oj.uz

답안 #919481

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
919481 2024-01-31T22:20:54 Z OAleksa Tourism (JOI23_tourism) C++14
100 / 100
 646 ms 26956 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define f first
#define s second
const int N = 1e5 + 69;
int n, m, q, c[N], ans[N], sz[N], top[N], pos[N], fenw[N];
int node, par[N], dep[N];
vector<int> g[N];
vector<pair<int, int>> qs[N];
set<tuple<int, int, int>> range;
void modify(int v, int val) {
	for (int i = v;i < N;i += (i & -i))
		fenw[i] += val;
}
int Get(int v) {
	int r = 0;
	for (int i = v;i > 0;i -= (i & -i))
		r += fenw[i];
	return r;
}
void dfs(int v, int p) {
	sz[v] = 1;
	par[v] = p;
	dep[v] = dep[p] + 1;
	for (auto u : g[v]) {
		if (u == p)
			continue;
		dfs(u, v);
		sz[v] += sz[u];
	}
}
void hld(int v, int p, int tp) {
	pos[v] = ++node;
	top[v] = tp;
	int s = -1, mx = 0;
	for (auto u : g[v]) {
		if (u == p)
			continue;
		if (sz[u] > mx) {
			mx = sz[u];
			s = u;
		}
	}
	if (s == -1)
		return;
	hld(s, v, tp);
	for (auto u : g[v]) {
		if (u == s || u == p)
			continue;
		hld(u, v, u);
	}
}
void Modify(int l, int r, int c) {
	if (l > r)
		swap(l, r);
	int x = l, y = r;
	while (l <= r) {
		auto u = range.upper_bound({l, N, N});
		--u;
		int levo, desno, clr;
		tie(levo, desno, clr) = *u;
		assert(l >= levo && l <= desno);
		int cnt = 0;
		range.erase(u);
		if (l > levo) 
			range.insert({levo, l - 1, clr});
		if (desno > r)
			range.insert({r + 1, desno, clr});
		cnt += min(desno, r) - l + 1;
		modify(clr, -cnt);
		modify(c, min(desno, r) - l + 1);
		l = desno + 1;
	}
	range.insert({x, y, c});
}
void Change(int a, int b, int c) {
	while (top[a] != top[b]) {
		if (dep[top[a]] < dep[top[b]])
			swap(a, b);
		Modify(pos[top[a]], pos[a], c);
		a = par[top[a]];
	}
	Modify(pos[b], pos[a], c);
}
signed main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int tt = 1;
  //cin >> tt;
  while (tt--) {
  	cin >> n >> m >> q;
  	for (int i = 1;i <= n - 1;i++) {
  		int a, b;
  		cin >> a >> b;
  		g[a].push_back(b);
  		g[b].push_back(a);
  	}
  	for (int i = 1;i <= m;i++ )
  		cin >> c[i];
  	for (int i = 1;i <= q;i++) {
  		int l, r;
  		cin >> l >> r;
  		qs[r].push_back({l, i});
  	}
  	dfs(1, 0);
  	hld(1, 1, 1);
  	range.insert({1, n, N});
  	for (int i = 1;i <= m;i++) {
  		if (i > 1) 
  			Change(c[i], c[i - 1], i - 1);
  		for (auto u : qs[i]) {
  			int l, ind;
  			tie(l, ind) = u;
  			if (l == i)
  				ans[ind] = 1;
  			else
  				ans[ind] = Get(N - 1) - Get(l - 1);
  		}
  	}
  	for (int i = 1;i <= q;i++)
  		cout << ans[i] << '\n';
	}
  return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10840 KB Output is correct
2 Correct 3 ms 10840 KB Output is correct
3 Correct 2 ms 10840 KB Output is correct
4 Correct 3 ms 10844 KB Output is correct
5 Correct 2 ms 10840 KB Output is correct
6 Correct 2 ms 10840 KB Output is correct
7 Correct 2 ms 10840 KB Output is correct
8 Correct 2 ms 10840 KB Output is correct
9 Correct 3 ms 10840 KB Output is correct
10 Correct 3 ms 10840 KB Output is correct
11 Correct 3 ms 10840 KB Output is correct
12 Correct 3 ms 11096 KB Output is correct
13 Correct 2 ms 10840 KB Output is correct
