답안 #609603

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
609603	2022-07-27T18:01:52 Z	Tigryonochekk	Jail (JOI22_jail)	C++17	77 / 100	5000 ms	369576 KB

jail

#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <string>
using namespace std;
#define ll long long
#define pii pair<int, int>
const int N = 1.2e5 + 2, lgN = 17, M = N;

int n, ln;
vector<int> g[N];
int m;
int b[N], w[N];

pii sb[N], sw[N];

int p[N];
int tin[N], tout[N];
int timer;
int d[N][lgN];

set<int> pp[M];
int col[M];

int rb[N], rw[N]; // reverce bed and workplace

void LEVI() {
	for (int i = 1; i <= n; i++) {
		g[i].clear();
	}
	fill(p + 1, p + n + 1, 0);
	fill(tin, tin + n + 1, 0);
	fill(tout, tout + n + 1, 0);
	timer = 1;
	for (int i = 1; i <= n; i++) {
		for (int j = 0; j < ln; j++) {
			d[i][j] = 0;
		}
	}
	for (int i = 1; i <= m; i++) {
		pp[i].clear();
	}
	fill(col, col + m + 1, 0);
	fill(rb, rb + n + 1, 0);
	fill(rw, rw + n + 1, 0);
}

void dfs(int v) {
	tin[v] = timer++;
	for (int to : g[v]) {
		if (p[v] == to) continue;
		p[to] = v;
		d[to][0] = v;
		for (int i = 1; i < ln; i++) {
			d[to][i] = d[d[to][i - 1]][i - 1];
		}
		dfs(to);
	}
	tout[v] = timer++;
}

bool check(int a, int b) {
	return tin[a] <= tin[b] && tout[a] >= tout[b];
}

int lca(int a, int b) {
	if (check(a, b)) return a;
	if (check(b, a)) return b;
	for (int i = ln - 1; i >= 0; i--) {
		if (!check(d[a][i], b))
			a = d[a][i];
	}
	return p[a];
}

bool belong(int a, int b, int c) {
	return check(lca(a, b), c) && (check(c, a) || check(c, b));
}

int compare(int i, int j) { //0 - lriv, 1-skizb, 2-verj, 3-vochinch
	if (belong(b[i], w[i], b[j])) {
		if (belong(b[i], w[i], w[j])) {
			return 0;
		}
		else
			return 1;
	}
	else {
		if (belong(b[i], w[i], w[j]))
			return 2;
		else
			return 3;
	}
}

void edging(int i, int j) {
	if (j == i) return;
	int com = compare(i, j);
	if (com == 0) {
		pp[i].insert(j);
		pp[j].insert(i);
	}
	else if (com == 1) {
		pp[i].insert(j);
	}
	else if (com == 2) {
		pp[j].insert(i);
	}
}

bool dps(int v) {
	bool ret = 1;
	col[v] = 1;
	for (auto to : pp[v]) {
		if (col[to] == 2) continue;
		if (col[to] == 1) return 0;
		col[to] = 1;
		ret &= dps(to);
	}
	col[v] = 2;
	return ret;
}

void solve() {
	LEVI();
	cin >> n;
	ln = log2(n) + 1;
	bool flag = true;
	for (int i = 1; i < n; i++) {
		int x, y;
		cin >> x >> y;
		if (x != i || y != i + 1)
			flag = false;
		g[x].push_back(y);
		g[y].push_back(x);
	}
	cin >> m;
	for (int i = 1; i <= m; i++) {
		cin >> b[i] >> w[i];
		rb[b[i]] = i;
		rw[w[i]] = i;
	}
	if (flag) {
		for (int i = 1; i <= m; i++) {
			sb[i] = pii(b[i], i);
			sw[i] = pii(w[i], i);
		}
		sort(sb + 1, sb + m + 1);
		sort(sw + 1, sw + m + 1);
		for (int i = 1; i <= m; i++) {
			if (sb[i].second != sw[i].second) {
				cout << "No\n";
				return;
			}
		}
		cout << "Yes\n";
	}
	else {
		p[1] = 1;
		for (int i = 0; i < ln; i++) {
			d[1][i] = 1;
		}
		dfs(1);
		for (int i = 1; i <= m; i++) {
			int l = lca(b[i], w[i]);
			for (int j = b[i]; j != l; j = p[j]) {
				if (rw[j]) {
					edging(i, rw[j]);
				}
				if (rb[j]) {
					edging(i, rb[j]);
				}
			}
			for (int j = w[i]; j != l; j = p[j]) {
				if (rw[j]) {
					edging(i, rw[j]);
				}
				if (rb[j]) {
					edging(i, rb[j]);
				}
			}
			if (rw[l]) {
				edging(i, rw[l]);
			}
			if (rb[l]) {
				edging(i, rb[l]);
			}
		}
		bool ans = 1;
		for (int i = 1; i <= m; i++) {
			if (col[i] == 0) {
				ans &= dps(i);
			}
		}
		//cout << "imbluedabudidabudaidabudidabudaidabudidabudai\n";
		if (ans)
			cout << "Yes\n";
		else
			cout << "No\n";
	}
}

