oj.uz

Submission #912792

# Submission time Handle Problem Language Result Execution time Memory
912792 2024-01-19T23:02:26 Z OAleksa Birthday gift (IZhO18_treearray) C++14
100 / 100
 966 ms 99664 KB 
#include <bits/stdc++.h>
//ako ovaj vaso daso misli da me pobedjuje.....
using namespace std;
#define int long long
#define f first
#define s second
const int N = 2e5 + 69;
const int K = 18;
int up[N][K], a[N], tin[N], tout[N], timer, m;
int n, q;
vector<int> g[N];
set<int> st1[N], st2[N];
bool anc(int u, int v) {
	return tin[u] <= tin[v] && tout[u] >= tout[v];
}
int Lca(int a, int b) {
	if (anc(a, b))
		return a;
	else if (anc(b, a))
		return b;
	for (int i = K - 1;i >= 0;i--) {
		if (!anc(up[a][i], b) && up[a][i] > 0)
			a = up[a][i];
	}
	return up[a][0];
}
void dfs(int v, int p) {
	tin[v] = ++timer;
	up[v][0] = p;
	for (int i = 1;i < K;i++)
		up[v][i] = up[up[v][i - 1]][i - 1];
	for (auto u : g[v]) {
		if (u == p)
			continue;
		dfs(u, v);
	}
	tout[v] = timer;
}

signed main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int tt = 1;
  //cin >> tt;
  while (tt--) {
  	cin >> n >> m >> q;
  	for (int i = 1;i <= n - 1;i++) {
  		int a, b;
  		cin >> a >> b;
  		g[a].push_back(b);
  		g[b].push_back(a);
  	}
  	dfs(1, 0);
  	for (int i = 1;i <= m;i++) {
  		cin >> a[i];
  		st1[a[i]].insert(i);
  	}
  	for (int i = 2;i <= m;i++) {
  		int x = Lca(a[i], a[i - 1]);
  		st2[x].insert(i);
  	}
  	while (q--) {
  		int t;
  		cin >> t;
  		if (t == 1) {
  			int i, v;
  			cin >> i >> v;
  			int lc;
  			if (i > 1) {
  				lc = Lca(a[i], a[i - 1]);
  				st2[lc].erase(i);
  			}
  			if (i < m) {
  				lc = Lca(a[i], a[i + 1]);
  				st2[lc].erase(i + 1);
  			}
  			st1[a[i]].erase(i);
  			a[i] = v;
  			st1[a[i]].insert(i);
  			if (i > 1) {
  				lc = Lca(a[i], a[i - 1]);
  				st2[lc].insert(i);
  			}
  			if (i < m) {
  				lc = Lca(a[i], a[i + 1]);
  				st2[lc].insert(i + 1);
  			}
  		}
  		else {
  			int l, r, v;
  			cin >> l >> r >> v;
  			int x = -1, y = -1;
  			auto u1 = st1[v].lower_bound(l);
  			auto u2 = st2[v].lower_bound(l + 1);
  			if (u1 != st1[v].end() && *u1 <= r) 
  				x = y = *u1;
  			else if (u2 != st2[v].end() && *u2 <= r) {
  				y = *u2;
  				x = y - 1;
  			}
  			cout << x << ' ' << y << '\n';
  		}
  	}
	}
  return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 29276 KB n=5
2 Correct 7 ms 29272 KB n=100
3 Correct 7 ms 29276 KB n=100
4 Correct 8 ms 29276 KB n=100
5 Correct 8 ms 29276 KB n=100
6 Correct 8 ms 29276 KB n=100
7 Correct 7 ms 29376 KB n=100
8 Correct 7 ms 29276 KB n=100
9 Correct 8 ms 29688 KB n=100
10 Correct 9 ms 29276 KB n=100
11 Correct 8 ms 29276 KB n=100
12 Correct 8 ms 29276 KB n=100
13 Correct 9 ms 29272 KB n=100
14 Correct 8 ms 29276 KB n=100
15 Correct 7 ms 29276 KB n=100
16 Correct 8 ms 29272 KB n=100
17 Correct 7 ms 29276 KB n=100
18 Correct 8 ms 29272 KB n=100
19 Correct 9 ms 29532 KB n=100
20 Correct 7 ms 29272 KB n=100
21 Correct 7 ms 29272 KB n=100
22 Correct 8 ms 29276 KB n=100