14 Correct 3 ms 10840 KB Output is correct
15 Correct 2 ms 10840 KB Output is correct
16 Correct 3 ms 10844 KB Output is correct
17 Correct 3 ms 10840 KB Output is correct
18 Correct 3 ms 10844 KB Output is correct
19 Correct 3 ms 10844 KB Output is correct
20 Correct 2 ms 10840 KB Output is correct
21 Correct 2 ms 10840 KB Output is correct
22 Correct 2 ms 10840 KB Output is correct
23 Correct 2 ms 10844 KB Output is correct
24 Correct 3 ms 10840 KB Output is correct
25 Correct 2 ms 10840 KB Output is correct
26 Correct 2 ms 10840 KB Output is correct
27 Correct 2 ms 10844 KB Output is correct
28 Correct 2 ms 10844 KB Output is correct
29 Correct 3 ms 10844 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10840 KB Output is correct
2 Correct 3 ms 10840 KB Output is correct
3 Correct 2 ms 10840 KB Output is correct
4 Correct 3 ms 10844 KB Output is correct
5 Correct 2 ms 10840 KB Output is correct
6 Correct 2 ms 10840 KB Output is correct
7 Correct 2 ms 10840 KB Output is correct
8 Correct 2 ms 10840 KB Output is correct
9 Correct 3 ms 10840 KB Output is correct
10 Correct 3 ms 10840 KB Output is correct
11 Correct 3 ms 10840 KB Output is correct
12 Correct 3 ms 11096 KB Output is correct
13 Correct 2 ms 10840 KB Output is correct
14 Correct 3 ms 10840 KB Output is correct
15 Correct 2 ms 10840 KB Output is correct
16 Correct 3 ms 10844 KB Output is correct
17 Correct 3 ms 10840 KB Output is correct
18 Correct 3 ms 10844 KB Output is correct
19 Correct 3 ms 10844 KB Output is correct
20 Correct 2 ms 10840 KB Output is correct
21 Correct 2 ms 10840 KB Output is correct
22 Correct 2 ms 10840 KB Output is correct
23 Correct 2 ms 10844 KB Output is correct
24 Correct 3 ms 10840 KB Output is correct
25 Correct 2 ms 10840 KB Output is correct
26 Correct 2 ms 10840 KB Output is correct
27 Correct 2 ms 10844 KB Output is correct
28 Correct 2 ms 10844 KB Output is correct
29 Correct 3 ms 10844 KB Output is correct
30 Correct 5 ms 10844 KB Output is correct
31 Correct 6 ms 10844 KB Output is correct
32 Correct 6 ms 11100 KB Output is correct
33 Correct 6 ms 11096 KB Output is correct
34 Correct 6 ms 11100 KB Output is correct
35 Correct 7 ms 11100 KB Output is correct
36 Correct 6 ms 11352 KB Output is correct
37 Correct 6 ms 10968 KB Output is correct
38 Correct 4 ms 11096 KB Output is correct
39 Correct 4 ms 11100 KB Output is correct
40 Correct 4 ms 11104 KB Output is correct
41 Correct 4 ms 11112 KB Output is correct
42 Correct 4 ms 11112 KB Output is correct
43 Correct 5 ms 11100 KB Output is correct
44 Correct 4 ms 10844 KB Output is correct
45 Correct 5 ms 10840 KB Output is correct
46 Correct 5 ms 10840 KB Output is correct
47 Correct 4 ms 10840 KB Output is correct
48 Correct 5 ms 10960 KB Output is correct
49 Correct 6 ms 10840 KB Output is correct
50 Correct 6 ms 11096 KB Output is correct
51 Correct 5 ms 11100 KB Output is correct
52 Correct 5 ms 11096 KB Output is correct
53 Correct 5 ms 11096 KB Output is correct
54 Correct 6 ms 11096 KB Output is correct
55 Correct 5 ms 11096 KB Output is correct
56 Correct 3 ms 10840 KB Output is correct
57 Correct 4 ms 10840 KB Output is correct
