oj.uz

Submission #167577

# Submission time Handle Problem Language Result Execution time Memory
167577 2019-12-09T03:08:04 Z DrumpfTheGodEmperor Birthday gift (IZhO18_treearray) C++14
100 / 100
 1144 ms 82912 KB 
#include <bits/stdc++.h>
#define bp __builtin_popcountll
#define pb push_back
#define in(s) freopen(s, "r", stdin);
#define out(s) freopen(s, "w", stdout);
#define inout(s, end1, end2) freopen((string(s) + "." + end1).c_str(), "r", stdin),\
		freopen((string(s) + "." + end2).c_str(), "w", stdout);
#define fi first
#define se second
#define bw(i, r, l) for (int i = r - 1; i >= l; i--)
#define fw(i, l, r) for (int i = l; i < r; i++)
#define fa(i, x) for (auto i: x)
using namespace std;
const int mod = 1e9 + 7, inf = 1061109567;
const long long infll = 4557430888798830399;
typedef pair<int, int> ii;
const int N = 2e5 + 5;
vector<int> g[N];
int n, m, q, a[N], dep[N], par[N][20], b[N];
void dfs(int u, int p) {
	par[u][0] = p;
	fa (v, g[u]) if (v != p) {
		dep[v] = dep[u] + 1;
		dfs(v, u);
	}
}
void sparse() {
	fw (j, 1, 20) fw (i, 0, n) if (par[i][j - 1] != -1) {
		par[i][j] = par[par[i][j - 1]][j - 1];
	}
}
int getLCA(int u, int v) {
	if (dep[u] < dep[v]) swap(u, v);
	int diff = dep[u] - dep[v];
	fw (i, 0, 20) if (diff & (1 << i)) u = par[u][i];
	if (u == v) return u;
	bw (i, 20, 0) if (par[u][i] != par[v][i]) {
		u = par[u][i], v = par[v][i];
	}
	return par[u][0];
}
set<int> app1[N], app2[N];
signed main() {
	#ifdef BLU
	in("blu.inp");
	#endif
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	cin >> n >> m >> q;
	fw (i, 1, n) {
		int u, v;
		cin >> u >> v;
		u--, v--;
		g[u].pb(v), g[v].pb(u);
	}
	fw (i, 0, m) cin >> a[i], a[i]--;
	dfs(0, -1);
	sparse();
	//b[i] = lca(a[i], a[i + 1])
	fw (i, 0, m - 1) b[i] = getLCA(a[i], a[i + 1]);
	fw (i, 0, m) app1[a[i]].insert(i);
	fw (i, 0, m - 1) app2[b[i]].insert(i);
	while (q--) {
		int type;
		cin >> type;
		if (type == 1) {
			int pos, v;
			cin >> pos >> v;
			pos--, v--;
			app1[a[pos]].erase(pos);
			if (pos) app2[b[pos - 1]].erase(pos - 1);
			if (pos < m - 1) app2[b[pos]].erase(pos);
			a[pos] = v;
			app1[a[pos]].insert(pos);
			if (pos) {
				b[pos - 1] = getLCA(a[pos - 1], a[pos]);
				app2[b[pos - 1]].insert(pos - 1);
			}
			if (pos < m - 1) {
				b[pos] = getLCA(a[pos], a[pos + 1]);
//				st2.ins(pos, b[pos]);
				app2[b[pos]].insert(pos);
			}
		} else {
			int l, r, v;
			cin >> l >> r >> v;
			l--, r--, v--;
			auto lol = app1[v].upper_bound(r);
			int x = -1;
			if (lol != app1[v].begin()) {
				--lol;
				x = *lol;
			}
			if (x >= l && x <= r) {
