correct 84 ms 39092 KB Output is correct
10 Correct 100 ms 41296 KB Output is correct
11 Correct 399 ms 55640 KB Output is correct
12 Correct 428 ms 60288 KB Output is correct
13 Correct 353 ms 55572 KB Output is correct
14 Correct 448 ms 57120 KB Output is correct
15 Correct 410 ms 59772 KB Output is correct
16 Correct 2 ms 13144 KB Output is correct
17 Correct 68 ms 39636 KB Output is correct

Subtask #5
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 554 ms 58488 KB Output is correct
2 Correct 591 ms 57792 KB Output is correct
3 Correct 592 ms 57736 KB Output is correct
4 Correct 586 ms 58532 KB Output is correct
5 Correct 718 ms 60652 KB Output is correct
6 Correct 69 ms 38992 KB Output is correct
7 Correct 87 ms 39764 KB Output is correct
8 Correct 83 ms 39764 KB Output is correct
9 Correct 90 ms 40328 KB Output is correct
10 Correct 94 ms 39524 KB Output is correct
11 Correct 441 ms 59036 KB Output is correct
12 Correct 362 ms 56232 KB Output is correct
13 Correct 386 ms 55860 KB Output is correct
14 Correct 393 ms 58960 KB Output is correct
15 Correct 389 ms 57632 KB Output is correct
16 Correct 2 ms 12892 KB Output is correct
17 Correct 85 ms 40728 KB Output is correct
18 Correct 11 ms 14172 KB Output is correct
19 Correct 11 ms 13916 KB Output is correct
20 Correct 14 ms 14136 KB Output is correct
21 Correct 11 ms 14172 KB Output is correct
22 Correct 10 ms 14128 KB Output is correct
23 Correct 5 ms 13656 KB Output is correct
24 Correct 5 ms 13712 KB Output is correct
25 Correct 5 ms 13660 KB Output is correct
26 Correct 6 ms 13660 KB Output is correct
27 Correct 5 ms 13656 KB Output is correct
28 Correct 9 ms 14172 KB Output is correct
29 Correct 8 ms 13916 KB Output is correct
30 Correct 8 ms 13916 KB Output is correct
31 Correct 9 ms 14172 KB Output is correct
32 Correct 9 ms 14016 KB Output is correct
33 Correct 2 ms 12892 KB Output is correct
34 Correct 4 ms 13656 KB Output is correct
35 Correct 84 ms 16664 KB Output is correct
36 Correct 63 ms 16468 KB Output is correct
37 Correct 71 ms 16860 KB Output is correct
38 Correct 64 ms 16464 KB Output is correct
39 Correct 67 ms 16468 KB Output is correct
40 Correct 61 ms 16116 KB Output is correct
41 Correct 65 ms 16212 KB Output is correct
42 Correct 62 ms 16208 KB Output is correct
43 Correct 64 ms 16208 KB Output is correct
44 Correct 56 ms 15940 KB Output is correct
45 Correct 41 ms 16096 KB Output is correct
46 Correct 45 ms 16028 KB Output is correct
47 Correct 44 ms 16212 KB Output is correct
48 Correct 43 ms 15940 KB Output is correct
49 Correct 45 ms 16232 KB Output is correct
50 Correct 2 ms 12888 KB Output is correct
51 Correct 44 ms 16040 KB Output is correct
52 Correct 616 ms 60496 KB Output is correct
53 Correct 605 ms 59668 KB Output is correct
54 Correct 548 ms 56496 KB Output is correct
55 Correct 498 ms 55892 KB Output is correct
56 Correct 615 ms 57500 KB Output is correct
57 Correct 70 ms 39248 KB Output is correct
58 Correct 79 ms 38996 KB Output is correct
59 Correct 80 ms 39248 KB Output is correct
60 Correct 84 ms 39092 KB Output is correct
61 Correct 100 ms 41296 KB Output is correct
62 Correct 399 ms 55640 KB Output is correct
63 Correct 428 ms 60288 KB Output is correct
64 Correct 353 ms 55572 KB Output is correct
65 Correct 448 ms 57120 KB Output is correct
66 Correct 410 ms 59772 KB Output is correct
67 Correct 2 ms 13144 KB Output is correct
68 Correct 68 ms 39636 KB Output is correct
69 Correct 759 ms 60704 KB Output is correct
70 Correct 800 ms 63188 KB Output is correct
71 Correct 701 ms 59376 KB Output is correct
72 Correct 878 ms 61772 KB Output is correct
73 Correct 764 ms 61224 KB Output is correct
74 Correct 299 ms 45096 KB Output is correct
75 Correct 325 ms 42808 KB Output is correct
76 Correct 274 ms 45168 KB Output is correct
77 Correct 246 ms 42580 KB Output is correct
78 Correct 252 ms 43196 KB Output is correct
79 Correct 465 ms 62544 KB Output is correct
80 Correct 442 ms 58940 KB Output is correct
81 Correct 403 ms 58460 KB Output is correct
82 Correct 494 ms 61264 KB Output is correct
83 Correct 433 ms 58960 KB Output is correct
84 Correct 2 ms 12892 KB Output is correct
85 Correct 134 ms 42824 KB Output is correct