58 Correct 6 ms 11096 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10844 KB Output is correct
2 Correct 4 ms 10840 KB Output is correct
3 Correct 3 ms 10844 KB Output is correct
4 Correct 77 ms 18944 KB Output is correct
5 Correct 63 ms 22616 KB Output is correct
6 Correct 78 ms 23868 KB Output is correct
7 Correct 91 ms 26740 KB Output is correct
8 Correct 101 ms 26752 KB Output is correct
9 Correct 99 ms 26956 KB Output is correct
10 Correct 102 ms 26708 KB Output is correct
11 Correct 108 ms 26760 KB Output is correct
12 Correct 85 ms 26796 KB Output is correct
13 Correct 87 ms 26708 KB Output is correct
14 Correct 94 ms 26616 KB Output is correct
15 Correct 40 ms 23488 KB Output is correct
16 Correct 92 ms 26348 KB Output is correct
17 Correct 38 ms 15508 KB Output is correct

Subtask #4
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10840 KB Output is correct
2 Correct 172 ms 15444 KB Output is correct
3 Correct 293 ms 16212 KB Output is correct
4 Correct 257 ms 16464 KB Output is correct
5 Correct 423 ms 19284 KB Output is correct
6 Correct 366 ms 19280 KB Output is correct
7 Correct 406 ms 19152 KB Output is correct
8 Correct 346 ms 19296 KB Output is correct
9 Correct 347 ms 19368 KB Output is correct
10 Correct 344 ms 19360 KB Output is correct
11 Correct 350 ms 19616 KB Output is correct
12 Correct 368 ms 19280 KB Output is correct
13 Correct 353 ms 19544 KB Output is correct
14 Correct 360 ms 20176 KB Output is correct
15 Correct 382 ms 22668 KB Output is correct
16 Correct 348 ms 19536 KB Output is correct
17 Correct 384 ms 19684 KB Output is correct
18 Correct 365 ms 19848 KB Output is correct
19 Correct 207 ms 14928 KB Output is correct
20 Correct 206 ms 16656 KB Output is correct
21 Correct 219 ms 16648 KB Output is correct
22 Correct 207 ms 16464 KB Output is correct
23 Correct 201 ms 16464 KB Output is correct
24 Correct 207 ms 16464 KB Output is correct
25 Correct 206 ms 16616 KB Output is correct
26 Correct 206 ms 16464 KB Output is correct
27 Correct 215 ms 16696 KB Output is correct
28 Correct 214 ms 16560 KB Output is correct
29 Correct 225 ms 16720 KB Output is correct
30 Correct 215 ms 16900 KB Output is correct
31 Correct 228 ms 17356 KB Output is correct
32 Correct 220 ms 17736 KB Output is correct
33 Correct 234 ms 18788 KB Output is correct
34 Correct 234 ms 21072 KB Output is correct

Subtask #5
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10844 KB Output is correct
2 Correct 2 ms 10848 KB Output is correct
3 Correct 4 ms 10840 KB Output is correct
4 Correct 473 ms 19280 KB Output is correct
5 Correct 456 ms 19372 KB Output is correct
6 Correct 562 ms 21864 KB Output is correct
7 Correct 567 ms 23116 KB Output is correct
8 Correct 603 ms 23172 KB Output is correct
9 Correct 634 ms 23120 KB Output is correct
10 Correct 646 ms 23052 KB Output is correct
11 Correct 645 ms 23168 KB Output is correct
12 Correct 579 ms 23256 KB Output is correct
13 Correct 564 ms 23200 KB Output is correct
14 Correct 35 ms 14028 KB Output is correct

Subtask #6
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10840 KB Output is correct
2 Correct 3 ms 10840 KB Output is correct
