oj.uz

Submission #615510

# Submission time Handle Problem Language Result Execution time Memory
615510 2022-07-31T09:57:54 Z 장태환(#8493) Sprinkler (JOI22_sprinkler) C++17
41 / 100
 4000 ms 68156 KB 
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
int N, L;
int qs, qe, n;
struct st
{
	vector<long long>r;
	int treeN;
	void init(int cnt)
	{
		for (treeN = 1; treeN < cnt; treeN *= 2);
		r.resize(2 * treeN, 1);
	}
	void upd(int s, int e, int i = 1)
	{
		if (s > qe || qs > e)
			return;
		if (qs <= s && e <= qe)
		{
			r[i] *= n;
			if (r[i] >= L)
				r[i] %= L;
			return;
		}
		upd(s, (s + e) / 2, i * 2);
		upd((s + e) / 2 + 1, e, i * 2 + 1);
	}
	int ge(int qs, int qe, int n, int i = 1)
	{
		if (qs == qe)
		{
			return r[i];
		}
		int m = (qs + qe) / 2;
		if (n > m)
		{
			return r[i] * ge(m + 1, qe, n, i * 2 + 1) % L;
		}
		else
		{
			return r[i] * ge(qs, m, n, i * 2) % L;
		}
	}
}arr[200100];
int d[201000];
int pos[200100];
int par[200100];
int st[201000];
int en[200100];
int c;
vector<int>li[201000];
vector<pair<int, int>>dl[200100];
vector<int>dl2[200100];
void dfs(int n, int p = 0)
{
	st[n] = ++c;
	dl[d[n]].push_back({ st[n],n });
	dl2[d[n]].push_back(st[n]);
	int i;
	for (i = 0; i < li[n].size(); i++)
	{
		if (li[n][i] == p)
			continue;
		par[li[n][i]] = n;
		d[li[n][i]] = d[n] + 1;
		dfs(li[n][i], n);
	}
	en[n] = c;
}
signed main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	cin >> N >> L;
	int i;
	for (i = 1; i < N; i++)
	{
		int a, b;
		cin >> a >> b;
		li[a].push_back(b);
		li[b].push_back(a);
	}
	dfs(1);
	for (i = 0; i <= N; i++)
	{
		arr[i].init(dl[i].size());
		int j;
		for (j = 0; j < dl[i].size(); j++)
		{
			pos[dl[i][j].second] = j;
		}
	}
	for (i = 1; i <= N; i++)
	{
		int a;
		cin >> a;
		arr[d[i]].r[pos[i] + arr[d[i]].treeN] = a;
	}
	int Q;
	cin >> Q;
	while (Q--)
	{
		int a;
		cin >> a;
		if (a == 1)
		{
			int b, c, w;
			cin >> b >> c >> w;
			int j;
			int dp = d[b];
			int cp = b;
			for (j = dp + c; j >= dp - c; j--)
			{
				if (j + dp - d[cp] * 2 + 2 <= c && cp != 1)
				{
					cp = par[cp];
				}
				if (j < 0)
					break;
				int lp = lower_bound(dl2[j].begin(), dl2[j].end(), st[cp]) - dl2[j].begin();
				if (lp != dl2[j].size() && dl2[j][lp] <= en[cp])
				{
					int rp = lower_bound(dl2[j].begin() + lp, dl2[j].end(), en[cp] + 1) - dl2[j].begin() - 1;
					qs = lp;
					qe = rp;
					n = w;
					arr[j].upd(0, arr[j].treeN - 1);
				}

			}
		}
		else
		{
			int b;
			cin >> b;
			cout << arr[d[b]].ge(0, arr[d[b]].treeN - 1, pos[b]) << '\n';
		}
	}

