oj.uz

Submission #92366

# Submission time Handle Problem Language Result Execution time Memory
92366 2019-01-02T16:08:24 Z Nodir_Bobiev Birthday gift (IZhO18_treearray) C++14
56 / 100
 4000 ms 22492 KB 
# include <iostream>
# include <vector>

using namespace std;

const int N = 2e5 + 100;

int n, m, q;
int p[N];
int g[N] = {-1};
int a[N];
vector < int > gr[N];

void dfs(int v, int f)
{
	g[v] = g[f] + 1;
	p[v] = f;
	for(auto to: gr[v])
		if(to != f)
			dfs(to, v);
}

int lca(int v, int u)
{
	if(g[v] > g[u]) return lca(p[v], u);
	if(g[v] < g[u]) return lca(v, p[u]);
	if(v != u) return lca(p[v], u);
	return v;
}

int main()
{
	
	cin >> n >> m >> q;
	for (int i = 1; i <= n - 1; i++){
		int v, u;
		cin >> v >> u;
		gr[v].push_back(u);
		gr[u].push_back(v);
	}
	
	for (int i = 1; i <= m; i++)
		cin >> a[i];
	
	dfs(1, 0);
		
	while(q--){
		int t;
		cin >> t;
		if(t == 1){
			int pos, v;
			cin >> pos >> v;
			a[pos] = v;
		}
		else{
			int l, r, v, l1 = -1, r1 = -1;
			cin >> l >> r >> v;
			//cout << l << ' ' << r << ' ' << v << endl;
			for (int x = l; x <= r; x++){
				//cout << '\t' << lca(a[x], a[x + 1]) << endl;
				if(x != r && lca(a[x], a[x + 1]) == v){
					l1 = x; r1 = x + 1;
					break;
				}
				else if(a[x] == v){
					l1 = x; r1 = x;
					break;
				}
			}
			cout << l1 << ' ' << r1 << endl;
		}
	}
}