3 Correct 2 ms 10840 KB Output is correct
4 Correct 3 ms 10844 KB Output is correct
5 Correct 2 ms 10840 KB Output is correct
6 Correct 2 ms 10840 KB Output is correct
7 Correct 2 ms 10840 KB Output is correct
8 Correct 2 ms 10840 KB Output is correct
9 Correct 3 ms 10840 KB Output is correct
10 Correct 3 ms 10840 KB Output is correct
11 Correct 3 ms 10840 KB Output is correct
12 Correct 3 ms 11096 KB Output is correct
13 Correct 2 ms 10840 KB Output is correct
14 Correct 3 ms 10840 KB Output is correct
15 Correct 2 ms 10840 KB Output is correct
16 Correct 3 ms 10844 KB Output is correct
17 Correct 3 ms 10840 KB Output is correct
18 Correct 3 ms 10844 KB Output is correct
19 Correct 3 ms 10844 KB Output is correct
20 Correct 2 ms 10840 KB Output is correct
21 Correct 2 ms 10840 KB Output is correct
22 Correct 2 ms 10840 KB Output is correct
23 Correct 2 ms 10844 KB Output is correct
24 Correct 3 ms 10840 KB Output is correct
25 Correct 2 ms 10840 KB Output is correct
26 Correct 2 ms 10840 KB Output is correct
27 Correct 2 ms 10844 KB Output is correct
28 Correct 2 ms 10844 KB Output is correct
29 Correct 3 ms 10844 KB Output is correct
30 Correct 5 ms 10844 KB Output is correct
31 Correct 6 ms 10844 KB Output is correct
32 Correct 6 ms 11100 KB Output is correct
33 Correct 6 ms 11096 KB Output is correct
34 Correct 6 ms 11100 KB Output is correct
35 Correct 7 ms 11100 KB Output is correct
36 Correct 6 ms 11352 KB Output is correct
37 Correct 6 ms 10968 KB Output is correct
38 Correct 4 ms 11096 KB Output is correct
39 Correct 4 ms 11100 KB Output is correct
40 Correct 4 ms 11104 KB Output is correct
41 Correct 4 ms 11112 KB Output is correct
42 Correct 4 ms 11112 KB Output is correct
43 Correct 5 ms 11100 KB Output is correct
44 Correct 4 ms 10844 KB Output is correct
45 Correct 5 ms 10840 KB Output is correct
46 Correct 5 ms 10840 KB Output is correct
47 Correct 4 ms 10840 KB Output is correct
48 Correct 5 ms 10960 KB Output is correct
49 Correct 6 ms 10840 KB Output is correct
50 Correct 6 ms 11096 KB Output is correct
51 Correct 5 ms 11100 KB Output is correct
52 Correct 5 ms 11096 KB Output is correct
53 Correct 5 ms 11096 KB Output is correct
54 Correct 6 ms 11096 KB Output is correct
55 Correct 5 ms 11096 KB Output is correct
56 Correct 3 ms 10840 KB Output is correct
57 Correct 4 ms 10840 KB Output is correct
58 Correct 6 ms 11096 KB Output is correct
59 Correct 2 ms 10844 KB Output is correct
60 Correct 4 ms 10840 KB Output is correct
61 Correct 3 ms 10844 KB Output is correct
62 Correct 77 ms 18944 KB Output is correct
63 Correct 63 ms 22616 KB Output is correct
64 Correct 78 ms 23868 KB Output is correct
65 Correct 91 ms 26740 KB Output is correct
66 Correct 101 ms 26752 KB Output is correct
67 Correct 99 ms 26956 KB Output is correct
68 Correct 102 ms 26708 KB Output is correct
69 Correct 108 ms 26760 KB Output is correct
70 Correct 85 ms 26796 KB Output is correct
71 Correct 87 ms 26708 KB Output is correct
72 Correct 94 ms 26616 KB Output is correct
73 Correct 40 ms 23488 KB Output is correct
74 Correct 92 ms 26348 KB Output is correct
75 Correct 38 ms 15508 KB Output is correct