}

Compilation message

sprinkler.cpp: In function 'void dfs(int, int)':
sprinkler.cpp:62:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |  for (i = 0; i < li[n].size(); i++)
      |              ~~^~~~~~~~~~~~~~
sprinkler.cpp: In function 'int main()':
sprinkler.cpp:91:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |   for (j = 0; j < dl[i].size(); j++)
      |               ~~^~~~~~~~~~~~~~
sprinkler.cpp:124:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  124 |     if (lp != dl2[j].size() && dl2[j][lp] <= en[cp])
      |         ~~~^~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 20692 KB Output is correct
2 Correct 12 ms 20660 KB Output is correct
3 Correct 12 ms 20612 KB Output is correct
4 Correct 15 ms 20820 KB Output is correct
5 Correct 20 ms 20868 KB Output is correct
6 Correct 13 ms 20852 KB Output is correct
7 Correct 13 ms 20864 KB Output is correct
8 Correct 14 ms 20840 KB Output is correct
9 Correct 12 ms 20724 KB Output is correct
10 Correct 16 ms 20632 KB Output is correct
11 Correct 17 ms 20704 KB Output is correct
12 Correct 16 ms 20724 KB Output is correct
13 Correct 13 ms 20736 KB Output is correct
14 Correct 14 ms 20688 KB Output is correct
15 Correct 13 ms 20672 KB Output is correct
16 Correct 15 ms 20700 KB Output is correct
17 Correct 13 ms 20692 KB Output is correct
18 Correct 14 ms 20692 KB Output is correct
19 Correct 13 ms 20692 KB Output is correct
20 Correct 15 ms 20736 KB Output is correct
21 Correct 17 ms 20692 KB Output is correct
22 Correct 16 ms 20652 KB Output is correct
23 Correct 13 ms 20660 KB Output is correct
24 Correct 12 ms 20692 KB Output is correct
25 Correct 12 ms 20700 KB Output is correct
26 Correct 14 ms 20700 KB Output is correct
27 Correct 17 ms 20708 KB Output is correct
28 Correct 14 ms 20736 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 20640 KB Output is correct
2 Correct 545 ms 48768 KB Output is correct
3 Correct 768 ms 45708 KB Output is correct
4 Correct 684 ms 58276 KB Output is correct
5 Correct 512 ms 47324 KB Output is correct
6 Correct 567 ms 46580 KB Output is correct
7 Correct 595 ms 46428 KB Output is correct
8 Correct 443 ms 46260 KB Output is correct
9 Correct 499 ms 68156 KB Output is correct
10 Correct 537 ms 62940 KB Output is correct
11 Correct 451 ms 48612 KB Output is correct
12 Correct 666 ms 45716 KB Output is correct
13 Correct 417 ms 45344 KB Output is correct
14 Correct 471 ms 45924 KB Output is correct
15 Correct 485 ms 45508 KB Output is correct
16 Correct 503 ms 45700 KB Output is correct
17 Correct 608 ms 45520 KB Output is correct
18 Correct 13 ms 20692 KB Output is correct
19 Correct 14 ms 20736 KB Output is correct
20 Correct 12 ms 20656 KB Output is correct
21 Correct 14 ms 20620 KB Output is correct
22 Correct 14 ms 20740 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 20640 KB Output is correct
2 Correct 545 ms 48768 KB Output is correct
3 Correct 768 ms 45708 KB Output is correct
4 Correct 684 ms 58276 KB Output is correct
5 Correct 512 ms 47324 KB Output is correct
6 Correct 567 ms 46580 KB Output is correct
7 Correct 595 ms 46428 KB Output is correct
8 Correct 443 ms 46260 KB Output is correct
9 Correct 499 ms 68156 KB Output is correct
10 Correct 537 ms 62940 KB Output is correct
11 Correct 451 ms 48612 KB Output is correct
12 Correct 666 ms 45716 KB Output is correct
13 Correct 417 ms 45344 KB Output is correct
14 Correct 471 ms 45924 KB Output is correct
15 Correct 485 ms 45508 KB Output is correct
16 Correct 503 ms 45700 KB Output is correct
17 Correct 608 ms 45520 KB Output is correct
18 Correct 13 ms 20692 KB Output is correct
19 Correct 14 ms 20736 KB Output is correct
20 Correct 12 ms 20656 KB Output is correct
21 Correct 14 ms 20620 KB Output is correct
22 Correct 14 ms 20740 KB Output is correct
23 Correct 13 ms 20628 KB Output is correct
24 Correct 433 ms 48628 KB Output is correct
25 Correct 874 ms 45644 KB Output is correct
26 Correct 478 ms 65468 KB Output is correct
27 Correct 487 ms 47080 KB Output is correct
28 Correct 640 ms 46680 KB Output is correct
29 Correct 575 ms 47036 KB Output is correct
30 Correct 403 ms 46420 KB Output is correct
31 Correct 410 ms 60716 KB Output is correct
32 Correct 511 ms 63052 KB Output is correct
33 Correct 396 ms 48904 KB Output is correct
34 Correct 709 ms 45416 KB Output is correct
35 Correct 12 ms 20692 KB Output is correct
36 Correct 11 ms 20692 KB Output is correct
37 Correct 12 ms 20736 KB Output is correct
38 Correct 13 ms 20692 KB Output is correct
39 Correct 11 ms 20728 KB Output is correct
40 Correct 14 ms 20692 KB Output is correct
41 Correct 11 ms 20732 KB Output is correct
42 Correct 11 ms 20676 KB Output is correct
43 Correct 11 ms 20692 KB Output is correct
44 Correct 12 ms 20692 KB Output is correct
45 Correct 12 ms 20708 KB Output is correct
46 Correct 12 ms 20732 KB Output is correct
47 Correct 15 ms 20636 KB Output is correct
48 Correct 11 ms 20692 KB Output is correct
49 Correct 11 ms 20688 KB Output is correct