//				cout << "what's cookin'\n";
				cout << x + 1 << " " << x + 1 << "\n";
			} else {
//				x = st2.check(l, r - 1, v);
				lol = app2[v].upper_bound(r - 1);
				x = -1;
				if (lol != app2[v].begin()) {
					--lol;
					x = *lol;
				}
				if (x >= l && x < r) cout << x + 1 << " " << x + 2 << "\n";
				else cout << "-1 -1\n";
			}
		}
	}
	return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 23928 KB n=5
2 Correct 23 ms 23928 KB n=100
3 Correct 23 ms 23928 KB n=100
4 Correct 23 ms 23928 KB n=100
5 Correct 23 ms 23928 KB n=100
6 Correct 23 ms 23808 KB n=100
7 Correct 23 ms 23800 KB n=100
8 Correct 23 ms 23900 KB n=100
9 Correct 22 ms 23800 KB n=100
10 Correct 23 ms 23928 KB n=100
11 Correct 23 ms 23928 KB n=100
12 Correct 23 ms 23800 KB n=100
13 Correct 23 ms 23800 KB n=100
14 Correct 23 ms 23800 KB n=100
15 Correct 22 ms 23672 KB n=100
16 Correct 23 ms 23800 KB n=100
17 Correct 23 ms 23928 KB n=100
18 Correct 23 ms 23800 KB n=100
19 Correct 23 ms 23800 KB n=100
20 Correct 23 ms 23800 KB n=100
21 Correct 24 ms 23912 KB n=100
22 Correct 23 ms 23800 KB n=100
23 Correct 23 ms 23928 KB n=100
24 Correct 23 ms 23928 KB n=100
25 Correct 23 ms 23800 KB n=100
26 Correct 23 ms 23852 KB n=12
27 Correct 23 ms 23800 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 23928 KB n=5
2 Correct 23 ms 23928 KB n=100
3 Correct 23 ms 23928 KB n=100
4 Correct 23 ms 23928 KB n=100
5 Correct 23 ms 23928 KB n=100
6 Correct 23 ms 23808 KB n=100
7 Correct 23 ms 23800 KB n=100
8 Correct 23 ms 23900 KB n=100
9 Correct 22 ms 23800 KB n=100
10 Correct 23 ms 23928 KB n=100
11 Correct 23 ms 23928 KB n=100
12 Correct 23 ms 23800 KB n=100
13 Correct 23 ms 23800 KB n=100
14 Correct 23 ms 23800 KB n=100
15 Correct 22 ms 23672 KB n=100
16 Correct 23 ms 23800 KB n=100
17 Correct 23 ms 23928 KB n=100
18 Correct 23 ms 23800 KB n=100
19 Correct 23 ms 23800 KB n=100
20 Correct 23 ms 23800 KB n=100
21 Correct 24 ms 23912 KB n=100
22 Correct 23 ms 23800 KB n=100
23 Correct 23 ms 23928 KB n=100
24 Correct 23 ms 23928 KB n=100
25 Correct 23 ms 23800 KB n=100
26 Correct 23 ms 23852 KB n=12
27 Correct 23 ms 23800 KB n=100
28 Correct 24 ms 24056 KB n=500
29 Correct 23 ms 23928 KB n=500
30 Correct 23 ms 23928 KB n=500
31 Correct 25 ms 24184 KB n=500
32 Correct 24 ms 23928 KB n=500
33 Correct 28 ms 23928 KB n=500
34 Correct 30 ms 23928 KB n=500
35 Correct 23 ms 23928 KB n=500
36 Correct 24 ms 23940 KB n=500
37 Correct 23 ms 23928 KB n=500
38 Correct 24 ms 23936 KB n=500
39 Correct 24 ms 24056 KB n=500
40 Correct 24 ms 23928 KB n=500
41 Correct 24 ms 23928 KB n=500
