oj.uz

답안 #615445

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
615445 2022-07-31T09:15:16 Z 장태환(#8493) Sprinkler (JOI22_sprinkler) C++17
41 / 100
 4000 ms 148528 KB 
#include <bits/stdc++.h>
using namespace std;
int N, L;
struct st
{
	vector<long long>r;
	int treeN;
	void init(int cnt)
	{
		for (treeN = 1; treeN < cnt; treeN *= 2);
		r.resize(2 * treeN + 3, 1);
	}
	void upd(int qs, int qe, int n, int s, int e, int i = 1)
	{
		if (s > qe || qs > e)
			return;
		if (qs <= s && e <= qe)
		{
			r[i] *= n;
			r[i] %= L;
			return;
		}
		upd(qs, qe, n, s, (s + e) / 2, i * 2);
		upd(qs, qe, n, (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 sp[200100][50], ep[200100][50];
int c;
vector<int>li[201000];
vector<pair<int, int>>dl[200100];
void dfs(int n, int p = 0)
{
	st[n] = ++c;

	dl[d[n]].push_back({ st[n],n });
	sp[n][0] = ep[n][0] = dl[d[n]].size() - 1;
	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);
		int j;
		for (j = 1; j < 43; j++)
		{
			sp[n][j] = min(sp[n][j], sp[li[n][i]][j - 1]);
			ep[n][j] = max(ep[n][j], ep[li[n][i]][j - 1]);
		}
	}
	en[n] = c;
}
signed main()
{
	memset(sp, 10, sizeof(sp));
	memset(ep, -10, sizeof(ep));
	ios_base::sync_with_stdio(false);
	cin.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 = sp[cp][j - d[cp]];
				int rp = ep[cp][j - d[cp]];
				if (lp <= rp)
				{
					arr[j].upd(lp, rp, w, 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:59:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |  for (i = 0; i < li[n].size(); i++)
      |              ~~^~~~~~~~~~~~~~
sprinkler.cpp: In function 'int main()':
sprinkler.cpp:95:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   95 |   for (j = 0; j < dl[i].size(); j++)
      |               ~~^~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 94284 KB Output is correct
2 Correct 38 ms 94284 KB Output is correct
3 Correct 38 ms 94260 KB Output is correct
4 Correct 39 ms 94536 KB Output is correct
5 Correct 38 ms 94480 KB Output is correct
6 Correct 41 ms 94476 KB Output is correct
7 Correct 41 ms 94460 KB Output is correct
8 Correct 49 ms 94452 KB Output is correct
9 Correct 38 ms 94316 KB Output is correct
10 Correct 38 ms 94284 KB Output is correct
11 Correct 37 ms 94332 KB Output is correct
12 Correct 37 ms 94288 KB Output is correct
13 Correct 38 ms 94232 KB Output is correct
14 Correct 37 ms 94308 KB Output is correct
15 Correct 45 ms 94344 KB Output is correct
16 Correct 47 ms 94252 KB Output is correct
17 Correct 41 ms 94252 KB Output is correct
18 Correct 37 ms 94268 KB Output is correct
19 Correct 38 ms 94224 KB Output is correct
20 Correct 38 ms 94316 KB Output is correct
21 Correct 38 ms 94224 KB Output is correct
22 Correct 40 ms 94336 KB Output is correct
23 Correct 47 ms 94344 KB Output is correct
24 Correct 46 ms 94312 KB Output is correct
25 Correct 37 ms 94364 KB Output is correct
26 Correct 37 ms 94288 KB Output is correct
27 Correct 37 ms 94244 KB Output is correct
28 Correct 42 ms 94280 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 94284 KB Output is correct
2 Correct 492 ms 128576 KB Output is correct
3 Correct 641 ms 128404 KB Output is correct
4 Correct 654 ms 138728 KB Output is correct
5 Correct 538 ms 126760 KB Output is correct
6 Correct 611 ms 126040 KB Output is correct
7 Correct 578 ms 125964 KB Output is correct
8 Correct 464 ms 125868 KB Output is correct
9 Correct 555 ms 148528 KB Output is correct
10 Correct 623 ms 144096 KB Output is correct
11 Correct 465 ms 127984 KB Output is correct
12 Correct 612 ms 125696 KB Output is correct
13 Correct 407 ms 128308 KB Output is correct
14 Correct 478 ms 128912 KB Output is correct
15 Correct 506 ms 128408 KB Output is correct
16 Correct 508 ms 128360 KB Output is correct
17 Correct 523 ms 128492 KB Output is correct
18 Correct 39 ms 94292 KB Output is correct
19 Correct 47 ms 94280 KB Output is correct
20 Correct 38 ms 94292 KB Output is correct
21 Correct 41 ms 94320 KB Output is correct
22 Correct 42 ms 94328 KB Output is correct

