oj.uz

Submission #556050

# Submission time Handle Problem Language Result Execution time Memory
556050 2022-05-02T09:05:32 Z ngpin04 Birthday gift (IZhO18_treearray) C++14
100 / 100
 873 ms 103476 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define TASK ""
#define ALL(x) (x).begin(), (x).end() 
using namespace std;
template <typename T1, typename T2> bool mini(T1 &a, T2 b) {
	if (a > b) {a = b; return true;} return false;
}
template <typename T1, typename T2> bool maxi(T1 &a, T2 b) {
	if (a < b) {a = b; return true;} return false;
}
const int N = 2e5 + 5; 
const int oo = 1e9;
const long long ooo = 1e18;
const int mod = 1e9 + 7; // 998244353;
const long double pi = acos(-1);

vector <int> adj[N];
set <int> pos[N];
set <int> ind[N];

int T[2 * N][20];
int tin[N];
int h[N];
int a[N];
int n,m,q,timer;

int gethigh(int u, int v) {
	return (h[u] < h[v]) ? u : v;
}

int getlca(int u, int v) {
	int l = tin[u];
	int r = tin[v];
	if (l > r)
		swap(l, r);
	int d = __lg(r - l + 1);
	return gethigh(T[l][d], T[r - (1 << d) + 1][d]);
}

void dfs(int u, int p = -1) {
	tin[u] = ++timer;
	T[timer][0] = u;
	for (int v : adj[u]) if (v != p) {
		h[v] = h[u] + 1;
		dfs(v, u);
		T[++timer][0] = u;
	}
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	#ifdef ONLINE_JUDGE
	// freopen(TASK".inp","r",stdin);
	// freopen(TASK".out","w",stdout);
	#endif
	cin >> n >> m >> q;
	for (int i = 1; i < n; i++) {
		int u,v;
		cin >> u >> v;
		adj[u].push_back(v);
		adj[v].push_back(u);
	}

	dfs(1);

	for (int j = 1; j < 20; j++)
	for (int i = 1; i + (1 << j) - 1 <= timer; i++) 
		T[i][j] = gethigh(T[i][j - 1], T[i + (1 << (j - 1))][j - 1]);

	for (int i = 1; i <= m; i++) {
		cin >> a[i];
		if (i > 1)
			pos[getlca(a[i - 1], a[i])].insert(i - 1);
		ind[a[i]].insert(i);
	}

	while (q--) {
		int op; cin >> op;
		if (op == 1) {
			int i,v;
			cin >> i >> v;
			if (i > 1) {
				pos[getlca(a[i - 1], a[i])].erase(i - 1);
				pos[getlca(a[i - 1], v)].insert(i - 1);
			}
			if (i < m) {
				pos[getlca(a[i], a[i + 1])].erase(i);
				pos[getlca(v, a[i + 1])].insert(i);
			}