42 Correct 23 ms 23928 KB n=500
43 Correct 24 ms 23928 KB n=500
44 Correct 23 ms 23928 KB n=500
45 Correct 24 ms 23928 KB n=500
46 Correct 23 ms 23928 KB n=500
47 Correct 24 ms 23940 KB n=500
48 Correct 24 ms 24056 KB n=500
49 Correct 24 ms 23932 KB n=500
50 Correct 23 ms 23928 KB n=500
51 Correct 23 ms 23928 KB n=500
52 Correct 24 ms 24056 KB n=500
53 Correct 23 ms 23928 KB n=500
54 Correct 24 ms 24056 KB n=500
55 Correct 24 ms 23928 KB n=278
56 Correct 24 ms 23928 KB n=500
57 Correct 23 ms 23928 KB n=500
58 Correct 24 ms 23928 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 23928 KB n=5
2 Correct 23 ms 23928 KB n=100
3 Correct 23 ms 23928 KB n=100
4 Correct 23 ms 23928 KB n=100
5 Correct 23 ms 23928 KB n=100
6 Correct 23 ms 23808 KB n=100
7 Correct 23 ms 23800 KB n=100
8 Correct 23 ms 23900 KB n=100
9 Correct 22 ms 23800 KB n=100
10 Correct 23 ms 23928 KB n=100
11 Correct 23 ms 23928 KB n=100
12 Correct 23 ms 23800 KB n=100
13 Correct 23 ms 23800 KB n=100
14 Correct 23 ms 23800 KB n=100
15 Correct 22 ms 23672 KB n=100
16 Correct 23 ms 23800 KB n=100
17 Correct 23 ms 23928 KB n=100
18 Correct 23 ms 23800 KB n=100
19 Correct 23 ms 23800 KB n=100
20 Correct 23 ms 23800 KB n=100
21 Correct 24 ms 23912 KB n=100
22 Correct 23 ms 23800 KB n=100
23 Correct 23 ms 23928 KB n=100
24 Correct 23 ms 23928 KB n=100
25 Correct 23 ms 23800 KB n=100
26 Correct 23 ms 23852 KB n=12
27 Correct 23 ms 23800 KB n=100
28 Correct 24 ms 24056 KB n=500
29 Correct 23 ms 23928 KB n=500
30 Correct 23 ms 23928 KB n=500
31 Correct 25 ms 24184 KB n=500
32 Correct 24 ms 23928 KB n=500
33 Correct 28 ms 23928 KB n=500
34 Correct 30 ms 23928 KB n=500
35 Correct 23 ms 23928 KB n=500
36 Correct 24 ms 23940 KB n=500
37 Correct 23 ms 23928 KB n=500
38 Correct 24 ms 23936 KB n=500
39 Correct 24 ms 24056 KB n=500
40 Correct 24 ms 23928 KB n=500
41 Correct 24 ms 23928 KB n=500
42 Correct 23 ms 23928 KB n=500
43 Correct 24 ms 23928 KB n=500
44 Correct 23 ms 23928 KB n=500
45 Correct 24 ms 23928 KB n=500
46 Correct 23 ms 23928 KB n=500
47 Correct 24 ms 23940 KB n=500
48 Correct 24 ms 24056 KB n=500
49 Correct 24 ms 23932 KB n=500
50 Correct 23 ms 23928 KB n=500
51 Correct 23 ms 23928 KB n=500
52 Correct 24 ms 24056 KB n=500
53 Correct 23 ms 23928 KB n=500
54 Correct 24 ms 24056 KB n=500
55 Correct 24 ms 23928 KB n=278
56 Correct 24 ms 23928 KB n=500
57 Correct 23 ms 23928 KB n=500
58 Correct 24 ms 23928 KB n=500
59 Correct 26 ms 24312 KB n=2000
60 Correct 27 ms 24440 KB n=2000
61 Correct 26 ms 24440 KB n=2000
62 Correct 28 ms 24440 KB n=2000