Subtask #3
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 94284 KB Output is correct
2 Correct 492 ms 128576 KB Output is correct
3 Correct 641 ms 128404 KB Output is correct
4 Correct 654 ms 138728 KB Output is correct
5 Correct 538 ms 126760 KB Output is correct
6 Correct 611 ms 126040 KB Output is correct
7 Correct 578 ms 125964 KB Output is correct
8 Correct 464 ms 125868 KB Output is correct
9 Correct 555 ms 148528 KB Output is correct
10 Correct 623 ms 144096 KB Output is correct
11 Correct 465 ms 127984 KB Output is correct
12 Correct 612 ms 125696 KB Output is correct
13 Correct 407 ms 128308 KB Output is correct
14 Correct 478 ms 128912 KB Output is correct
15 Correct 506 ms 128408 KB Output is correct
16 Correct 508 ms 128360 KB Output is correct
17 Correct 523 ms 128492 KB Output is correct
18 Correct 39 ms 94292 KB Output is correct
19 Correct 47 ms 94280 KB Output is correct
20 Correct 38 ms 94292 KB Output is correct
21 Correct 41 ms 94320 KB Output is correct
22 Correct 42 ms 94328 KB Output is correct
23 Correct 39 ms 94292 KB Output is correct
24 Correct 484 ms 128568 KB Output is correct
25 Correct 816 ms 125884 KB Output is correct
26 Correct 621 ms 146704 KB Output is correct
27 Correct 594 ms 127312 KB Output is correct
28 Correct 638 ms 127016 KB Output is correct
29 Correct 646 ms 127212 KB Output is correct
30 Correct 495 ms 126764 KB Output is correct
31 Correct 555 ms 141924 KB Output is correct
32 Correct 633 ms 144328 KB Output is correct
33 Correct 505 ms 128900 KB Output is correct
34 Correct 772 ms 125708 KB Output is correct
35 Correct 37 ms 94332 KB Output is correct
36 Correct 44 ms 94360 KB Output is correct
37 Correct 40 ms 94284 KB Output is correct
38 Correct 38 ms 94356 KB Output is correct
39 Correct 39 ms 94284 KB Output is correct
40 Correct 39 ms 94284 KB Output is correct
41 Correct 41 ms 94256 KB Output is correct
42 Correct 38 ms 94260 KB Output is correct
43 Correct 44 ms 94280 KB Output is correct
44 Correct 37 ms 94264 KB Output is correct
45 Correct 37 ms 94340 KB Output is correct
46 Correct 37 ms 94252 KB Output is correct
47 Correct 41 ms 94280 KB Output is correct
48 Correct 39 ms 94324 KB Output is correct
49 Correct 38 ms 94416 KB Output is correct