76 Correct 2 ms 10840 KB Output is correct
77 Correct 172 ms 15444 KB Output is correct
78 Correct 293 ms 16212 KB Output is correct
79 Correct 257 ms 16464 KB Output is correct
80 Correct 423 ms 19284 KB Output is correct
81 Correct 366 ms 19280 KB Output is correct
82 Correct 406 ms 19152 KB Output is correct
83 Correct 346 ms 19296 KB Output is correct
84 Correct 347 ms 19368 KB Output is correct
85 Correct 344 ms 19360 KB Output is correct
86 Correct 350 ms 19616 KB Output is correct
87 Correct 368 ms 19280 KB Output is correct
88 Correct 353 ms 19544 KB Output is correct
89 Correct 360 ms 20176 KB Output is correct
90 Correct 382 ms 22668 KB Output is correct
91 Correct 348 ms 19536 KB Output is correct
92 Correct 384 ms 19684 KB Output is correct
93 Correct 365 ms 19848 KB Output is correct
94 Correct 207 ms 14928 KB Output is correct
95 Correct 206 ms 16656 KB Output is correct
96 Correct 219 ms 16648 KB Output is correct
97 Correct 207 ms 16464 KB Output is correct
98 Correct 201 ms 16464 KB Output is correct
99 Correct 207 ms 16464 KB Output is correct
100 Correct 206 ms 16616 KB Output is correct
101 Correct 206 ms 16464 KB Output is correct
102 Correct 215 ms 16696 KB Output is correct
103 Correct 214 ms 16560 KB Output is correct
104 Correct 225 ms 16720 KB Output is correct
105 Correct 215 ms 16900 KB Output is correct
106 Correct 228 ms 17356 KB Output is correct
107 Correct 220 ms 17736 KB Output is correct
108 Correct 234 ms 18788 KB Output is correct
109 Correct 234 ms 21072 KB Output is correct
110 Correct 2 ms 10844 KB Output is correct
111 Correct 2 ms 10848 KB Output is correct
112 Correct 4 ms 10840 KB Output is correct
113 Correct 473 ms 19280 KB Output is correct
114 Correct 456 ms 19372 KB Output is correct
115 Correct 562 ms 21864 KB Output is correct
116 Correct 567 ms 23116 KB Output is correct
117 Correct 603 ms 23172 KB Output is correct
118 Correct 634 ms 23120 KB Output is correct
119 Correct 646 ms 23052 KB Output is correct
120 Correct 645 ms 23168 KB Output is correct
121 Correct 579 ms 23256 KB Output is correct
122 Correct 564 ms 23200 KB Output is correct
123 Correct 35 ms 14028 KB Output is correct
124 Correct 345 ms 24912 KB Output is correct
125 Correct 254 ms 22324 KB Output is correct
126 Correct 392 ms 25680 KB Output is correct
127 Correct 399 ms 25424 KB Output is correct
128 Correct 402 ms 25424 KB Output is correct
129 Correct 403 ms 25440 KB Output is correct
130 Correct 386 ms 25844 KB Output is correct
131 Correct 103 ms 25936 KB Output is correct
132 Correct 103 ms 26708 KB Output is correct
133 Correct 110 ms 23724 KB Output is correct
134 Correct 243 ms 21228 KB Output is correct
135 Correct 243 ms 20976 KB Output is correct
136 Correct 246 ms 21076 KB Output is correct
137 Correct 166 ms 26736 KB Output is correct
138 Correct 154 ms 26700 KB Output is correct
139 Correct 154 ms 26588 KB Output is correct
140 Correct 165 ms 26564 KB Output is correct
141 Correct 158 ms 26812 KB Output is correct
142 Correct 165 ms 26804 KB Output is correct
143 Correct 47 ms 17856 KB Output is correct
144 Correct 399 ms 24964 KB Output is correct