			ind[a[i]].erase(i);
			a[i] = v;	
			ind[a[i]].insert(i);
		} else {
			int l, r, v;
			cin >> l >> r >> v;
			auto it = pos[v].lower_bound(l);
			if (it == pos[v].end() || (*it) + 1 > r) {
				it = ind[v].lower_bound(l);
				if (it == ind[v].end() || (*it) > r) 
					cout << "-1 -1\n";
				else
					cout << (*it) << " " << (*it) << "\n";
			} else
				cout << (*it) << " " << (*it) + 1 << "\n";
		}
	}
	return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB n=5
2 Correct 11 ms 23808 KB n=100
3 Correct 11 ms 23832 KB n=100
4 Correct 11 ms 23808 KB n=100
5 Correct 12 ms 23764 KB n=100
6 Correct 12 ms 23764 KB n=100
7 Correct 12 ms 23764 KB n=100
8 Correct 12 ms 23764 KB n=100
9 Correct 12 ms 23764 KB n=100
10 Correct 13 ms 23764 KB n=100
11 Correct 12 ms 23872 KB n=100
12 Correct 12 ms 23764 KB n=100
13 Correct 12 ms 23852 KB n=100
14 Correct 12 ms 23844 KB n=100
15 Correct 12 ms 23852 KB n=100
16 Correct 12 ms 23804 KB n=100
17 Correct 12 ms 23808 KB n=100
18 Correct 13 ms 23824 KB n=100
19 Correct 11 ms 23796 KB n=100
20 Correct 12 ms 23792 KB n=100
21 Correct 12 ms 23764 KB n=100
22 Correct 11 ms 23764 KB n=100
23 Correct 12 ms 23764 KB n=100
24 Correct 14 ms 23800 KB n=100
25 Correct 12 ms 23764 KB n=100
26 Correct 12 ms 23912 KB n=12
27 Correct 12 ms 23776 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB n=5
2 Correct 11 ms 23808 KB n=100
3 Correct 11 ms 23832 KB n=100
4 Correct 11 ms 23808 KB n=100
5 Correct 12 ms 23764 KB n=100
6 Correct 12 ms 23764 KB n=100
7 Correct 12 ms 23764 KB n=100
8 Correct 12 ms 23764 KB n=100
9 Correct 12 ms 23764 KB n=100
10 Correct 13 ms 23764 KB n=100
11 Correct 12 ms 23872 KB n=100
12 Correct 12 ms 23764 KB n=100
13 Correct 12 ms 23852 KB n=100
14 Correct 12 ms 23844 KB n=100
15 Correct 12 ms 23852 KB n=100
16 Correct 12 ms 23804 KB n=100
17 Correct 12 ms 23808 KB n=100
18 Correct 13 ms 23824 KB n=100
19 Correct 11 ms 23796 KB n=100
20 Correct 12 ms 23792 KB n=100
21 Correct 12 ms 23764 KB n=100
22 Correct 11 ms 23764 KB n=100
23 Correct 12 ms 23764 KB n=100
24 Correct 14 ms 23800 KB n=100
25 Correct 12 ms 23764 KB n=100
26 Correct 12 ms 23912 KB n=12
27 Correct 12 ms 23776 KB n=100
28 Correct 13 ms 23944 KB n=500
29 Correct 12 ms 23888 KB n=500
30 Correct 12 ms 23892 KB n=500
31 Correct 12 ms 23892 KB n=500
32 Correct 13 ms 23892 KB n=500
33 Correct 12 ms 23892 KB n=500
34 Correct 12 ms 23948 KB n=500
35 Correct 13 ms 23996 KB n=500
36 Correct 12 ms 23892 KB n=500
37 Correct 12 ms 23948 KB n=500
38 Correct 12 ms 23892 KB n=500
39 Correct 12 ms 23892 KB n=500
40 Correct 12 ms 23940 KB n=500
41 Correct 12 ms 23876 KB n=500
42 Correct 13 ms 24020 KB n=500
43 Correct 13 ms 23900 KB n=500
44 Correct 12 ms 23892 KB n=500
45 Correct 13 ms 23904 KB n=500
46 Correct 12 ms 23932 KB n=500
47 Correct 12 ms 23976 KB n=500
48 Correct 12 ms 23892 KB n=500
49 Correct 14 ms 23944 KB n=500
50 Correct 12 ms 23924 KB n=500
51 Correct 13 ms 23952 KB n=500
52 Correct 13 ms 23972 KB n=500
53 Correct 12 ms 23892 KB n=500
54 Correct 13 ms 23892 KB n=500
55 Correct 12 ms 23892 KB n=278
