Submission #964648

# Submission time Handle Problem Language Result Execution time Memory
964648 2024-04-17T09:19:57 Z yellowtoad Sprinkler (JOI22_sprinkler) C++17
41 / 100
4000 ms 76668 KB
#include <iostream>
#include <vector>
#define f first
#define s second
#define int long long
using namespace std;
 
int n, mod, a[200050], cnt, test, p[200050];
pair<int,int> rng[200050], grp[200050];
vector<int> edge[200050], d[200050], node[200050];
bool up;
 
void dfs(int u, int v, int depth) {
	p[u] = v;
	rng[u].f = ++cnt;
	grp[u] = {depth,d[depth].size()};
	d[depth].push_back(u);
	for (int i = 0; i < edge[u].size(); i++) if (edge[u][i] != v) dfs(edge[u][i],u,depth+1);
	rng[u].s = cnt;
}
 
void build(int i, int id, int x, int y) {
	if (x == y) {
		node[i][id] = a[d[i][x]];
		return;
	}
	int mid = (x+y)/2;
	build(i,id*2,x,mid);
	build(i,id*2+1,mid+1,y);
	node[i][id] = 1;
}
 
void update(int i, int id, int x, int y, int l, int r, int val) {
	if ((l <= x) && (y <= r)) {
		(node[i][id] *= val) %= mod;
		return;
	}
	if ((y < l) || (r < x)) return;
	int mid = (x+y)/2;
	(node[i][id*2] *= node[i][id]) %= mod;
	(node[i][id*2+1] *= node[i][id]) %= mod;
	node[i][id] = 1;
	update(i,id*2,x,mid,l,r,val);
	update(i,id*2+1,mid+1,y,l,r,val);
}

int query(int i, int id, int x, int y, int pos) {
	if (x == y) return node[i][id];
	int mid = (x+y)/2;
	(node[i][id*2] *= node[i][id]) %= mod;
	(node[i][id*2+1] *= node[i][id]) %= mod;
	node[i][id] = 1;
	if (pos <= mid) return query(i,id*2,x,mid,pos);
	else return query(i,id*2+1,mid+1,y,pos);
}

signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	cin >> n >> mod;
	for (int i = 1; i < n; i++) {
		int u, v;
		cin >> u >> v;
		edge[u].push_back(v);
		edge[v].push_back(u);
	}
	for (int i = 1; i <= n; i++) cin >> a[i];
	dfs(1,0,1);
	for (int i = 1; i <= n; i++) {
		if (d[i].size()) {
			node[i].resize(d[i].size()*4+10);
			build(i,1,0,d[i].size()-1);
		}
	}
	cin >> test;
	while (test--) {
		int type, u, dis, val, depth, l, r, ll, rr;
		cin >> type;
		if (type == 1) {
			cin >> u >> dis >> val;
			depth = grp[u].f+dis;
			up = 0;
			while (depth >= grp[u].f) {
				l = 0; r = (int)d[depth].size()-1;
				while (l <= r) {
					int mid = (l+r)/2;
					if (rng[d[depth][mid]].f < rng[u].f) l = mid+1;
					else r = mid-1;
				}
				ll = l;
				l = 0; r = (int)d[depth].size()-1;
				while (l <= r) {
					int mid = (l+r)/2;
					if (rng[d[depth][mid]].f > rng[u].s) r = mid-1;
					else l = mid+1;
				}
				rr = r;
				if (ll <= rr) update(depth,1,0,d[depth].size()-1,ll,rr,val);
				if ((up) && (p[u])) u = p[u];
				up = 1-up;
				depth--;
			}
		} else {
			cin >> u;
			cout << query(grp[u].f,1,0,d[grp[u].f].size()-1,grp[u].s) << "\n";
		}
	}
}