Subtask #4
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 38 ms 94300 KB Output is correct
2 Correct 689 ms 141804 KB Output is correct
3 Correct 2794 ms 135176 KB Output is correct
4 Correct 1154 ms 136692 KB Output is correct
5 Correct 1732 ms 121104 KB Output is correct
6 Correct 1268 ms 120700 KB Output is correct
7 Correct 851 ms 121520 KB Output is correct
8 Correct 419 ms 120760 KB Output is correct
9 Correct 787 ms 134864 KB Output is correct
10 Correct 2473 ms 139144 KB Output is correct
11 Correct 989 ms 121760 KB Output is correct
12 Execution timed out 4097 ms 120964 KB Time limit exceeded
13 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 49 ms 94292 KB Output is correct
2 Correct 915 ms 136408 KB Output is correct
3 Correct 3413 ms 130040 KB Output is correct
4 Correct 1324 ms 133728 KB Output is correct
5 Correct 1780 ms 123028 KB Output is correct
6 Correct 1101 ms 122900 KB Output is correct
7 Correct 897 ms 121796 KB Output is correct
8 Correct 412 ms 122064 KB Output is correct
9 Correct 762 ms 143048 KB Output is correct
10 Correct 2519 ms 140184 KB Output is correct
11 Correct 1057 ms 124120 KB Output is correct
12 Execution timed out 4043 ms 121720 KB Time limit exceeded
13 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 94284 KB Output is correct
2 Correct 38 ms 94284 KB Output is correct
3 Correct 38 ms 94260 KB Output is correct
4 Correct 39 ms 94536 KB Output is correct
5 Correct 38 ms 94480 KB Output is correct
6 Correct 41 ms 94476 KB Output is correct
7 Correct 41 ms 94460 KB Output is correct
8 Correct 49 ms 94452 KB Output is correct
9 Correct 38 ms 94316 KB Output is correct
10 Correct 38 ms 94284 KB Output is correct
11 Correct 37 ms 94332 KB Output is correct
12 Correct 37 ms 94288 KB Output is correct
13 Correct 38 ms 94232 KB Output is correct
14 Correct 37 ms 94308 KB Output is correct
15 Correct 45 ms 94344 KB Output is correct
16 Correct 47 ms 94252 KB Output is correct
17 Correct 41 ms 94252 KB Output is correct
18 Correct 37 ms 94268 KB Output is correct
19 Correct 38 ms 94224 KB Output is correct
20 Correct 38 ms 94316 KB Output is correct
21 Correct 38 ms 94224 KB Output is correct
22 Correct 40 ms 94336 KB Output is correct
23 Correct 47 ms 94344 KB Output is correct
24 Correct 46 ms 94312 KB Output is correct
25 Correct 37 ms 94364 KB Output is correct
26 Correct 37 ms 94288 KB Output is correct
27 Correct 37 ms 94244 KB Output is correct
28 Correct 42 ms 94280 KB Output is correct
29 Correct 44 ms 94284 KB Output is correct
30 Correct 492 ms 128576 KB Output is correct
31 Correct 641 ms 128404 KB Output is correct
32 Correct 654 ms 138728 KB Output is correct
33 Correct 538 ms 126760 KB Output is correct
34 Correct 611 ms 126040 KB Output is correct
35 Correct 578 ms 125964 KB Output is correct
36 Correct 464 ms 125868 KB Output is correct
37 Correct 555 ms 148528 KB Output is correct
38 Correct 623 ms 144096 KB Output is correct
39 Correct 465 ms 127984 KB Output is correct
40 Correct 612 ms 125696 KB Output is correct
41 Correct 407 ms 128308 KB Output is correct
42 Correct 478 ms 128912 KB Output is correct
43 Correct 506 ms 128408 KB Output is correct
44 Correct 508 ms 128360 KB Output is correct
45 Correct 523 ms 128492 KB Output is correct
46 Correct 39 ms 94292 KB Output is correct
47 Correct 47 ms 94280 KB Output is correct
48 Correct 38 ms 94292 KB Output is correct
49 Correct 41 ms 94320 KB Output is correct
50 Correct 42 ms 94328 KB Output is correct
51 Correct 39 ms 94292 KB Output is correct
52 Correct 484 ms 128568 KB Output is correct
53 Correct 816 ms 125884 KB Output is correct
54 Correct 621 ms 146704 KB Output is correct
55 Correct 594 ms 127312 KB Output is correct
56 Correct 638 ms 127016 KB Output is correct
57 Correct 646 ms 127212 KB Output is correct
58 Correct 495 ms 126764 KB Output is correct
59 Correct 555 ms 141924 KB Output is correct
60 Correct 633 ms 144328 KB Output is correct
61 Correct 505 ms 128900 KB Output is correct
62 Correct 772 ms 125708 KB Output is correct
63 Correct 37 ms 94332 KB Output is correct
64 Correct 44 ms 94360 KB Output is correct
65 Correct 40 ms 94284 KB Output is correct
66 Correct 38 ms 94356 KB Output is correct
67 Correct 39 ms 94284 KB Output is correct
68 Correct 39 ms 94284 KB Output is correct
69 Correct 41 ms 94256 KB Output is correct
70 Correct 38 ms 94260 KB Output is correct
71 Correct 44 ms 94280 KB Output is correct
72 Correct 37 ms 94264 KB Output is correct
73 Correct 37 ms 94340 KB Output is correct
74 Correct 37 ms 94252 KB Output is correct
75 Correct 41 ms 94280 KB Output is correct
76 Correct 39 ms 94324 KB Output is correct
77 Correct 38 ms 94416 KB Output is correct
78 Correct 38 ms 94300 KB Output is correct
79 Correct 689 ms 141804 KB Output is correct
80 Correct 2794 ms 135176 KB Output is correct
81 Correct 1154 ms 136692 KB Output is correct
82 Correct 1732 ms 121104 KB Output is correct
83 Correct 1268 ms 120700 KB Output is correct
84 Correct 851 ms 121520 KB Output is correct
85 Correct 419 ms 120760 KB Output is correct
86 Correct 787 ms 134864 KB Output is correct
87 Correct 2473 ms 139144 KB Output is correct
88 Correct 989 ms 121760 KB Output is correct
89 Execution timed out 4097 ms 120964 KB Time limit exceeded
90 Halted 0 ms 0 KB -