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 20720 KB Output is correct
2 Correct 544 ms 64940 KB Output is correct
3 Correct 1894 ms 58436 KB Output is correct
4 Correct 813 ms 59988 KB Output is correct
5 Correct 2252 ms 45584 KB Output is correct
6 Correct 1535 ms 45024 KB Output is correct
7 Correct 936 ms 45600 KB Output is correct
8 Correct 343 ms 44756 KB Output is correct
9 Correct 574 ms 58120 KB Output is correct
10 Correct 1622 ms 62392 KB Output is correct
11 Correct 1037 ms 46156 KB Output is correct
12 Execution timed out 4022 ms 45244 KB Time limit exceeded
13 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 20692 KB Output is correct
2 Correct 582 ms 59716 KB Output is correct
3 Correct 1907 ms 53220 KB Output is correct
4 Correct 967 ms 56920 KB Output is correct
5 Correct 2195 ms 47180 KB Output is correct
6 Correct 1754 ms 46904 KB Output is correct
7 Correct 1288 ms 46008 KB Output is correct
8 Correct 312 ms 46116 KB Output is correct
9 Correct 651 ms 66312 KB Output is correct
10 Correct 1539 ms 63408 KB Output is correct
11 Correct 1158 ms 48524 KB Output is correct
12 Execution timed out 4059 ms 45436 KB Time limit exceeded
13 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 20692 KB Output is correct
2 Correct 12 ms 20660 KB Output is correct
3 Correct 12 ms 20612 KB Output is correct
4 Correct 15 ms 20820 KB Output is correct
5 Correct 20 ms 20868 KB Output is correct
6 Correct 13 ms 20852 KB Output is correct
7 Correct 13 ms 20864 KB Output is correct
8 Correct 14 ms 20840 KB Output is correct
9 Correct 12 ms 20724 KB Output is correct
10 Correct 16 ms 20632 KB Output is correct
11 Correct 17 ms 20704 KB Output is correct
12 Correct 16 ms 20724 KB Output is correct
13 Correct 13 ms 20736 KB Output is correct
14 Correct 14 ms 20688 KB Output is correct
15 Correct 13 ms 20672 KB Output is correct
16 Correct 15 ms 20700 KB Output is correct
17 Correct 13 ms 20692 KB Output is correct
18 Correct 14 ms 20692 KB Output is correct
19 Correct 13 ms 20692 KB Output is correct
20 Correct 15 ms 20736 KB Output is correct
21 Correct 17 ms 20692 KB Output is correct
22 Correct 16 ms 20652 KB Output is correct
23 Correct 13 ms 20660 KB Output is correct
24 Correct 12 ms 20692 KB Output is correct
25 Correct 12 ms 20700 KB Output is correct
26 Correct 14 ms 20700 KB Output is correct
27 Correct 17 ms 20708 KB Output is correct
28 Correct 14 ms 20736 KB Output is correct
29 Correct 14 ms 20640 KB Output is correct
30 Correct 545 ms 48768 KB Output is correct
31 Correct 768 ms 45708 KB Output is correct
32 Correct 684 ms 58276 KB Output is correct