Compilation message

sprinkler.cpp: In function 'void dfs(long long int, long long int, long long int)':
sprinkler.cpp:18:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |  for (int i = 0; i < edge[u].size(); i++) if (edge[u][i] != v) dfs(edge[u][i],u,depth+1);
      |                  ~~^~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 8 ms 21084 KB Output is correct
2 Correct 4 ms 21084 KB Output is correct
3 Correct 5 ms 21084 KB Output is correct
4 Correct 5 ms 21084 KB Output is correct
5 Correct 6 ms 21084 KB Output is correct
6 Correct 6 ms 21340 KB Output is correct
7 Correct 5 ms 21084 KB Output is correct
8 Correct 5 ms 21084 KB Output is correct
9 Correct 5 ms 21084 KB Output is correct
10 Correct 4 ms 21084 KB Output is correct
11 Correct 5 ms 21084 KB Output is correct
12 Correct 5 ms 21084 KB Output is correct
13 Correct 4 ms 21084 KB Output is correct
14 Correct 4 ms 21084 KB Output is correct
15 Correct 4 ms 20920 KB Output is correct
16 Correct 4 ms 21084 KB Output is correct
17 Correct 4 ms 21084 KB Output is correct
18 Correct 4 ms 21084 KB Output is correct
19 Correct 4 ms 21084 KB Output is correct
20 Correct 5 ms 21084 KB Output is correct
21 Correct 5 ms 21080 KB Output is correct
22 Correct 6 ms 21084 KB Output is correct
23 Correct 4 ms 21084 KB Output is correct
24 Correct 5 ms 21084 KB Output is correct
25 Correct 4 ms 21084 KB Output is correct
26 Correct 5 ms 21164 KB Output is correct
27 Correct 4 ms 21084 KB Output is correct
28 Correct 4 ms 21084 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 21080 KB Output is correct
2 Correct 312 ms 43420 KB Output is correct
3 Correct 655 ms 40512 KB Output is correct
4 Correct 475 ms 62528 KB Output is correct
5 Correct 387 ms 41868 KB Output is correct
6 Correct 507 ms 41664 KB Output is correct
7 Correct 509 ms 41364 KB Output is correct
8 Correct 452 ms 41732 KB Output is correct
9 Correct 361 ms 76668 KB Output is correct
10 Correct 453 ms 70136 KB Output is correct
11 Correct 340 ms 43352 KB Output is correct
12 Correct 621 ms 40344 KB Output is correct
13 Correct 272 ms 40892 KB Output is correct
14 Correct 442 ms 39900 KB Output is correct
15 Correct 525 ms 40020 KB Output is correct
16 Correct 522 ms 39992 KB Output is correct
17 Correct 559 ms 40724 KB Output is correct
18 Correct 5 ms 21084 KB Output is correct
19 Correct 4 ms 21084 KB Output is correct
20 Correct 4 ms 21084 KB Output is correct
21 Correct 4 ms 21080 KB Output is correct
22 Correct 6 ms 21164 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 21080 KB Output is correct
2 Correct 312 ms 43420 KB Output is correct
3 Correct 655 ms 40512 KB Output is correct
4 Correct 475 ms 62528 KB Output is correct
5 Correct 387 ms 41868 KB Output is correct
6 Correct 507 ms 41664 KB Output is correct
7 Correct 509 ms 41364 KB Output is correct
8 Correct 452 ms 41732 KB Output is correct
9 Correct 361 ms 76668 KB Output is correct
10 Correct 453 ms 70136 KB Output is correct
11 Correct 340 ms 43352 KB Output is correct
12 Correct 621 ms 40344 KB Output is correct
13 Correct 272 ms 40892 KB Output is correct
14 Correct 442 ms 39900 KB Output is correct
15 Correct 525 ms 40020 KB Output is correct
16 Correct 522 ms 39992 KB Output is correct
17 Correct 559 ms 40724 KB Output is correct
