oj.uz

답안 #551752

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
551752 2022-04-21T12:19:35 Z nonsensenonsense1 Sprinkler (JOI22_sprinkler) C++17
41 / 100
 4000 ms 83812 KB 
#pragma GCC optimize("O3,unroll-loops")
#include <cstdio>
#include <vector>

int md;
inline int mul(int a, int b) {
	return (long long)a * b % md;
}

const int N = 200000;
const int LG = 19;
const int K = 500;
std::vector<int> g[N], list[N], t[N];
int q, n, dep[N], pr[N], pos[N], h[N], start[N], out[N], amt, st[LG][N * 2];

void dfs(int v) {
	static int dt = 0;
	++dt;
	pos[v] = list[dep[v]].size();
	list[dep[v]].push_back(v);
	start[v] = amt;
	st[0][amt++] = dep[v];
	for (int i = 0; i < (int)g[v].size(); ++i) if (g[v][i] != pr[v]) {
		if (i) st[0][amt++] = dep[v];
		pr[g[v][i]] = v;
		dep[g[v][i]] = dep[v] + 1;
		dfs(g[v][i]);
	}
	out[v] = dt;
}

int l;
int dlca(int u, int v) {
	u = start[u];
	v = start[v];
	if (u > v) std::swap(u, v);
	++v;
	l = 31 - __builtin_clz(v - u);
	return std::min(st[l][u], st[l][v - (1 << l)]);
}

int f(int u, int v) {
	return dep[u] + dep[v] - 2 * dlca(u, v);
}

void update(std::vector<int> &t, int l, int r, int x) {
	if (!x) {
		for (l += t.size() >> 1, r += t.size() >> 1; l < r; l >>= 1, r >>= 1) {
			if (l & 1) t[l++] = 0;
			if (r & 1) t[--r] = 0;
		}
		return;
	}
	for (l += t.size() >> 1, r += t.size() >> 1; l < r; l >>= 1, r >>= 1) {
		if (l & 1) {
			t[l] = mul(t[l], x);
			++l;
		}
		if (r & 1) {
			--r;
			t[r] = mul(t[r], x);
		}
	}
}

int get(std::vector<int> &t, int i) {
	int res = 1;
	for (i += t.size() >> 1; i > 0; i >>= 1) res = mul(res, t[i]);
	return res;
}

int main() {
	scanf("%d%d", &n, &md);
	for (int i = 1; i < n; ++i) {
		int a, b;
		scanf("%d%d", &a, &b);
		g[a - 1].push_back(b - 1);
		g[b - 1].push_back(a - 1);
	}
	dfs(0);
	for (int j = 1; j < LG; ++j) for (int i = 0; i + (1 << j) <= 2 * n; ++i) st[j][i] = std::min(st[j - 1][i], st[j - 1][i + (1 << j - 1)]);
	for (int i = 0; i < n; ++i) scanf("%d", h + i);
	for (int i = 0; i < n; ++i) t[i].resize(list[i].size() << 1, 1);
	scanf("%d", &q);
	while (q--) {
		int type, v;
		scanf("%d%d", &type, &v);
		--v;
		if (type == 1) {
			int dist, x;
			scanf("%d%d", &dist, &x);
			for (int i = dep[v] + dist; i >= std::max(0, dep[v] - dist); --i) {
				int l = 0, r = list[i].size();
				while (l < r) {
					int m = l + r >> 1;
					if (out[list[i][m]] >= out[v] || f(v, list[i][m]) <= dist) r = m;
					else l = m + 1;
				}
				int fi = r;
				l = r, r = list[i].size();
				while (l < r) {
					int m = l + r >> 1;
					if (out[list[i][m]] >= out[v] && f(v, list[i][m]) > dist) r = m;
					else l = m + 1;
				}
				update(t[i], fi, r, x);
			}
		} else printf("%d\n", mul(h[v], get(t[dep[v]], pos[v])));
	}
	return 0;
}