/*

5 4 4
1 2
3 1
3 4
5 3
4 5 2 3 
2 1 3 1
1 3 5
2 3 4 5
2 1 3 1

*/

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5112 KB n=5
2 Correct 6 ms 5112 KB n=100
3 Correct 6 ms 4984 KB n=100
4 Correct 6 ms 5112 KB n=100
5 Correct 6 ms 4984 KB n=100
6 Correct 6 ms 5116 KB n=100
7 Correct 6 ms 4984 KB n=100
8 Correct 6 ms 4984 KB n=100
9 Correct 6 ms 4984 KB n=100
10 Correct 6 ms 5112 KB n=100
11 Correct 6 ms 4988 KB n=100
12 Correct 6 ms 5112 KB n=100
13 Correct 6 ms 5112 KB n=100
14 Correct 6 ms 4984 KB n=100
15 Correct 6 ms 5112 KB n=100
16 Correct 6 ms 5112 KB n=100
17 Correct 6 ms 4984 KB n=100
18 Correct 6 ms 4984 KB n=100
19 Correct 6 ms 5112 KB n=100
20 Correct 6 ms 5112 KB n=100
21 Correct 6 ms 5112 KB n=100
22 Correct 6 ms 4984 KB n=100
23 Correct 6 ms 5116 KB n=100
24 Correct 6 ms 4984 KB n=100
25 Correct 6 ms 4984 KB n=100
26 Correct 6 ms 4984 KB n=12
27 Correct 6 ms 4984 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5112 KB n=5
2 Correct 6 ms 5112 KB n=100
3 Correct 6 ms 4984 KB n=100
4 Correct 6 ms 5112 KB n=100
5 Correct 6 ms 4984 KB n=100
6 Correct 6 ms 5116 KB n=100
7 Correct 6 ms 4984 KB n=100
8 Correct 6 ms 4984 KB n=100
9 Correct 6 ms 4984 KB n=100
10 Correct 6 ms 5112 KB n=100
11 Correct 6 ms 4988 KB n=100
12 Correct 6 ms 5112 KB n=100
13 Correct 6 ms 5112 KB n=100
14 Correct 6 ms 4984 KB n=100
15 Correct 6 ms 5112 KB n=100
16 Correct 6 ms 5112 KB n=100
17 Correct 6 ms 4984 KB n=100
18 Correct 6 ms 4984 KB n=100
19 Correct 6 ms 5112 KB n=100
20 Correct 6 ms 5112 KB n=100
21 Correct 6 ms 5112 KB n=100
22 Correct 6 ms 4984 KB n=100
23 Correct 6 ms 5116 KB n=100
24 Correct 6 ms 4984 KB n=100
25 Correct 6 ms 4984 KB n=100
26 Correct 6 ms 4984 KB n=12
27 Correct 6 ms 4984 KB n=100
28 Correct 6 ms 4984 KB n=500
29 Correct 15 ms 5112 KB n=500
30 Correct 10 ms 5116 KB n=500
31 Correct 12 ms 4984 KB n=500
32 Correct 7 ms 5112 KB n=500
33 Correct 8 ms 5112 KB n=500
34 Correct 7 ms 5112 KB n=500
35 Correct 13 ms 5112 KB n=500
36 Correct 10 ms 4984 KB n=500
37 Correct 10 ms 5112 KB n=500
38 Correct 11 ms 5112 KB n=500
39 Correct 9 ms 5112 KB n=500
40 Correct 9 ms 5112 KB n=500
41 Correct 9 ms 4988 KB n=500
42 Correct 8 ms 4984 KB n=500
43 Correct 8 ms 4984 KB n=500
44 Correct 7 ms 4984 KB n=500
45 Correct 6 ms 4984 KB n=500
46 Correct 13 ms 5112 KB n=500
47 Correct 12 ms 5112 KB n=500
48 Correct 6 ms 4984 KB n=500
49 Correct 12 ms 5112 KB n=500
50 Correct 6 ms 4984 KB n=500
51 Correct 13 ms 5112 KB n=500
52 Correct 20 ms 5112 KB n=500
53 Correct 11 ms 5112 KB n=500
54 Correct 27 ms 5112 KB n=500
55 Correct 7 ms 5024 KB n=278
56 Correct 42 ms 5112 KB n=500
57 Correct 44 ms 5112 KB n=500
58 Correct 8 ms 5112 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5112 KB n=5
2 Correct 6 ms 5112 KB n=100