23 Correct 7 ms 29276 KB n=100
24 Correct 8 ms 29276 KB n=100
25 Correct 8 ms 29276 KB n=100
26 Correct 8 ms 29276 KB n=12
27 Correct 7 ms 29276 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 29276 KB n=5
2 Correct 7 ms 29272 KB n=100
3 Correct 7 ms 29276 KB n=100
4 Correct 8 ms 29276 KB n=100
5 Correct 8 ms 29276 KB n=100
6 Correct 8 ms 29276 KB n=100
7 Correct 7 ms 29376 KB n=100
8 Correct 7 ms 29276 KB n=100
9 Correct 8 ms 29688 KB n=100
10 Correct 9 ms 29276 KB n=100
11 Correct 8 ms 29276 KB n=100
12 Correct 8 ms 29276 KB n=100
13 Correct 9 ms 29272 KB n=100
14 Correct 8 ms 29276 KB n=100
15 Correct 7 ms 29276 KB n=100
16 Correct 8 ms 29272 KB n=100
17 Correct 7 ms 29276 KB n=100
18 Correct 8 ms 29272 KB n=100
19 Correct 9 ms 29532 KB n=100
20 Correct 7 ms 29272 KB n=100
21 Correct 7 ms 29272 KB n=100
22 Correct 8 ms 29276 KB n=100
23 Correct 7 ms 29276 KB n=100
24 Correct 8 ms 29276 KB n=100
25 Correct 8 ms 29276 KB n=100
26 Correct 8 ms 29276 KB n=12
27 Correct 7 ms 29276 KB n=100
28 Correct 8 ms 29272 KB n=500
29 Correct 8 ms 29276 KB n=500
30 Correct 9 ms 29532 KB n=500
31 Correct 8 ms 29276 KB n=500
32 Correct 8 ms 29276 KB n=500
33 Correct 7 ms 29276 KB n=500
34 Correct 7 ms 29276 KB n=500
35 Correct 8 ms 29372 KB n=500
36 Correct 8 ms 29276 KB n=500
37 Correct 7 ms 29272 KB n=500
38 Correct 10 ms 29788 KB n=500
39 Correct 8 ms 29272 KB n=500
40 Correct 8 ms 29276 KB n=500
41 Correct 8 ms 29276 KB n=500
42 Correct 8 ms 29276 KB n=500
43 Correct 7 ms 29276 KB n=500
44 Correct 8 ms 29276 KB n=500
45 Correct 7 ms 29528 KB n=500
46 Correct 7 ms 29276 KB n=500
47 Correct 8 ms 29364 KB n=500
48 Correct 8 ms 29428 KB n=500
49 Correct 9 ms 29276 KB n=500
50 Correct 9 ms 29276 KB n=500
51 Correct 9 ms 29272 KB n=500
52 Correct 8 ms 29276 KB n=500
53 Correct 8 ms 29276 KB n=500
54 Correct 9 ms 29276 KB n=500
55 Correct 8 ms 29388 KB n=278
56 Correct 7 ms 29276 KB n=500
57 Correct 8 ms 29272 KB n=500
58 Correct 8 ms 29276 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 29276 KB n=5
2 Correct 7 ms 29272 KB n=100
3 Correct 7 ms 29276 KB n=100
4 Correct 8 ms 29276 KB n=100
5 Correct 8 ms 29276 KB n=100
6 Correct 8 ms 29276 KB n=100
7 Correct 7 ms 29376 KB n=100
8 Correct 7 ms 29276 KB n=100
9 Correct 8 ms 29688 KB n=100
10 Correct 9 ms 29276 KB n=100
11 Correct 8 ms 29276 KB n=100
12 Correct 8 ms 29276 KB n=100
13 Correct 9 ms 29272 KB n=100
14 Correct 8 ms 29276 KB n=100
15 Correct 7 ms 29276 KB n=100
16 Correct 8 ms 29272 KB n=100
17 Correct 7 ms 29276 KB n=100
18 Correct 8 ms 29272 KB n=100
19 Correct 9 ms 29532 KB n=100
20 Correct 7 ms 29272 KB n=100
21 Correct 7 ms 29272 KB n=100
22 Correct 8 ms 29276 KB n=100
23 Correct 7 ms 29276 KB n=100
24 Correct 8 ms 29276 KB n=100
25 Correct 8 ms 29276 KB n=100
26 Correct 8 ms 29276 KB n=12
27 Correct 7 ms 29276 KB n=100
28 Correct 8 ms 29272 KB n=500
29 Correct 8 ms 29276 KB n=500
30 Correct 9 ms 29532 KB n=500
31 Correct 8 ms 29276 KB n=500
32 Correct 8 ms 29276 KB n=500