Compilation message

sprinkler.cpp: In function 'int main()':
sprinkler.cpp:81:131: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   81 |  for (int j = 1; j < LG; ++j) for (int i = 0; i + (1 << j) <= 2 * n; ++i) st[j][i] = std::min(st[j - 1][i], st[j - 1][i + (1 << j - 1)]);
      |                                                                                                                                 ~~^~~
sprinkler.cpp:95:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   95 |      int m = l + r >> 1;
      |              ~~^~~
sprinkler.cpp:102:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  102 |      int m = l + r >> 1;
      |              ~~^~~
sprinkler.cpp:73:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   73 |  scanf("%d%d", &n, &md);
      |  ~~~~~^~~~~~~~~~~~~~~~~
sprinkler.cpp:76:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   76 |   scanf("%d%d", &a, &b);
      |   ~~~~~^~~~~~~~~~~~~~~~
sprinkler.cpp:82:35: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   82 |  for (int i = 0; i < n; ++i) scanf("%d", h + i);
      |                              ~~~~~^~~~~~~~~~~~~
sprinkler.cpp:84:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   84 |  scanf("%d", &q);
      |  ~~~~~^~~~~~~~~~
sprinkler.cpp:87:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   87 |   scanf("%d%d", &type, &v);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~
sprinkler.cpp:91:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   91 |    scanf("%d%d", &dist, &x);
      |    ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14420 KB Output is correct
2 Correct 11 ms 14444 KB Output is correct
3 Correct 9 ms 14416 KB Output is correct
4 Correct 11 ms 14676 KB Output is correct
5 Correct 11 ms 14548 KB Output is correct
6 Correct 10 ms 14548 KB Output is correct
7 Correct 9 ms 14548 KB Output is correct
8 Correct 11 ms 14664 KB Output is correct
9 Correct 8 ms 14444 KB Output is correct
10 Correct 8 ms 14420 KB Output is correct
11 Correct 9 ms 14420 KB Output is correct
12 Correct 8 ms 14420 KB Output is correct
13 Correct 8 ms 14420 KB Output is correct
14 Correct 8 ms 14420 KB Output is correct
15 Correct 9 ms 14420 KB Output is correct
16 Correct 9 ms 14348 KB Output is correct
17 Correct 11 ms 14360 KB Output is correct
18 Correct 9 ms 14420 KB Output is correct
19 Correct 8 ms 14420 KB Output is correct
20 Correct 8 ms 14420 KB Output is correct
21 Correct 8 ms 14420 KB Output is correct
22 Correct 8 ms 14420 KB Output is correct
23 Correct 8 ms 14420 KB Output is correct
24 Correct 9 ms 14420 KB Output is correct
25 Correct 8 ms 14420 KB Output is correct
26 Correct 9 ms 14336 KB Output is correct
27 Correct 8 ms 14420 KB Output is correct
28 Correct 9 ms 14420 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 14420 KB Output is correct
2 Correct 441 ms 59320 KB Output is correct
3 Correct 970 ms 56120 KB Output is correct
4 Correct 514 ms 72988 KB Output is correct
5 Correct 646 ms 57700 KB Output is correct
6 Correct 809 ms 57552 KB Output is correct
7 Correct 818 ms 57732 KB Output is correct
8 Correct 604 ms 58260 KB Output is correct
9 Correct 466 ms 83812 KB Output is correct
10 Correct 594 ms 78204 KB Output is correct
11 Correct 440 ms 59192 KB Output is correct
12 Correct 1022 ms 56024 KB Output is correct
13 Correct 495 ms 57300 KB Output is correct
14 Correct 584 ms 56544 KB Output is correct
15 Correct 784 ms 56672 KB Output is correct
16 Correct 759 ms 56520 KB Output is correct
17 Correct 941 ms 57252 KB Output is correct
18 Correct 9 ms 14420 KB Output is correct
19 Correct 10 ms 14420 KB Output is correct
20 Correct 9 ms 14548 KB Output is correct
21 Correct 8 ms 14420 KB Output is correct
22 Correct 9 ms 14420 KB Output is correct