3 Correct 6 ms 4984 KB n=100
4 Correct 6 ms 5112 KB n=100
5 Correct 6 ms 4984 KB n=100
6 Correct 6 ms 5116 KB n=100
7 Correct 6 ms 4984 KB n=100
8 Correct 6 ms 4984 KB n=100
9 Correct 6 ms 4984 KB n=100
10 Correct 6 ms 5112 KB n=100
11 Correct 6 ms 4988 KB n=100
12 Correct 6 ms 5112 KB n=100
13 Correct 6 ms 5112 KB n=100
14 Correct 6 ms 4984 KB n=100
15 Correct 6 ms 5112 KB n=100
16 Correct 6 ms 5112 KB n=100
17 Correct 6 ms 4984 KB n=100
18 Correct 6 ms 4984 KB n=100
19 Correct 6 ms 5112 KB n=100
20 Correct 6 ms 5112 KB n=100
21 Correct 6 ms 5112 KB n=100
22 Correct 6 ms 4984 KB n=100
23 Correct 6 ms 5116 KB n=100
24 Correct 6 ms 4984 KB n=100
25 Correct 6 ms 4984 KB n=100
26 Correct 6 ms 4984 KB n=12
27 Correct 6 ms 4984 KB n=100
28 Correct 6 ms 4984 KB n=500
29 Correct 15 ms 5112 KB n=500
30 Correct 10 ms 5116 KB n=500
31 Correct 12 ms 4984 KB n=500
32 Correct 7 ms 5112 KB n=500
33 Correct 8 ms 5112 KB n=500
34 Correct 7 ms 5112 KB n=500
35 Correct 13 ms 5112 KB n=500
36 Correct 10 ms 4984 KB n=500
37 Correct 10 ms 5112 KB n=500
38 Correct 11 ms 5112 KB n=500
39 Correct 9 ms 5112 KB n=500
40 Correct 9 ms 5112 KB n=500
41 Correct 9 ms 4988 KB n=500
42 Correct 8 ms 4984 KB n=500
43 Correct 8 ms 4984 KB n=500
44 Correct 7 ms 4984 KB n=500
45 Correct 6 ms 4984 KB n=500
46 Correct 13 ms 5112 KB n=500
47 Correct 12 ms 5112 KB n=500
48 Correct 6 ms 4984 KB n=500
49 Correct 12 ms 5112 KB n=500
50 Correct 6 ms 4984 KB n=500
51 Correct 13 ms 5112 KB n=500
52 Correct 20 ms 5112 KB n=500
53 Correct 11 ms 5112 KB n=500
54 Correct 27 ms 5112 KB n=500
55 Correct 7 ms 5024 KB n=278
56 Correct 42 ms 5112 KB n=500
57 Correct 44 ms 5112 KB n=500
58 Correct 8 ms 5112 KB n=500
59 Correct 10 ms 5112 KB n=2000
60 Correct 436 ms 5264 KB n=2000
61 Correct 240 ms 5240 KB n=2000
62 Correct 80 ms 5112 KB n=2000
63 Correct 11 ms 5112 KB n=2000
64 Correct 139 ms 5240 KB n=2000
65 Correct 10 ms 5112 KB n=2000
66 Correct 341 ms 5248 KB n=2000
67 Correct 11 ms 5112 KB n=2000
68 Correct 181 ms 5224 KB n=2000
69 Correct 97 ms 5112 KB n=2000
70 Correct 94 ms 5112 KB n=2000
71 Correct 93 ms 5112 KB n=2000
72 Correct 55 ms 5180 KB n=2000
73 Correct 53 ms 5184 KB n=2000
74 Correct 10 ms 5112 KB n=1844
75 Correct 55 ms 5112 KB n=2000
76 Correct 50 ms 5112 KB n=2000
77 Correct 51 ms 5112 KB n=2000
78 Correct 51 ms 5112 KB n=2000
79 Correct 10 ms 5116 KB n=2000
80 Correct 308 ms 5240 KB n=2000
81 Correct 131 ms 5240 KB n=2000
82 Correct 10 ms 5112 KB n=2000
83 Correct 255 ms 5340 KB n=2000
84 Correct 16 ms 5112 KB n=2000
85 Correct 228 ms 5112 KB n=2000
86 Correct 194 ms 5112 KB n=2000
87 Correct 16 ms 5112 KB n=2000
88 Correct 2374 ms 5264 KB n=2000
89 Correct 2389 ms 5368 KB n=2000
90 Correct 1197 ms 5368 KB n=2000
91 Correct 64 ms 5112 KB n=2000