63 Correct 27 ms 24312 KB n=2000
64 Correct 27 ms 24412 KB n=2000
65 Correct 27 ms 24316 KB n=2000
66 Correct 26 ms 24440 KB n=2000
67 Correct 27 ms 24312 KB n=2000
68 Correct 27 ms 24440 KB n=2000
69 Correct 26 ms 24312 KB n=2000
70 Correct 27 ms 24404 KB n=2000
71 Correct 26 ms 24312 KB n=2000
72 Correct 26 ms 24312 KB n=2000
73 Correct 26 ms 24312 KB n=2000
74 Correct 27 ms 24312 KB n=1844
75 Correct 26 ms 24312 KB n=2000
76 Correct 27 ms 24312 KB n=2000
77 Correct 27 ms 24408 KB n=2000
78 Correct 27 ms 24312 KB n=2000
79 Correct 27 ms 24312 KB n=2000
80 Correct 28 ms 24444 KB n=2000
81 Correct 33 ms 24440 KB n=2000
82 Correct 29 ms 24568 KB n=2000
83 Correct 27 ms 24440 KB n=2000
84 Correct 27 ms 24440 KB n=2000
85 Correct 27 ms 24440 KB n=2000
86 Correct 28 ms 24356 KB n=2000
87 Correct 27 ms 24312 KB n=2000
88 Correct 26 ms 24440 KB n=2000
89 Correct 26 ms 24440 KB n=2000
90 Correct 27 ms 24412 KB n=2000
91 Correct 26 ms 24312 KB n=2000

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 23928 KB n=5
2 Correct 23 ms 23928 KB n=100
3 Correct 23 ms 23928 KB n=100
4 Correct 23 ms 23928 KB n=100
5 Correct 23 ms 23928 KB n=100
6 Correct 23 ms 23808 KB n=100
7 Correct 23 ms 23800 KB n=100
8 Correct 23 ms 23900 KB n=100
9 Correct 22 ms 23800 KB n=100
10 Correct 23 ms 23928 KB n=100
11 Correct 23 ms 23928 KB n=100
12 Correct 23 ms 23800 KB n=100
13 Correct 23 ms 23800 KB n=100
14 Correct 23 ms 23800 KB n=100
15 Correct 22 ms 23672 KB n=100
16 Correct 23 ms 23800 KB n=100
17 Correct 23 ms 23928 KB n=100
18 Correct 23 ms 23800 KB n=100
19 Correct 23 ms 23800 KB n=100
20 Correct 23 ms 23800 KB n=100
21 Correct 24 ms 23912 KB n=100
22 Correct 23 ms 23800 KB n=100
23 Correct 23 ms 23928 KB n=100
24 Correct 23 ms 23928 KB n=100
25 Correct 23 ms 23800 KB n=100
26 Correct 23 ms 23852 KB n=12
27 Correct 23 ms 23800 KB n=100
28 Correct 24 ms 24056 KB n=500
29 Correct 23 ms 23928 KB n=500
30 Correct 23 ms 23928 KB n=500
31 Correct 25 ms 24184 KB n=500
32 Correct 24 ms 23928 KB n=500
33 Correct 28 ms 23928 KB n=500
34 Correct 30 ms 23928 KB n=500
35 Correct 23 ms 23928 KB n=500
36 Correct 24 ms 23940 KB n=500
37 Correct 23 ms 23928 KB n=500
38 Correct 24 ms 23936 KB n=500
39 Correct 24 ms 24056 KB n=500
40 Correct 24 ms 23928 KB n=500
41 Correct 24 ms 23928 KB n=500
42 Correct 23 ms 23928 KB n=500
43 Correct 24 ms 23928 KB n=500
44 Correct 23 ms 23928 KB n=500
45 Correct 24 ms 23928 KB n=500
46 Correct 23 ms 23928 KB n=500
47 Correct 24 ms 23940 KB n=500
48 Correct 24 ms 24056 KB n=500
49 Correct 24 ms 23932 KB n=500
50 Correct 23 ms 23928 KB n=500
