Submission #771483

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
771483	2023-07-03T04:32:10 Z	ono_de206	Connecting Supertrees (IOI20_supertrees)	C++14	21 / 100	171 ms	24060 KB

supertrees

#include "supertrees.h"
#include<bits/stdc++.h>
using namespace std;

#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second

// #define int long long
 
typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;

const int mxn = 1010;
int par[mxn];

int get(int x) {
	return (x == par[x] ? x : par[x] = get(par[x]));
}

void unite(int x, int y) {
	x = get(x); y = get(y);
	if(x == y) return;
	par[y] = x;
}

int construct(vector<vector<int>> p) {
	int n = p.size();
	vector<vector<int>> answer(n, vector<int>(n));
	for(int i = 0; i < n; i++) {
		par[i] = i;
	}
	int mx = 0;
	for (int i = 0; i < n; i++) {
		for(int j = 0; j < n; j++) {
			if(p[i][j] > 0) {
				unite(i, j);
				mx = max(mx, p[i][j]);
			} 
		}
	}
	if(mx == 0) {
		build(answer);
		return 1;
	}
	for(int i = 0; i < n; i++) {
		for(int j = 0; j < n; j++) {
			if(p[i][j] == 0 && get(i) == get(j)) {
				return 0;
			}
		}
	}
	vector<int> vis(n);
	for(int i = 0; i < n; i++) {
		if(vis[i]) continue;
		int ls = i, cnt = 1;
		for(int j = i + 1; j < n; j++) {
			if(get(j) == get(i)) {
				answer[ls][j] = answer[j][ls] = 1;
				ls = j;
				vis[j] = 1;
				cnt++;
			}
		}
		if(mx == 2) {
			if(cnt == 2) return 0;
			answer[i][ls] = answer[ls][i] = 1;
		}
	}
	build(answer);
	return 1;
}

Subtask #1
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	7 ms	1108 KB	Output is correct
7	Correct	160 ms	22020 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	7 ms	1108 KB	Output is correct
7	Correct	160 ms	22020 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	7 ms	1108 KB	Output is correct
13	Correct	156 ms	21960 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	3 ms	724 KB	Output is correct
17	Correct	73 ms	12036 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	46 ms	5708 KB	Output is correct
21	Correct	157 ms	21964 KB	Output is correct
22	Correct	153 ms	22020 KB	Output is correct
23	Correct	157 ms	22040 KB	Output is correct
24	Correct	158 ms	22044 KB	Output is correct
25	Correct	64 ms	12040 KB	Output is correct
26	Correct	67 ms	12036 KB	Output is correct
27	Correct	160 ms	21980 KB	Output is correct
28	Correct	160 ms	21968 KB	Output is correct

Subtask #3
0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	300 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	304 KB	Output is correct
8	Correct	7 ms	1208 KB	Output is correct
9	Correct	161 ms	23992 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	7 ms	1184 KB	Output is correct
13	Correct	159 ms	23940 KB	Output is correct
14	Correct	1 ms	300 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	5 ms	852 KB	Output is correct
17	Correct	79 ms	14076 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	304 KB	Output is correct
20	Incorrect	0 ms	212 KB	b[4][4] is not 0
21	Halted	0 ms	0 KB	-

Subtask #4
0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	308 KB	Output is correct
4	Correct	41 ms	6212 KB	Output is correct
5	Correct	171 ms	24060 KB	Output is correct
6	Correct	162 ms	23904 KB	Output is correct
7	Correct	161 ms	24012 KB	Output is correct
8	Incorrect	1 ms	300 KB	b[4][4] is not 0
9	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	7 ms	1108 KB	Output is correct
7	Correct	160 ms	22020 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	7 ms	1108 KB	Output is correct
13	Correct	156 ms	21960 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	3 ms	724 KB	Output is correct
17	Correct	73 ms	12036 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	46 ms	5708 KB	Output is correct
21	Correct	157 ms	21964 KB	Output is correct
22	Correct	153 ms	22020 KB	Output is correct
23	Correct	157 ms	22040 KB	Output is correct
24	Correct	158 ms	22044 KB	Output is correct
25	Correct	64 ms	12040 KB	Output is correct
26	Correct	67 ms	12036 KB	Output is correct
27	Correct	160 ms	21980 KB	Output is correct
28	Correct	160 ms	21968 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	1 ms	300 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	304 KB	Output is correct
36	Correct	7 ms	1208 KB	Output is correct
37	Correct	161 ms	23992 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 ms	212 KB	Output is correct
40	Correct	7 ms	1184 KB	Output is correct
41	Correct	159 ms	23940 KB	Output is correct
42	Correct	1 ms	300 KB	Output is correct
43	Correct	0 ms	212 KB	Output is correct
44	Correct	5 ms	852 KB	Output is correct
45	Correct	79 ms	14076 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	1 ms	304 KB	Output is correct
48	Incorrect	0 ms	212 KB	b[4][4] is not 0
49	Halted	0 ms	0 KB	-

Subtask #6
0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	7 ms	1108 KB	Output is correct
7	Correct	160 ms	22020 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	7 ms	1108 KB	Output is correct
13	Correct	156 ms	21960 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	3 ms	724 KB	Output is correct
17	Correct	73 ms	12036 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	46 ms	5708 KB	Output is correct
21	Correct	157 ms	21964 KB	Output is correct
22	Correct	153 ms	22020 KB	Output is correct
23	Correct	157 ms	22040 KB	Output is correct
24	Correct	158 ms	22044 KB	Output is correct
25	Correct	64 ms	12040 KB	Output is correct
26	Correct	67 ms	12036 KB	Output is correct
27	Correct	160 ms	21980 KB	Output is correct
28	Correct	160 ms	21968 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	1 ms	300 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	304 KB	Output is correct
36	Correct	7 ms	1208 KB	Output is correct
37	Correct	161 ms	23992 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 ms	212 KB	Output is correct
40	Correct	7 ms	1184 KB	Output is correct
41	Correct	159 ms	23940 KB	Output is correct
42	Correct	1 ms	300 KB	Output is correct
43	Correct	0 ms	212 KB	Output is correct
44	Correct	5 ms	852 KB	Output is correct
45	Correct	79 ms	14076 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	1 ms	304 KB	Output is correct
48	Incorrect	0 ms	212 KB	b[4][4] is not 0
49	Halted	0 ms	0 KB	-

Submission #771483

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 10.0 / 10.0

Subtask #3 0 / 19.0

Subtask #4 0 / 35.0

Subtask #5 0 / 21.0

Subtask #6 0 / 4.0

Subtask #1
11.0 / 11.0

Subtask #2
10.0 / 10.0

Subtask #3
0 / 19.0

Subtask #4
0 / 35.0

Subtask #5
0 / 21.0

Subtask #6
0 / 4.0