56 Correct 13 ms 23892 KB n=500
57 Correct 12 ms 23972 KB n=500
58 Correct 12 ms 23892 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB n=5
2 Correct 11 ms 23808 KB n=100
3 Correct 11 ms 23832 KB n=100
4 Correct 11 ms 23808 KB n=100
5 Correct 12 ms 23764 KB n=100
6 Correct 12 ms 23764 KB n=100
7 Correct 12 ms 23764 KB n=100
8 Correct 12 ms 23764 KB n=100
9 Correct 12 ms 23764 KB n=100
10 Correct 13 ms 23764 KB n=100
11 Correct 12 ms 23872 KB n=100
12 Correct 12 ms 23764 KB n=100
13 Correct 12 ms 23852 KB n=100
14 Correct 12 ms 23844 KB n=100
15 Correct 12 ms 23852 KB n=100
16 Correct 12 ms 23804 KB n=100
17 Correct 12 ms 23808 KB n=100
18 Correct 13 ms 23824 KB n=100
19 Correct 11 ms 23796 KB n=100
20 Correct 12 ms 23792 KB n=100
21 Correct 12 ms 23764 KB n=100
22 Correct 11 ms 23764 KB n=100
23 Correct 12 ms 23764 KB n=100
24 Correct 14 ms 23800 KB n=100
25 Correct 12 ms 23764 KB n=100
26 Correct 12 ms 23912 KB n=12
27 Correct 12 ms 23776 KB n=100
28 Correct 13 ms 23944 KB n=500
29 Correct 12 ms 23888 KB n=500
30 Correct 12 ms 23892 KB n=500
31 Correct 12 ms 23892 KB n=500
32 Correct 13 ms 23892 KB n=500
33 Correct 12 ms 23892 KB n=500
34 Correct 12 ms 23948 KB n=500
35 Correct 13 ms 23996 KB n=500
36 Correct 12 ms 23892 KB n=500
37 Correct 12 ms 23948 KB n=500
38 Correct 12 ms 23892 KB n=500
39 Correct 12 ms 23892 KB n=500
40 Correct 12 ms 23940 KB n=500
41 Correct 12 ms 23876 KB n=500
42 Correct 13 ms 24020 KB n=500
43 Correct 13 ms 23900 KB n=500
44 Correct 12 ms 23892 KB n=500
45 Correct 13 ms 23904 KB n=500
46 Correct 12 ms 23932 KB n=500
47 Correct 12 ms 23976 KB n=500
48 Correct 12 ms 23892 KB n=500
49 Correct 14 ms 23944 KB n=500
50 Correct 12 ms 23924 KB n=500
51 Correct 13 ms 23952 KB n=500
52 Correct 13 ms 23972 KB n=500
53 Correct 12 ms 23892 KB n=500
54 Correct 13 ms 23892 KB n=500
55 Correct 12 ms 23892 KB n=278
56 Correct 13 ms 23892 KB n=500
57 Correct 12 ms 23972 KB n=500
58 Correct 12 ms 23892 KB n=500
59 Correct 14 ms 24460 KB n=2000
60 Correct 15 ms 24532 KB n=2000
61 Correct 16 ms 24592 KB n=2000
62 Correct 15 ms 24404 KB n=2000
63 Correct 15 ms 24532 KB n=2000
64 Correct 14 ms 24460 KB n=2000
65 Correct 15 ms 24412 KB n=2000
66 Correct 15 ms 24460 KB n=2000
67 Correct 15 ms 24360 KB n=2000
68 Correct 14 ms 24452 KB n=2000
69 Correct 14 ms 24432 KB n=2000
70 Correct 14 ms 24480 KB n=2000
71 Correct 15 ms 24428 KB n=2000
72 Correct 14 ms 24460 KB n=2000
73 Correct 14 ms 24404 KB n=2000
74 Correct 14 ms 24404 KB n=1844
75 Correct 14 ms 24464 KB n=2000
76 Correct 14 ms 24412 KB n=2000
77 Correct 16 ms 24404 KB n=2000
78 Correct 15 ms 24460 KB n=2000
79 Correct 15 ms 24404 KB n=2000
80 Correct 15 ms 24540 KB n=2000
81 Correct 14 ms 24404 KB n=2000
82 Correct 15 ms 24404 KB n=2000
83 Correct 14 ms 24532 KB n=2000
84 Correct 15 ms 24404 KB n=2000
85 Correct 15 ms 24456 KB n=2000
86 Correct 14 ms 24404 KB n=2000
87 Correct 15 ms 24408 KB n=2000
88 Correct 18 ms 24532 KB n=2000
89 Correct 15 ms 24532 KB n=2000
90 Correct 14 ms 24588 KB n=2000
91 Correct 15 ms 24464 KB n=2000