int main() {
	int t = 1;
	cin >> t;
	while (t--)
		solve();
	return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	8788 KB	Output is correct
2	Correct	4 ms	8788 KB	Output is correct
3	Correct	5 ms	8788 KB	Output is correct
4	Correct	24 ms	8788 KB	Output is correct
5	Correct	46 ms	8788 KB	Output is correct
6	Correct	6 ms	8788 KB	Output is correct
7	Correct	6 ms	8788 KB	Output is correct
8	Correct	7 ms	8788 KB	Output is correct
9	Correct	62 ms	9428 KB	Output is correct
10	Correct	75 ms	12592 KB	Output is correct
11	Correct	15 ms	8788 KB	Output is correct
12	Correct	75 ms	8788 KB	Output is correct
13	Correct	100 ms	14524 KB	Output is correct
14	Correct	106 ms	14604 KB	Output is correct
15	Correct	108 ms	14668 KB	Output is correct
16	Correct	195 ms	16252 KB	Output is correct
17	Correct	108 ms	14352 KB	Output is correct
18	Correct	137 ms	16212 KB	Output is correct
19	Correct	110 ms	14452 KB	Output is correct
20	Correct	114 ms	14412 KB	Output is correct
21	Correct	116 ms	14864 KB	Output is correct
22	Correct	105 ms	14864 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	8788 KB	Output is correct
2	Correct	5 ms	8796 KB	Output is correct
3	Correct	7 ms	8788 KB	Output is correct
4	Correct	6 ms	8788 KB	Output is correct
5	Correct	7 ms	8788 KB	Output is correct
6	Correct	9 ms	8788 KB	Output is correct
7	Correct	7 ms	8780 KB	Output is correct
8	Correct	7 ms	8788 KB	Output is correct
9	Correct	8 ms	8788 KB	Output is correct
10	Correct	7 ms	8788 KB	Output is correct
11	Correct	7 ms	8780 KB	Output is correct
12	Correct	7 ms	8784 KB	Output is correct
13	Correct	7 ms	8788 KB	Output is correct

Subtask #3
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	8788 KB	Output is correct
2	Correct	5 ms	8796 KB	Output is correct
3	Correct	7 ms	8788 KB	Output is correct
4	Correct	6 ms	8788 KB	Output is correct
5	Correct	7 ms	8788 KB	Output is correct
6	Correct	9 ms	8788 KB	Output is correct
7	Correct	7 ms	8780 KB	Output is correct
8	Correct	7 ms	8788 KB	Output is correct
9	Correct	8 ms	8788 KB	Output is correct
10	Correct	7 ms	8788 KB	Output is correct
11	Correct	7 ms	8780 KB	Output is correct
12	Correct	7 ms	8784 KB	Output is correct
13	Correct	7 ms	8788 KB	Output is correct
14	Correct	4 ms	8776 KB	Output is correct
15	Correct	5 ms	8788 KB	Output is correct
16	Correct	7 ms	8780 KB	Output is correct
17	Correct	7 ms	8788 KB	Output is correct
18	Correct	7 ms	8788 KB	Output is correct
19	Correct	5 ms	8772 KB	Output is correct
20	Correct	7 ms	8828 KB	Output is correct
21	Correct	7 ms	8788 KB	Output is correct
22	Correct	7 ms	8788 KB	Output is correct
23	Correct	5 ms	8772 KB	Output is correct
24	Correct	5 ms	8788 KB	Output is correct
25	Correct	7 ms	8788 KB	Output is correct
26	Correct	5 ms	8788 KB	Output is correct
27	Correct	7 ms	8780 KB	Output is correct
28	Correct	5 ms	8788 KB	Output is correct