Subtask #4
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5112 KB n=5
2 Correct 6 ms 5112 KB n=100
3 Correct 6 ms 4984 KB n=100
4 Correct 6 ms 5112 KB n=100
5 Correct 6 ms 4984 KB n=100
6 Correct 6 ms 5116 KB n=100
7 Correct 6 ms 4984 KB n=100
8 Correct 6 ms 4984 KB n=100
9 Correct 6 ms 4984 KB n=100
10 Correct 6 ms 5112 KB n=100
11 Correct 6 ms 4988 KB n=100
12 Correct 6 ms 5112 KB n=100
13 Correct 6 ms 5112 KB n=100
14 Correct 6 ms 4984 KB n=100
15 Correct 6 ms 5112 KB n=100
16 Correct 6 ms 5112 KB n=100
17 Correct 6 ms 4984 KB n=100
18 Correct 6 ms 4984 KB n=100
19 Correct 6 ms 5112 KB n=100
20 Correct 6 ms 5112 KB n=100
21 Correct 6 ms 5112 KB n=100
22 Correct 6 ms 4984 KB n=100
23 Correct 6 ms 5116 KB n=100
24 Correct 6 ms 4984 KB n=100
25 Correct 6 ms 4984 KB n=100
26 Correct 6 ms 4984 KB n=12
27 Correct 6 ms 4984 KB n=100
28 Correct 6 ms 4984 KB n=500
29 Correct 15 ms 5112 KB n=500
30 Correct 10 ms 5116 KB n=500
31 Correct 12 ms 4984 KB n=500
32 Correct 7 ms 5112 KB n=500
33 Correct 8 ms 5112 KB n=500
34 Correct 7 ms 5112 KB n=500
35 Correct 13 ms 5112 KB n=500
36 Correct 10 ms 4984 KB n=500
37 Correct 10 ms 5112 KB n=500
38 Correct 11 ms 5112 KB n=500
39 Correct 9 ms 5112 KB n=500
40 Correct 9 ms 5112 KB n=500
41 Correct 9 ms 4988 KB n=500
42 Correct 8 ms 4984 KB n=500
43 Correct 8 ms 4984 KB n=500
44 Correct 7 ms 4984 KB n=500
45 Correct 6 ms 4984 KB n=500
46 Correct 13 ms 5112 KB n=500
47 Correct 12 ms 5112 KB n=500
48 Correct 6 ms 4984 KB n=500
49 Correct 12 ms 5112 KB n=500
50 Correct 6 ms 4984 KB n=500
51 Correct 13 ms 5112 KB n=500
52 Correct 20 ms 5112 KB n=500
53 Correct 11 ms 5112 KB n=500
54 Correct 27 ms 5112 KB n=500
55 Correct 7 ms 5024 KB n=278
56 Correct 42 ms 5112 KB n=500
57 Correct 44 ms 5112 KB n=500
58 Correct 8 ms 5112 KB n=500
59 Correct 10 ms 5112 KB n=2000
60 Correct 436 ms 5264 KB n=2000
61 Correct 240 ms 5240 KB n=2000
62 Correct 80 ms 5112 KB n=2000
63 Correct 11 ms 5112 KB n=2000
64 Correct 139 ms 5240 KB n=2000
65 Correct 10 ms 5112 KB n=2000
66 Correct 341 ms 5248 KB n=2000
67 Correct 11 ms 5112 KB n=2000
68 Correct 181 ms 5224 KB n=2000
69 Correct 97 ms 5112 KB n=2000
70 Correct 94 ms 5112 KB n=2000
71 Correct 93 ms 5112 KB n=2000
72 Correct 55 ms 5180 KB n=2000
73 Correct 53 ms 5184 KB n=2000
74 Correct 10 ms 5112 KB n=1844
75 Correct 55 ms 5112 KB n=2000
76 Correct 50 ms 5112 KB n=2000
77 Correct 51 ms 5112 KB n=2000
78 Correct 51 ms 5112 KB n=2000
79 Correct 10 ms 5116 KB n=2000
80 Correct 308 ms 5240 KB n=2000
81 Correct 131 ms 5240 KB n=2000
82 Correct 10 ms 5112 KB n=2000
83 Correct 255 ms 5340 KB n=2000
84 Correct 16 ms 5112 KB n=2000
85 Correct 228 ms 5112 KB n=2000
86 Correct 194 ms 5112 KB n=2000
87 Correct 16 ms 5112 KB n=2000
88 Correct 2374 ms 5264 KB n=2000
89 Correct 2389 ms 5368 KB n=2000
90 Correct 1197 ms 5368 KB n=2000
91 Correct 64 ms 5112 KB n=2000
92 Correct 624 ms 22008 KB n=200000
93 Execution timed out 4078 ms 22492 KB Time limit exceeded
94 Halted 0 ms 0 KB -