18 Correct 5 ms 21084 KB Output is correct
19 Correct 4 ms 21084 KB Output is correct
20 Correct 4 ms 21084 KB Output is correct
21 Correct 4 ms 21080 KB Output is correct
22 Correct 6 ms 21164 KB Output is correct
23 Correct 4 ms 21080 KB Output is correct
24 Correct 368 ms 43428 KB Output is correct
25 Correct 798 ms 40500 KB Output is correct
26 Correct 473 ms 73296 KB Output is correct
27 Correct 497 ms 41840 KB Output is correct
28 Correct 654 ms 41336 KB Output is correct
29 Correct 625 ms 41416 KB Output is correct
30 Correct 408 ms 41532 KB Output is correct
31 Correct 356 ms 65372 KB Output is correct
32 Correct 519 ms 70596 KB Output is correct
33 Correct 336 ms 43472 KB Output is correct
34 Correct 900 ms 40228 KB Output is correct
35 Correct 5 ms 21080 KB Output is correct
36 Correct 5 ms 21084 KB Output is correct
37 Correct 4 ms 21084 KB Output is correct
38 Correct 5 ms 21084 KB Output is correct
39 Correct 5 ms 21168 KB Output is correct
40 Correct 4 ms 21148 KB Output is correct
41 Correct 4 ms 21080 KB Output is correct
42 Correct 4 ms 21080 KB Output is correct
43 Correct 4 ms 21080 KB Output is correct
44 Correct 5 ms 21084 KB Output is correct
45 Correct 5 ms 21080 KB Output is correct
46 Correct 4 ms 21080 KB Output is correct
47 Correct 4 ms 21084 KB Output is correct
48 Correct 4 ms 21084 KB Output is correct
49 Correct 6 ms 21084 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 21084 KB Output is correct
2 Correct 598 ms 73348 KB Output is correct
3 Correct 2572 ms 63904 KB Output is correct
4 Correct 1000 ms 66056 KB Output is correct
5 Correct 3001 ms 40400 KB Output is correct
6 Correct 1688 ms 40332 KB Output is correct
7 Correct 921 ms 39952 KB Output is correct
8 Correct 245 ms 40096 KB Output is correct
9 Correct 620 ms 63096 KB Output is correct
10 Correct 2599 ms 69456 KB Output is correct
11 Correct 1259 ms 40728 KB Output is correct
12 Execution timed out 4027 ms 40516 KB Time limit exceeded
13 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 4 ms 21336 KB Output is correct
2 Correct 627 ms 63864 KB Output is correct
3 Correct 2956 ms 55880 KB Output is correct
4 Correct 993 ms 60524 KB Output is correct
5 Correct 2915 ms 42140 KB Output is correct
6 Correct 1675 ms 41428 KB Output is correct
7 Correct 1002 ms 41256 KB Output is correct
8 Correct 273 ms 41496 KB Output is correct
9 Correct 630 ms 73780 KB Output is correct
10 Correct 2431 ms 70972 KB Output is correct
11 Correct 1183 ms 43204 KB Output is correct
12 Execution timed out 4098 ms 40048 KB Time limit exceeded
13 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 8 ms 21084 KB Output is correct
2 Correct 4 ms 21084 KB Output is correct
3 Correct 5 ms 21084 KB Output is correct
4 Correct 5 ms 21084 KB Output is correct
5 Correct 6 ms 21084 KB Output is correct
6 Correct 6 ms 21340 KB Output is correct
7 Correct 5 ms 21084 KB Output is correct
8 Correct 5 ms 21084 KB Output is correct
9 Correct 5 ms 21084 KB Output is correct
10 Correct 4 ms 21084 KB Output is correct
11 Correct 5 ms 21084 KB Output is correct
12 Correct 5 ms 21084 KB Output is correct
13 Correct 4 ms 21084 KB Output is correct
14 Correct 4 ms 21084 KB Output is correct
15 Correct 4 ms 20920 KB Output is correct