Subtask #4
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	8788 KB	Output is correct
2	Correct	5 ms	8796 KB	Output is correct
3	Correct	7 ms	8788 KB	Output is correct
4	Correct	6 ms	8788 KB	Output is correct
5	Correct	7 ms	8788 KB	Output is correct
6	Correct	9 ms	8788 KB	Output is correct
7	Correct	7 ms	8780 KB	Output is correct
8	Correct	7 ms	8788 KB	Output is correct
9	Correct	8 ms	8788 KB	Output is correct
10	Correct	7 ms	8788 KB	Output is correct
11	Correct	7 ms	8780 KB	Output is correct
12	Correct	7 ms	8784 KB	Output is correct
13	Correct	7 ms	8788 KB	Output is correct
14	Correct	4 ms	8776 KB	Output is correct
15	Correct	5 ms	8788 KB	Output is correct
16	Correct	7 ms	8780 KB	Output is correct
17	Correct	7 ms	8788 KB	Output is correct
18	Correct	7 ms	8788 KB	Output is correct
19	Correct	5 ms	8772 KB	Output is correct
20	Correct	7 ms	8828 KB	Output is correct
21	Correct	7 ms	8788 KB	Output is correct
22	Correct	7 ms	8788 KB	Output is correct
23	Correct	5 ms	8772 KB	Output is correct
24	Correct	5 ms	8788 KB	Output is correct
25	Correct	7 ms	8788 KB	Output is correct
26	Correct	5 ms	8788 KB	Output is correct
27	Correct	7 ms	8780 KB	Output is correct
28	Correct	5 ms	8788 KB	Output is correct
29	Correct	7 ms	8816 KB	Output is correct
30	Correct	8 ms	8916 KB	Output is correct
31	Correct	10 ms	8916 KB	Output is correct
32	Correct	7 ms	8788 KB	Output is correct
33	Correct	10 ms	8884 KB	Output is correct
34	Correct	12 ms	8928 KB	Output is correct
35	Correct	24 ms	9084 KB	Output is correct
36	Correct	7 ms	8916 KB	Output is correct
37	Correct	7 ms	8784 KB	Output is correct

Subtask #5
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	8788 KB	Output is correct
2	Correct	5 ms	8796 KB	Output is correct
3	Correct	7 ms	8788 KB	Output is correct
4	Correct	6 ms	8788 KB	Output is correct
5	Correct	7 ms	8788 KB	Output is correct
6	Correct	9 ms	8788 KB	Output is correct
7	Correct	7 ms	8780 KB	Output is correct
8	Correct	7 ms	8788 KB	Output is correct
9	Correct	8 ms	8788 KB	Output is correct
10	Correct	7 ms	8788 KB	Output is correct
11	Correct	7 ms	8780 KB	Output is correct
12	Correct	7 ms	8784 KB	Output is correct
13	Correct	7 ms	8788 KB	Output is correct
14	Correct	4 ms	8776 KB	Output is correct
15	Correct	5 ms	8788 KB	Output is correct
16	Correct	7 ms	8780 KB	Output is correct
17	Correct	7 ms	8788 KB	Output is correct
18	Correct	7 ms	8788 KB	Output is correct
19	Correct	5 ms	8772 KB	Output is correct
20	Correct	7 ms	8828 KB	Output is correct
21	Correct	7 ms	8788 KB	Output is correct
22	Correct	7 ms	8788 KB	Output is correct
23	Correct	5 ms	8772 KB	Output is correct
24	Correct	5 ms	8788 KB	Output is correct
25	Correct	7 ms	8788 KB	Output is correct
26	Correct	5 ms	8788 KB	Output is correct
27	Correct	7 ms	8780 KB	Output is correct
28	Correct	5 ms	8788 KB	Output is correct
29	Correct	7 ms	8816 KB	Output is correct
30	Correct	8 ms	8916 KB	Output is correct
31	Correct	10 ms	8916 KB	Output is correct
32	Correct	7 ms	8788 KB	Output is correct
33	Correct	10 ms	8884 KB	Output is correct
34	Correct	12 ms	8928 KB	Output is correct
35	Correct	24 ms	9084 KB	Output is correct
36	Correct	7 ms	8916 KB	Output is correct
37	Correct	7 ms	8784 KB	Output is correct
38	Correct	68 ms	10604 KB	Output is correct
39	Correct	76 ms	13904 KB	Output is correct
40	Correct	293 ms	14068 KB	Output is correct
41	Correct	79 ms	10592 KB	Output is correct
42	Correct	246 ms	14608 KB	Output is correct
43	Correct	70 ms	10796 KB	Output is correct
44	Correct	42 ms	9460 KB	Output is correct
45	Correct	121 ms	24300 KB	Output is correct
46	Correct	112 ms	24272 KB	Output is correct
47	Correct	122 ms	28020 KB	Output is correct
48	Correct	118 ms	28028 KB	Output is correct
49	Correct	109 ms	24456 KB	Output is correct
50	Correct	106 ms	24396 KB	Output is correct
51	Correct	93 ms	25120 KB	Output is correct
52	Correct	99 ms	25428 KB	Output is correct
53	Correct	26 ms	10012 KB	Output is correct
54	Correct	153 ms	24172 KB	Output is correct