Subtask #3
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 14420 KB Output is correct
2 Correct 441 ms 59320 KB Output is correct
3 Correct 970 ms 56120 KB Output is correct
4 Correct 514 ms 72988 KB Output is correct
5 Correct 646 ms 57700 KB Output is correct
6 Correct 809 ms 57552 KB Output is correct
7 Correct 818 ms 57732 KB Output is correct
8 Correct 604 ms 58260 KB Output is correct
9 Correct 466 ms 83812 KB Output is correct
10 Correct 594 ms 78204 KB Output is correct
11 Correct 440 ms 59192 KB Output is correct
12 Correct 1022 ms 56024 KB Output is correct
13 Correct 495 ms 57300 KB Output is correct
14 Correct 584 ms 56544 KB Output is correct
15 Correct 784 ms 56672 KB Output is correct
16 Correct 759 ms 56520 KB Output is correct
17 Correct 941 ms 57252 KB Output is correct
18 Correct 9 ms 14420 KB Output is correct
19 Correct 10 ms 14420 KB Output is correct
20 Correct 9 ms 14548 KB Output is correct
21 Correct 8 ms 14420 KB Output is correct
22 Correct 9 ms 14420 KB Output is correct
23 Correct 9 ms 14400 KB Output is correct
24 Correct 554 ms 59140 KB Output is correct
25 Correct 1298 ms 55976 KB Output is correct
26 Correct 513 ms 80808 KB Output is correct
27 Correct 689 ms 57536 KB Output is correct
28 Correct 931 ms 57620 KB Output is correct
29 Correct 993 ms 57660 KB Output is correct
30 Correct 631 ms 58292 KB Output is correct
31 Correct 477 ms 75204 KB Output is correct
32 Correct 593 ms 78180 KB Output is correct
33 Correct 457 ms 59288 KB Output is correct
34 Correct 1335 ms 56312 KB Output is correct
35 Correct 9 ms 14420 KB Output is correct
36 Correct 10 ms 14416 KB Output is correct
37 Correct 9 ms 14420 KB Output is correct
38 Correct 9 ms 14420 KB Output is correct
39 Correct 9 ms 14420 KB Output is correct
40 Correct 9 ms 14420 KB Output is correct
41 Correct 11 ms 14420 KB Output is correct
42 Correct 9 ms 14420 KB Output is correct
43 Correct 9 ms 14420 KB Output is correct
44 Correct 9 ms 14420 KB Output is correct
45 Correct 9 ms 14420 KB Output is correct
46 Correct 9 ms 14456 KB Output is correct
47 Correct 8 ms 14420 KB Output is correct
48 Correct 9 ms 14460 KB Output is correct
49 Correct 10 ms 14420 KB Output is correct