33 Correct 512 ms 47324 KB Output is correct
34 Correct 567 ms 46580 KB Output is correct
35 Correct 595 ms 46428 KB Output is correct
36 Correct 443 ms 46260 KB Output is correct
37 Correct 499 ms 68156 KB Output is correct
38 Correct 537 ms 62940 KB Output is correct
39 Correct 451 ms 48612 KB Output is correct
40 Correct 666 ms 45716 KB Output is correct
41 Correct 417 ms 45344 KB Output is correct
42 Correct 471 ms 45924 KB Output is correct
43 Correct 485 ms 45508 KB Output is correct
44 Correct 503 ms 45700 KB Output is correct
45 Correct 608 ms 45520 KB Output is correct
46 Correct 13 ms 20692 KB Output is correct
47 Correct 14 ms 20736 KB Output is correct
48 Correct 12 ms 20656 KB Output is correct
49 Correct 14 ms 20620 KB Output is correct
50 Correct 14 ms 20740 KB Output is correct
51 Correct 13 ms 20628 KB Output is correct
52 Correct 433 ms 48628 KB Output is correct
53 Correct 874 ms 45644 KB Output is correct
54 Correct 478 ms 65468 KB Output is correct
55 Correct 487 ms 47080 KB Output is correct
56 Correct 640 ms 46680 KB Output is correct
57 Correct 575 ms 47036 KB Output is correct
58 Correct 403 ms 46420 KB Output is correct
59 Correct 410 ms 60716 KB Output is correct
60 Correct 511 ms 63052 KB Output is correct
61 Correct 396 ms 48904 KB Output is correct
62 Correct 709 ms 45416 KB Output is correct
63 Correct 12 ms 20692 KB Output is correct
64 Correct 11 ms 20692 KB Output is correct
65 Correct 12 ms 20736 KB Output is correct
66 Correct 13 ms 20692 KB Output is correct
67 Correct 11 ms 20728 KB Output is correct
68 Correct 14 ms 20692 KB Output is correct
69 Correct 11 ms 20732 KB Output is correct
70 Correct 11 ms 20676 KB Output is correct
71 Correct 11 ms 20692 KB Output is correct
72 Correct 12 ms 20692 KB Output is correct
73 Correct 12 ms 20708 KB Output is correct
74 Correct 12 ms 20732 KB Output is correct
75 Correct 15 ms 20636 KB Output is correct
76 Correct 11 ms 20692 KB Output is correct
77 Correct 11 ms 20688 KB Output is correct
78 Correct 11 ms 20720 KB Output is correct
79 Correct 544 ms 64940 KB Output is correct
80 Correct 1894 ms 58436 KB Output is correct
81 Correct 813 ms 59988 KB Output is correct
82 Correct 2252 ms 45584 KB Output is correct
83 Correct 1535 ms 45024 KB Output is correct
84 Correct 936 ms 45600 KB Output is correct
85 Correct 343 ms 44756 KB Output is correct
86 Correct 574 ms 58120 KB Output is correct
87 Correct 1622 ms 62392 KB Output is correct
88 Correct 1037 ms 46156 KB Output is correct
89 Execution timed out 4022 ms 45244 KB Time limit exceeded
90 Halted 0 ms 0 KB -