Subtask #6
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	8788 KB	Output is correct
2	Correct	5 ms	8788 KB	Output is correct
3	Correct	5 ms	8788 KB	Output is correct
4	Correct	5 ms	8788 KB	Output is correct
5	Correct	15 ms	8768 KB	Output is correct
6	Correct	5 ms	8788 KB	Output is correct
7	Correct	5 ms	8784 KB	Output is correct
8	Correct	5 ms	8788 KB	Output is correct
9	Correct	5 ms	8788 KB	Output is correct
10	Correct	5 ms	8768 KB	Output is correct
11	Correct	4 ms	8788 KB	Output is correct
12	Correct	9 ms	8916 KB	Output is correct
13	Correct	80 ms	9404 KB	Output is correct
14	Correct	67 ms	9580 KB	Output is correct
15	Correct	72 ms	9548 KB	Output is correct
16	Correct	127 ms	25548 KB	Output is correct
17	Correct	614 ms	60824 KB	Output is correct
18	Correct	2946 ms	203472 KB	Output is correct
19	Correct	142 ms	24944 KB	Output is correct
20	Correct	134 ms	25236 KB	Output is correct
21	Correct	153 ms	25432 KB	Output is correct
22	Correct	659 ms	68412 KB	Output is correct
23	Correct	541 ms	68400 KB	Output is correct
24	Correct	527 ms	67660 KB	Output is correct
25	Correct	546 ms	70232 KB	Output is correct
26	Correct	580 ms	69632 KB	Output is correct
27	Correct	284 ms	36244 KB	Output is correct
28	Correct	291 ms	38676 KB	Output is correct
29	Correct	282 ms	35744 KB	Output is correct
30	Correct	212 ms	31040 KB	Output is correct
31	Correct	192 ms	31600 KB	Output is correct
32	Correct	191 ms	30896 KB	Output is correct
33	Correct	200 ms	31564 KB	Output is correct