16 Correct 4 ms 21084 KB Output is correct
17 Correct 4 ms 21084 KB Output is correct
18 Correct 4 ms 21084 KB Output is correct
19 Correct 4 ms 21084 KB Output is correct
20 Correct 5 ms 21084 KB Output is correct
21 Correct 5 ms 21080 KB Output is correct
22 Correct 6 ms 21084 KB Output is correct
23 Correct 4 ms 21084 KB Output is correct
24 Correct 5 ms 21084 KB Output is correct
25 Correct 4 ms 21084 KB Output is correct
26 Correct 5 ms 21164 KB Output is correct
27 Correct 4 ms 21084 KB Output is correct
28 Correct 4 ms 21084 KB Output is correct
29 Correct 4 ms 21080 KB Output is correct
30 Correct 312 ms 43420 KB Output is correct
31 Correct 655 ms 40512 KB Output is correct
32 Correct 475 ms 62528 KB Output is correct
33 Correct 387 ms 41868 KB Output is correct
34 Correct 507 ms 41664 KB Output is correct
35 Correct 509 ms 41364 KB Output is correct
36 Correct 452 ms 41732 KB Output is correct
37 Correct 361 ms 76668 KB Output is correct
38 Correct 453 ms 70136 KB Output is correct
39 Correct 340 ms 43352 KB Output is correct
40 Correct 621 ms 40344 KB Output is correct
41 Correct 272 ms 40892 KB Output is correct
42 Correct 442 ms 39900 KB Output is correct
43 Correct 525 ms 40020 KB Output is correct
44 Correct 522 ms 39992 KB Output is correct
45 Correct 559 ms 40724 KB Output is correct
46 Correct 5 ms 21084 KB Output is correct
47 Correct 4 ms 21084 KB Output is correct
48 Correct 4 ms 21084 KB Output is correct
49 Correct 4 ms 21080 KB Output is correct
50 Correct 6 ms 21164 KB Output is correct
51 Correct 4 ms 21080 KB Output is correct
52 Correct 368 ms 43428 KB Output is correct
53 Correct 798 ms 40500 KB Output is correct
54 Correct 473 ms 73296 KB Output is correct
55 Correct 497 ms 41840 KB Output is correct
56 Correct 654 ms 41336 KB Output is correct
57 Correct 625 ms 41416 KB Output is correct
58 Correct 408 ms 41532 KB Output is correct
59 Correct 356 ms 65372 KB Output is correct
60 Correct 519 ms 70596 KB Output is correct
61 Correct 336 ms 43472 KB Output is correct
62 Correct 900 ms 40228 KB Output is correct
63 Correct 5 ms 21080 KB Output is correct
64 Correct 5 ms 21084 KB Output is correct
65 Correct 4 ms 21084 KB Output is correct
66 Correct 5 ms 21084 KB Output is correct
67 Correct 5 ms 21168 KB Output is correct
68 Correct 4 ms 21148 KB Output is correct
69 Correct 4 ms 21080 KB Output is correct
70 Correct 4 ms 21080 KB Output is correct
71 Correct 4 ms 21080 KB Output is correct
72 Correct 5 ms 21084 KB Output is correct
73 Correct 5 ms 21080 KB Output is correct
74 Correct 4 ms 21080 KB Output is correct
75 Correct 4 ms 21084 KB Output is correct
76 Correct 4 ms 21084 KB Output is correct
77 Correct 6 ms 21084 KB Output is correct
78 Correct 5 ms 21084 KB Output is correct
79 Correct 598 ms 73348 KB Output is correct
80 Correct 2572 ms 63904 KB Output is correct
81 Correct 1000 ms 66056 KB Output is correct
82 Correct 3001 ms 40400 KB Output is correct
83 Correct 1688 ms 40332 KB Output is correct
84 Correct 921 ms 39952 KB Output is correct
85 Correct 245 ms 40096 KB Output is correct
86 Correct 620 ms 63096 KB Output is correct
87 Correct 2599 ms 69456 KB Output is correct
88 Correct 1259 ms 40728 KB Output is correct
89 Execution timed out 4027 ms 40516 KB Time limit exceeded
90 Halted 0 ms 0 KB -