Submission #1063273

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1063273	2024-08-17T16:12:41 Z	jamjanek	Connecting Supertrees (IOI20_supertrees)	C++14	21 / 100	139 ms	22100 KB

supertrees

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

int father1[1010], father[1010], father3[1010];
int find1(int x){
	if(father1[x]==x)return x;
	return father1[x] = find1(father1[x]);
}
int find2(int x){
	if(father[x]==x)return x;
	return father[x] = find2(father[x]);
}
vector<int>cykle[1010];

int construct(std::vector<std::vector<int>> p) {
	int n = p.size(), i, j;
	for(i=0;i<n;i++)father[i] = father1[i] = i;
	std::vector<std::vector<int>> answer = p;
	for(i=0;i<n;i++)
		for(j=0;j<n;j++)
			answer[i][j] = 0;
	for(i=0;i<n;i++)
		for(j=0;j<n;j++){
			if(p[i][j]==3 || (i==j && p[i][j]!=1) || (p[i][j]!=p[j][i]))
				return 0;
			if(p[i][j]>0)
				father1[find1(i)] = find1(j);
			else
				if(find1(i)==find2(j))return 0;
			if(p[i][j]==1 && find2(i)!=find2(j)){
				father[find2(i)] = find2(j);
				answer[i][j] = answer[j][i] = 1;
			}
		}
	for(i=0;i<n;i++)
		for(j=0;j<n;j++)
			if(p[i][j]==2 && find2(i)==find2(j))
				return 0;
	for(i=0;i<n;i++)
		father3[i] = find2(i);
	for(i=0;i<n;i++)
		if(find2(i)==i)
			for(j=0;j<n;j++)
				if(p[i][j]==2){
					cykle[find2(j)].push_back(find2(i));
				}
	for(int j=0;j<n;j++){
		if(cykle[j].size()==2)return 0;
		for(i=0;i<(int)cykle[j].size();i++){
			int mod = cykle[j].size();
			answer[cykle[j][i]][cykle[j][(i+1)%mod]] = 1;
			answer[cykle[j][(i+1)%mod]][cykle[j][i]] = 1;
		}
	}
	build(answer);
	return 1;
}

Subtask #1

11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	5 ms	1116 KB	Output is correct
7	Correct	133 ms	22096 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	5 ms	1116 KB	Output is correct
7	Correct	133 ms	22096 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	5 ms	1116 KB	Output is correct
13	Correct	125 ms	22052 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	5 ms	860 KB	Output is correct
17	Correct	56 ms	12116 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	29 ms	5788 KB	Output is correct
21	Correct	127 ms	22048 KB	Output is correct
22	Correct	117 ms	22100 KB	Output is correct
23	Correct	127 ms	22096 KB	Output is correct
24	Correct	117 ms	22100 KB	Output is correct
25	Correct	68 ms	12112 KB	Output is correct
26	Correct	65 ms	12116 KB	Output is correct
27	Correct	128 ms	22100 KB	Output is correct
28	Correct	139 ms	22100 KB	Output is correct

Subtask #3

0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Incorrect	0 ms	348 KB	Answer gives possible 1 while actual possible 0
5	Halted	0 ms	0 KB	-

Subtask #4

0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Incorrect	0 ms	348 KB	Answer gives possible 0 while actual possible 1
3	Halted	0 ms	0 KB	-

Subtask #5

0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	5 ms	1116 KB	Output is correct
7	Correct	133 ms	22096 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	5 ms	1116 KB	Output is correct
13	Correct	125 ms	22052 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	5 ms	860 KB	Output is correct
17	Correct	56 ms	12116 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	29 ms	5788 KB	Output is correct
21	Correct	127 ms	22048 KB	Output is correct
22	Correct	117 ms	22100 KB	Output is correct
23	Correct	127 ms	22096 KB	Output is correct
24	Correct	117 ms	22100 KB	Output is correct
25	Correct	68 ms	12112 KB	Output is correct
26	Correct	65 ms	12116 KB	Output is correct
27	Correct	128 ms	22100 KB	Output is correct
28	Correct	139 ms	22100 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Incorrect	0 ms	348 KB	Answer gives possible 1 while actual possible 0
33	Halted	0 ms	0 KB	-

Subtask #6

0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	5 ms	1116 KB	Output is correct
7	Correct	133 ms	22096 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	5 ms	1116 KB	Output is correct
13	Correct	125 ms	22052 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	5 ms	860 KB	Output is correct
17	Correct	56 ms	12116 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	29 ms	5788 KB	Output is correct
21	Correct	127 ms	22048 KB	Output is correct
22	Correct	117 ms	22100 KB	Output is correct
23	Correct	127 ms	22096 KB	Output is correct
24	Correct	117 ms	22100 KB	Output is correct
25	Correct	68 ms	12112 KB	Output is correct
26	Correct	65 ms	12116 KB	Output is correct
27	Correct	128 ms	22100 KB	Output is correct
28	Correct	139 ms	22100 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Incorrect	0 ms	348 KB	Answer gives possible 1 while actual possible 0
33	Halted	0 ms	0 KB	-