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB n=5
2 Correct 11 ms 23808 KB n=100
3 Correct 11 ms 23832 KB n=100
4 Correct 11 ms 23808 KB n=100
5 Correct 12 ms 23764 KB n=100
6 Correct 12 ms 23764 KB n=100
7 Correct 12 ms 23764 KB n=100
8 Correct 12 ms 23764 KB n=100
9 Correct 12 ms 23764 KB n=100
10 Correct 13 ms 23764 KB n=100
11 Correct 12 ms 23872 KB n=100
12 Correct 12 ms 23764 KB n=100
13 Correct 12 ms 23852 KB n=100
14 Correct 12 ms 23844 KB n=100
15 Correct 12 ms 23852 KB n=100
16 Correct 12 ms 23804 KB n=100
17 Correct 12 ms 23808 KB n=100
18 Correct 13 ms 23824 KB n=100
19 Correct 11 ms 23796 KB n=100
20 Correct 12 ms 23792 KB n=100
21 Correct 12 ms 23764 KB n=100
22 Correct 11 ms 23764 KB n=100
23 Correct 12 ms 23764 KB n=100
24 Correct 14 ms 23800 KB n=100
25 Correct 12 ms 23764 KB n=100
26 Correct 12 ms 23912 KB n=12
27 Correct 12 ms 23776 KB n=100
28 Correct 13 ms 23944 KB n=500
29 Correct 12 ms 23888 KB n=500
30 Correct 12 ms 23892 KB n=500
31 Correct 12 ms 23892 KB n=500
32 Correct 13 ms 23892 KB n=500
33 Correct 12 ms 23892 KB n=500
34 Correct 12 ms 23948 KB n=500
35 Correct 13 ms 23996 KB n=500
36 Correct 12 ms 23892 KB n=500
37 Correct 12 ms 23948 KB n=500
38 Correct 12 ms 23892 KB n=500
39 Correct 12 ms 23892 KB n=500
40 Correct 12 ms 23940 KB n=500
41 Correct 12 ms 23876 KB n=500
42 Correct 13 ms 24020 KB n=500
43 Correct 13 ms 23900 KB n=500
44 Correct 12 ms 23892 KB n=500
45 Correct 13 ms 23904 KB n=500
46 Correct 12 ms 23932 KB n=500
47 Correct 12 ms 23976 KB n=500
48 Correct 12 ms 23892 KB n=500
49 Correct 14 ms 23944 KB n=500
50 Correct 12 ms 23924 KB n=500
51 Correct 13 ms 23952 KB n=500
52 Correct 13 ms 23972 KB n=500
53 Correct 12 ms 23892 KB n=500
54 Correct 13 ms 23892 KB n=500
55 Correct 12 ms 23892 KB n=278
56 Correct 13 ms 23892 KB n=500
57 Correct 12 ms 23972 KB n=500
58 Correct 12 ms 23892 KB n=500
59 Correct 14 ms 24460 KB n=2000
60 Correct 15 ms 24532 KB n=2000
61 Correct 16 ms 24592 KB n=2000
62 Correct 15 ms 24404 KB n=2000
63 Correct 15 ms 24532 KB n=2000
64 Correct 14 ms 24460 KB n=2000
65 Correct 15 ms 24412 KB n=2000
66 Correct 15 ms 24460 KB n=2000
67 Correct 15 ms 24360 KB n=2000
68 Correct 14 ms 24452 KB n=2000
69 Correct 14 ms 24432 KB n=2000
70 Correct 14 ms 24480 KB n=2000
71 Correct 15 ms 24428 KB n=2000
72 Correct 14 ms 24460 KB n=2000
73 Correct 14 ms 24404 KB n=2000
74 Correct 14 ms 24404 KB n=1844
75 Correct 14 ms 24464 KB n=2000
76 Correct 14 ms 24412 KB n=2000
77 Correct 16 ms 24404 KB n=2000
78 Correct 15 ms 24460 KB n=2000
79 Correct 15 ms 24404 KB n=2000
80 Correct 15 ms 24540 KB n=2000
81 Correct 14 ms 24404 KB n=2000
82 Correct 15 ms 24404 KB n=2000
83 Correct 14 ms 24532 KB n=2000
84 Correct 15 ms 24404 KB n=2000
85 Correct 15 ms 24456 KB n=2000
86 Correct 14 ms 24404 KB n=2000
87 Correct 15 ms 24408 KB n=2000
88 Correct 18 ms 24532 KB n=2000
89 Correct 15 ms 24532 KB n=2000
90 Correct 14 ms 24588 KB n=2000
91 Correct 15 ms 24464 KB n=2000
92 Correct 688 ms 90940 KB n=200000
93 Correct 714 ms 97380 KB n=200000
94 Correct 631 ms 101940 KB n=200000
95 Correct 686 ms 90688 KB n=200000
96 Correct 667 ms 90748 KB n=200000
97 Correct 699 ms 96308 KB n=200000
98 Correct 700 ms 90764 KB n=200000
99 Correct 834 ms 90864 KB n=200000
100 Correct 813 ms 90820 KB n=200000
101 Correct 716 ms 103476 KB n=200000
102 Correct 486 ms 91976 KB n=200000
103 Correct 444 ms 91968 KB n=200000
104 Correct 458 ms 91928 KB n=200000
105 Correct 501 ms 92476 KB n=200000
106 Correct 454 ms 92396 KB n=200000
107 Correct 483 ms 92412 KB n=200000
108 Correct 788 ms 90848 KB n=200000
109 Correct 793 ms 90800 KB n=200000
110 Correct 777 ms 90888 KB n=200000
111 Correct 802 ms 90372 KB n=200000
112 Correct 730 ms 102224 KB n=200000
113 Correct 794 ms 96180 KB n=200000
114 Correct 794 ms 90304 KB n=200000
115 Correct 873 ms 93344 KB n=200000
116 Correct 730 ms 90960 KB n=200000
117 Correct 691 ms 102696 KB n=200000
118 Correct 797 ms 94684 KB n=200000
119 Correct 702 ms 90824 KB n=200000
120 Correct 697 ms 102584 KB n=200000
121 Correct 656 ms 102576 KB n=200000
122 Correct 642 ms 102952 KB n=200000
123 Correct 491 ms 92164 KB n=200000
124 Correct 202 ms 41168 KB n=25264