51 Correct 23 ms 23928 KB n=500
52 Correct 24 ms 24056 KB n=500
53 Correct 23 ms 23928 KB n=500
54 Correct 24 ms 24056 KB n=500
55 Correct 24 ms 23928 KB n=278
56 Correct 24 ms 23928 KB n=500
57 Correct 23 ms 23928 KB n=500
58 Correct 24 ms 23928 KB n=500
59 Correct 26 ms 24312 KB n=2000
60 Correct 27 ms 24440 KB n=2000
61 Correct 26 ms 24440 KB n=2000
62 Correct 28 ms 24440 KB n=2000
63 Correct 27 ms 24312 KB n=2000
64 Correct 27 ms 24412 KB n=2000
65 Correct 27 ms 24316 KB n=2000
66 Correct 26 ms 24440 KB n=2000
67 Correct 27 ms 24312 KB n=2000
68 Correct 27 ms 24440 KB n=2000
69 Correct 26 ms 24312 KB n=2000
70 Correct 27 ms 24404 KB n=2000
71 Correct 26 ms 24312 KB n=2000
72 Correct 26 ms 24312 KB n=2000
73 Correct 26 ms 24312 KB n=2000
74 Correct 27 ms 24312 KB n=1844
75 Correct 26 ms 24312 KB n=2000
76 Correct 27 ms 24312 KB n=2000
77 Correct 27 ms 24408 KB n=2000
78 Correct 27 ms 24312 KB n=2000
79 Correct 27 ms 24312 KB n=2000
80 Correct 28 ms 24444 KB n=2000
81 Correct 33 ms 24440 KB n=2000
82 Correct 29 ms 24568 KB n=2000
83 Correct 27 ms 24440 KB n=2000
84 Correct 27 ms 24440 KB n=2000
85 Correct 27 ms 24440 KB n=2000
86 Correct 28 ms 24356 KB n=2000
87 Correct 27 ms 24312 KB n=2000
88 Correct 26 ms 24440 KB n=2000
89 Correct 26 ms 24440 KB n=2000
90 Correct 27 ms 24412 KB n=2000
91 Correct 26 ms 24312 KB n=2000
92 Correct 795 ms 70424 KB n=200000
93 Correct 921 ms 77492 KB n=200000
94 Correct 933 ms 80728 KB n=200000
95 Correct 793 ms 70648 KB n=200000
96 Correct 744 ms 70760 KB n=200000
97 Correct 1008 ms 76640 KB n=200000
98 Correct 786 ms 71100 KB n=200000
99 Correct 906 ms 74656 KB n=200000
100 Correct 792 ms 72240 KB n=200000
101 Correct 876 ms 80348 KB n=200000
102 Correct 592 ms 75232 KB n=200000
103 Correct 517 ms 75180 KB n=200000
104 Correct 488 ms 76420 KB n=200000
105 Correct 520 ms 72696 KB n=200000
106 Correct 508 ms 72628 KB n=200000
107 Correct 496 ms 72712 KB n=200000
108 Correct 896 ms 75280 KB n=200000
109 Correct 929 ms 73880 KB n=200000
110 Correct 915 ms 75292 KB n=200000
111 Correct 928 ms 72852 KB n=200000
112 Correct 1144 ms 81488 KB n=200000
113 Correct 1026 ms 74476 KB n=200000
114 Correct 793 ms 72636 KB n=200000
115 Correct 1002 ms 72404 KB n=200000
116 Correct 753 ms 72316 KB n=200000
117 Correct 974 ms 79496 KB n=200000
118 Correct 1071 ms 73552 KB n=200000
119 Correct 975 ms 72052 KB n=200000
120 Correct 985 ms 81868 KB n=200000
121 Correct 822 ms 82912 KB n=200000
122 Correct 883 ms 80576 KB n=200000
123 Correct 487 ms 72180 KB n=200000
124 Correct 232 ms 39160 KB n=25264