33 Correct 7 ms 29276 KB n=500
34 Correct 7 ms 29276 KB n=500
35 Correct 8 ms 29372 KB n=500
36 Correct 8 ms 29276 KB n=500
37 Correct 7 ms 29272 KB n=500
38 Correct 10 ms 29788 KB n=500
39 Correct 8 ms 29272 KB n=500
40 Correct 8 ms 29276 KB n=500
41 Correct 8 ms 29276 KB n=500
42 Correct 8 ms 29276 KB n=500
43 Correct 7 ms 29276 KB n=500
44 Correct 8 ms 29276 KB n=500
45 Correct 7 ms 29528 KB n=500
46 Correct 7 ms 29276 KB n=500
47 Correct 8 ms 29364 KB n=500
48 Correct 8 ms 29428 KB n=500
49 Correct 9 ms 29276 KB n=500
50 Correct 9 ms 29276 KB n=500
51 Correct 9 ms 29272 KB n=500
52 Correct 8 ms 29276 KB n=500
53 Correct 8 ms 29276 KB n=500
54 Correct 9 ms 29276 KB n=500
55 Correct 8 ms 29388 KB n=278
56 Correct 7 ms 29276 KB n=500
57 Correct 8 ms 29272 KB n=500
58 Correct 8 ms 29276 KB n=500
59 Correct 9 ms 29528 KB n=2000
60 Correct 9 ms 29588 KB n=2000
61 Correct 9 ms 29528 KB n=2000
62 Correct 9 ms 29532 KB n=2000
63 Correct 10 ms 29784 KB n=2000
64 Correct 10 ms 29532 KB n=2000
65 Correct 10 ms 29532 KB n=2000
66 Correct 9 ms 29532 KB n=2000
67 Correct 10 ms 29532 KB n=2000
68 Correct 10 ms 29528 KB n=2000
69 Correct 10 ms 29532 KB n=2000
70 Correct 9 ms 29528 KB n=2000
71 Correct 10 ms 29532 KB n=2000
72 Correct 10 ms 29532 KB n=2000
73 Correct 9 ms 29532 KB n=2000
74 Correct 10 ms 29528 KB n=1844
75 Correct 10 ms 29528 KB n=2000
76 Correct 10 ms 29532 KB n=2000
77 Correct 10 ms 29532 KB n=2000
78 Correct 11 ms 29532 KB n=2000
79 Correct 10 ms 29528 KB n=2000
80 Correct 9 ms 29532 KB n=2000
81 Correct 9 ms 29532 KB n=2000
82 Correct 9 ms 29532 KB n=2000
83 Correct 9 ms 29532 KB n=2000
84 Correct 9 ms 29532 KB n=2000
85 Correct 11 ms 29528 KB n=2000
86 Correct 10 ms 29656 KB n=2000
87 Correct 10 ms 29640 KB n=2000
88 Correct 9 ms 29532 KB n=2000
89 Correct 10 ms 29532 KB n=2000
90 Correct 10 ms 29712 KB n=2000
91 Correct 10 ms 29532 KB n=2000

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 29276 KB n=5
2 Correct 7 ms 29272 KB n=100
3 Correct 7 ms 29276 KB n=100
4 Correct 8 ms 29276 KB n=100
5 Correct 8 ms 29276 KB n=100
6 Correct 8 ms 29276 KB n=100
7 Correct 7 ms 29376 KB n=100
8 Correct 7 ms 29276 KB n=100
9 Correct 8 ms 29688 KB n=100
10 Correct 9 ms 29276 KB n=100
11 Correct 8 ms 29276 KB n=100
12 Correct 8 ms 29276 KB n=100
13 Correct 9 ms 29272 KB n=100
14 Correct 8 ms 29276 KB n=100
15 Correct 7 ms 29276 KB n=100
16 Correct 8 ms 29272 KB n=100
17 Correct 7 ms 29276 KB n=100
18 Correct 8 ms 29272 KB n=100
19 Correct 9 ms 29532 KB n=100
20 Correct 7 ms 29272 KB n=100
21 Correct 7 ms 29272 KB n=100
22 Correct 8 ms 29276 KB n=100
23 Correct 7 ms 29276 KB n=100
24 Correct 8 ms 29276 KB n=100
25 Correct 8 ms 29276 KB n=100
26 Correct 8 ms 29276 KB n=12
27 Correct 7 ms 29276 KB n=100
28 Correct 8 ms 29272 KB n=500
29 Correct 8 ms 29276 KB n=500
30 Correct 9 ms 29532 KB n=500
31 Correct 8 ms 29276 KB n=500
32 Correct 8 ms 29276 KB n=500
33 Correct 7 ms 29276 KB n=500
34 Correct 7 ms 29276 KB n=500
35 Correct 8 ms 29372 KB n=500