Subtask #4
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 14420 KB Output is correct
2 Correct 603 ms 80404 KB Output is correct
3 Correct 1953 ms 73212 KB Output is correct
4 Correct 927 ms 74764 KB Output is correct
5 Execution timed out 4048 ms 56288 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 14420 KB Output is correct
2 Correct 624 ms 74220 KB Output is correct
3 Correct 2200 ms 67168 KB Output is correct
4 Correct 1036 ms 71156 KB Output is correct
5 Execution timed out 4056 ms 57760 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14420 KB Output is correct
2 Correct 11 ms 14444 KB Output is correct
3 Correct 9 ms 14416 KB Output is correct
4 Correct 11 ms 14676 KB Output is correct
5 Correct 11 ms 14548 KB Output is correct
6 Correct 10 ms 14548 KB Output is correct
7 Correct 9 ms 14548 KB Output is correct
8 Correct 11 ms 14664 KB Output is correct
9 Correct 8 ms 14444 KB Output is correct
10 Correct 8 ms 14420 KB Output is correct
11 Correct 9 ms 14420 KB Output is correct
12 Correct 8 ms 14420 KB Output is correct
13 Correct 8 ms 14420 KB Output is correct
14 Correct 8 ms 14420 KB Output is correct
15 Correct 9 ms 14420 KB Output is correct
16 Correct 9 ms 14348 KB Output is correct
17 Correct 11 ms 14360 KB Output is correct
18 Correct 9 ms 14420 KB Output is correct
19 Correct 8 ms 14420 KB Output is correct
20 Correct 8 ms 14420 KB Output is correct
21 Correct 8 ms 14420 KB Output is correct
22 Correct 8 ms 14420 KB Output is correct
23 Correct 8 ms 14420 KB Output is correct
24 Correct 9 ms 14420 KB Output is correct
25 Correct 8 ms 14420 KB Output is correct
26 Correct 9 ms 14336 KB Output is correct
27 Correct 8 ms 14420 KB Output is correct
28 Correct 9 ms 14420 KB Output is correct
29 Correct 11 ms 14420 KB Output is correct
30 Correct 441 ms 59320 KB Output is correct
31 Correct 970 ms 56120 KB Output is correct
32 Correct 514 ms 72988 KB Output is correct
33 Correct 646 ms 57700 KB Output is correct
34 Correct 809 ms 57552 KB Output is correct
35 Correct 818 ms 57732 KB Output is correct
36 Correct 604 ms 58260 KB Output is correct
37 Correct 466 ms 83812 KB Output is correct
38 Correct 594 ms 78204 KB Output is correct
39 Correct 440 ms 59192 KB Output is correct
40 Correct 1022 ms 56024 KB Output is correct
41 Correct 495 ms 57300 KB Output is correct
42 Correct 584 ms 56544 KB Output is correct
43 Correct 784 ms 56672 KB Output is correct
44 Correct 759 ms 56520 KB Output is correct
45 Correct 941 ms 57252 KB Output is correct
46 Correct 9 ms 14420 KB Output is correct
47 Correct 10 ms 14420 KB Output is correct
48 Correct 9 ms 14548 KB Output is correct
49 Correct 8 ms 14420 KB Output is correct
50 Correct 9 ms 14420 KB Output is correct
51 Correct 9 ms 14400 KB Output is correct
52 Correct 554 ms 59140 KB Output is correct
53 Correct 1298 ms 55976 KB Output is correct
54 Correct 513 ms 80808 KB Output is correct
55 Correct 689 ms 57536 KB Output is correct
56 Correct 931 ms 57620 KB Output is correct
57 Correct 993 ms 57660 KB Output is correct
58 Correct 631 ms 58292 KB Output is correct
59 Correct 477 ms 75204 KB Output is correct
60 Correct 593 ms 78180 KB Output is correct
61 Correct 457 ms 59288 KB Output is correct
62 Correct 1335 ms 56312 KB Output is correct
63 Correct 9 ms 14420 KB Output is correct
64 Correct 10 ms 14416 KB Output is correct
65 Correct 9 ms 14420 KB Output is correct
66 Correct 9 ms 14420 KB Output is correct
67 Correct 9 ms 14420 KB Output is correct
68 Correct 9 ms 14420 KB Output is correct
69 Correct 11 ms 14420 KB Output is correct
70 Correct 9 ms 14420 KB Output is correct
71 Correct 9 ms 14420 KB Output is correct
72 Correct 9 ms 14420 KB Output is correct
73 Correct 9 ms 14420 KB Output is correct
74 Correct 9 ms 14456 KB Output is correct
75 Correct 8 ms 14420 KB Output is correct
76 Correct 9 ms 14460 KB Output is correct
77 Correct 10 ms 14420 KB Output is correct
78 Correct 9 ms 14420 KB Output is correct
79 Correct 603 ms 80404 KB Output is correct
80 Correct 1953 ms 73212 KB Output is correct
81 Correct 927 ms 74764 KB Output is correct
82 Execution timed out 4048 ms 56288 KB Time limit exceeded
83 Halted 0 ms 0 KB -