Subtask #7
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	8788 KB	Output is correct
2	Correct	4 ms	8788 KB	Output is correct
3	Correct	5 ms	8788 KB	Output is correct
4	Correct	24 ms	8788 KB	Output is correct
5	Correct	46 ms	8788 KB	Output is correct
6	Correct	6 ms	8788 KB	Output is correct
7	Correct	6 ms	8788 KB	Output is correct
8	Correct	7 ms	8788 KB	Output is correct
9	Correct	62 ms	9428 KB	Output is correct
10	Correct	75 ms	12592 KB	Output is correct
11	Correct	15 ms	8788 KB	Output is correct
12	Correct	75 ms	8788 KB	Output is correct
13	Correct	100 ms	14524 KB	Output is correct
14	Correct	106 ms	14604 KB	Output is correct
15	Correct	108 ms	14668 KB	Output is correct
16	Correct	195 ms	16252 KB	Output is correct
17	Correct	108 ms	14352 KB	Output is correct
18	Correct	137 ms	16212 KB	Output is correct
19	Correct	110 ms	14452 KB	Output is correct
20	Correct	114 ms	14412 KB	Output is correct
21	Correct	116 ms	14864 KB	Output is correct
22	Correct	105 ms	14864 KB	Output is correct
23	Correct	5 ms	8788 KB	Output is correct
24	Correct	5 ms	8796 KB	Output is correct
25	Correct	7 ms	8788 KB	Output is correct
26	Correct	6 ms	8788 KB	Output is correct
27	Correct	7 ms	8788 KB	Output is correct
28	Correct	9 ms	8788 KB	Output is correct
29	Correct	7 ms	8780 KB	Output is correct
30	Correct	7 ms	8788 KB	Output is correct
31	Correct	8 ms	8788 KB	Output is correct
32	Correct	7 ms	8788 KB	Output is correct
33	Correct	7 ms	8780 KB	Output is correct
34	Correct	7 ms	8784 KB	Output is correct
35	Correct	7 ms	8788 KB	Output is correct
36	Correct	4 ms	8776 KB	Output is correct
37	Correct	5 ms	8788 KB	Output is correct
38	Correct	7 ms	8780 KB	Output is correct
39	Correct	7 ms	8788 KB	Output is correct
40	Correct	7 ms	8788 KB	Output is correct
41	Correct	5 ms	8772 KB	Output is correct
42	Correct	7 ms	8828 KB	Output is correct
43	Correct	7 ms	8788 KB	Output is correct
44	Correct	7 ms	8788 KB	Output is correct
45	Correct	5 ms	8772 KB	Output is correct
46	Correct	5 ms	8788 KB	Output is correct
47	Correct	7 ms	8788 KB	Output is correct
48	Correct	5 ms	8788 KB	Output is correct
49	Correct	7 ms	8780 KB	Output is correct
50	Correct	5 ms	8788 KB	Output is correct
51	Correct	7 ms	8816 KB	Output is correct
52	Correct	8 ms	8916 KB	Output is correct
53	Correct	10 ms	8916 KB	Output is correct
54	Correct	7 ms	8788 KB	Output is correct
55	Correct	10 ms	8884 KB	Output is correct
56	Correct	12 ms	8928 KB	Output is correct
57	Correct	24 ms	9084 KB	Output is correct
58	Correct	7 ms	8916 KB	Output is correct
59	Correct	7 ms	8784 KB	Output is correct
60	Correct	68 ms	10604 KB	Output is correct
61	Correct	76 ms	13904 KB	Output is correct
62	Correct	293 ms	14068 KB	Output is correct
63	Correct	79 ms	10592 KB	Output is correct
64	Correct	246 ms	14608 KB	Output is correct
65	Correct	70 ms	10796 KB	Output is correct
66	Correct	42 ms	9460 KB	Output is correct
67	Correct	121 ms	24300 KB	Output is correct
68	Correct	112 ms	24272 KB	Output is correct
69	Correct	122 ms	28020 KB	Output is correct
70	Correct	118 ms	28028 KB	Output is correct
71	Correct	109 ms	24456 KB	Output is correct
72	Correct	106 ms	24396 KB	Output is correct
73	Correct	93 ms	25120 KB	Output is correct
74	Correct	99 ms	25428 KB	Output is correct
75	Correct	26 ms	10012 KB	Output is correct
76	Correct	153 ms	24172 KB	Output is correct
77	Correct	5 ms	8788 KB	Output is correct
78	Correct	5 ms	8788 KB	Output is correct
79	Correct	5 ms	8788 KB	Output is correct
80	Correct	5 ms	8788 KB	Output is correct
81	Correct	15 ms	8768 KB	Output is correct
82	Correct	5 ms	8788 KB	Output is correct
83	Correct	5 ms	8784 KB	Output is correct
84	Correct	5 ms	8788 KB	Output is correct
85	Correct	5 ms	8788 KB	Output is correct
86	Correct	5 ms	8768 KB	Output is correct
87	Correct	4 ms	8788 KB	Output is correct
88	Correct	9 ms	8916 KB	Output is correct
89	Correct	80 ms	9404 KB	Output is correct
90	Correct	67 ms	9580 KB	Output is correct
91	Correct	72 ms	9548 KB	Output is correct
92	Correct	127 ms	25548 KB	Output is correct
93	Correct	614 ms	60824 KB	Output is correct
94	Correct	2946 ms	203472 KB	Output is correct
95	Correct	142 ms	24944 KB	Output is correct
96	Correct	134 ms	25236 KB	Output is correct
97	Correct	153 ms	25432 KB	Output is correct
98	Correct	659 ms	68412 KB	Output is correct
99	Correct	541 ms	68400 KB	Output is correct
100	Correct	527 ms	67660 KB	Output is correct
101	Correct	546 ms	70232 KB	Output is correct
102	Correct	580 ms	69632 KB	Output is correct
103	Correct	284 ms	36244 KB	Output is correct
104	Correct	291 ms	38676 KB	Output is correct
105	Correct	282 ms	35744 KB	Output is correct
106	Correct	212 ms	31040 KB	Output is correct
107	Correct	192 ms	31600 KB	Output is correct
108	Correct	191 ms	30896 KB	Output is correct
109	Correct	200 ms	31564 KB	Output is correct
110	Correct	92 ms	9852 KB	Output is correct
111	Correct	47 ms	9424 KB	Output is correct
112	Execution timed out	5096 ms	369576 KB	Time limit exceeded
113	Halted	0 ms	0 KB	-

답안 #609603

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 5.0 / 5.0

Subtask #3 16.0 / 16.0

Subtask #4 28.0 / 28.0

Subtask #5 12.0 / 12.0

Subtask #6 11.0 / 11.0

Subtask #7 0 / 23.0

Subtask #1
5.0 / 5.0

Subtask #2
5.0 / 5.0

Subtask #3
16.0 / 16.0

Subtask #4
28.0 / 28.0

Subtask #5
12.0 / 12.0

Subtask #6
11.0 / 11.0

Subtask #7
0 / 23.0