36 Correct 8 ms 29276 KB n=500
37 Correct 7 ms 29272 KB n=500
38 Correct 10 ms 29788 KB n=500
39 Correct 8 ms 29272 KB n=500
40 Correct 8 ms 29276 KB n=500
41 Correct 8 ms 29276 KB n=500
42 Correct 8 ms 29276 KB n=500
43 Correct 7 ms 29276 KB n=500
44 Correct 8 ms 29276 KB n=500
45 Correct 7 ms 29528 KB n=500
46 Correct 7 ms 29276 KB n=500
47 Correct 8 ms 29364 KB n=500
48 Correct 8 ms 29428 KB n=500
49 Correct 9 ms 29276 KB n=500
50 Correct 9 ms 29276 KB n=500
51 Correct 9 ms 29272 KB n=500
52 Correct 8 ms 29276 KB n=500
53 Correct 8 ms 29276 KB n=500
54 Correct 9 ms 29276 KB n=500
55 Correct 8 ms 29388 KB n=278
56 Correct 7 ms 29276 KB n=500
57 Correct 8 ms 29272 KB n=500
58 Correct 8 ms 29276 KB n=500
59 Correct 9 ms 29528 KB n=2000
60 Correct 9 ms 29588 KB n=2000
61 Correct 9 ms 29528 KB n=2000
62 Correct 9 ms 29532 KB n=2000
63 Correct 10 ms 29784 KB n=2000
64 Correct 10 ms 29532 KB n=2000
65 Correct 10 ms 29532 KB n=2000
66 Correct 9 ms 29532 KB n=2000
67 Correct 10 ms 29532 KB n=2000
68 Correct 10 ms 29528 KB n=2000
69 Correct 10 ms 29532 KB n=2000
70 Correct 9 ms 29528 KB n=2000
71 Correct 10 ms 29532 KB n=2000
72 Correct 10 ms 29532 KB n=2000
73 Correct 9 ms 29532 KB n=2000
74 Correct 10 ms 29528 KB n=1844
75 Correct 10 ms 29528 KB n=2000
76 Correct 10 ms 29532 KB n=2000
77 Correct 10 ms 29532 KB n=2000
78 Correct 11 ms 29532 KB n=2000
79 Correct 10 ms 29528 KB n=2000
80 Correct 9 ms 29532 KB n=2000
81 Correct 9 ms 29532 KB n=2000
82 Correct 9 ms 29532 KB n=2000
83 Correct 9 ms 29532 KB n=2000
84 Correct 9 ms 29532 KB n=2000
85 Correct 11 ms 29528 KB n=2000
86 Correct 10 ms 29656 KB n=2000
87 Correct 10 ms 29640 KB n=2000
88 Correct 9 ms 29532 KB n=2000
89 Correct 10 ms 29532 KB n=2000
90 Correct 10 ms 29712 KB n=2000
91 Correct 10 ms 29532 KB n=2000
92 Correct 673 ms 84688 KB n=200000
93 Correct 819 ms 91952 KB n=200000
94 Correct 559 ms 99136 KB n=200000
95 Correct 574 ms 90936 KB n=200000
96 Correct 626 ms 91032 KB n=200000
97 Correct 847 ms 95232 KB n=200000
98 Correct 642 ms 90984 KB n=200000
99 Correct 692 ms 91476 KB n=200000
100 Correct 631 ms 90908 KB n=200000
101 Correct 523 ms 99664 KB n=200000
102 Correct 388 ms 92364 KB n=200000
103 Correct 365 ms 92264 KB n=200000
104 Correct 386 ms 92160 KB n=200000
105 Correct 356 ms 92784 KB n=200000
106 Correct 383 ms 92752 KB n=200000
107 Correct 359 ms 92680 KB n=200000
108 Correct 649 ms 91240 KB n=200000
109 Correct 636 ms 91028 KB n=200000
110 Correct 661 ms 91256 KB n=200000
111 Correct 631 ms 90216 KB n=200000
112 Correct 519 ms 99104 KB n=200000
113 Correct 833 ms 94984 KB n=200000
114 Correct 636 ms 90304 KB n=200000
115 Correct 966 ms 93320 KB n=200000
116 Correct 598 ms 91448 KB n=200000
117 Correct 518 ms 99348 KB n=200000
118 Correct 876 ms 94036 KB n=200000
119 Correct 612 ms 91212 KB n=200000
120 Correct 468 ms 98752 KB n=200000
121 Correct 447 ms 99152 KB n=200000
122 Correct 433 ms 99068 KB n=200000
123 Correct 447 ms 92388 KB n=200000
124 Correct 139 ms 45904 KB n=25264