Submission #993256

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
993256	2024-06-05T13:02:51 Z	Newtonabc	Connecting Supertrees (IOI20_supertrees)	C++14	21 / 100	190 ms	22348 KB

supertrees

#include "supertrees.h"
#include<bits/stdc++.h>
using namespace std;
const int N=1e3+10;
int pa[N];
bool cy[N][N];
int root(int x){
	if(pa[x]==x) return x;
	else return pa[x]=root(pa[x]);
}
int construct(vector<vector<int> > p) {
	int n = p.size();
	vector<vector<int> > answer;
	for (int i = 0; i < n; i++) {
		vector<int> row(n,0);
		answer.push_back(row);
	}
	for(int i=0;i<n;i++) pa[i]=i;
	for(int i=0;i<n;i++){
		for(int j=0;j<n;j++){
			if(p[i][j]==1 && root(i)!=root(j)){
				answer[i][j]=1;
				answer[j][i]=1;
				pa[root(i)]=root(j);
			}
			if(p[i][j]==3) return 0;
		}
	}
	for(int i=0;i<n;i++){
		for(int j=0;j<n;j++){
			if(p[i][j]==0){
				if(root(i)==root(j)) return 0;
			}
		}
	}
	for(int i=0;i<n;i++){
		for(int j=0;j<n;j++){
			int a,b;
			if(p[i][j]==2){
				a=root(i),b=root(j);
				if(a==b) return 0;
				answer[a][b]=1;
				answer[b][a]=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	0 ms	348 KB	Output is correct
6	Correct	5 ms	1112 KB	Output is correct
7	Correct	190 ms	22100 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	0 ms	348 KB	Output is correct
6	Correct	5 ms	1112 KB	Output is correct
7	Correct	190 ms	22100 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	7 ms	1116 KB	Output is correct
13	Correct	124 ms	22348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	744 KB	Output is correct
17	Correct	62 ms	12060 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	28 ms	5720 KB	Output is correct
21	Correct	128 ms	22100 KB	Output is correct
22	Correct	113 ms	22048 KB	Output is correct
23	Correct	128 ms	22100 KB	Output is correct
24	Correct	117 ms	22048 KB	Output is correct
25	Correct	56 ms	12112 KB	Output is correct
26	Correct	52 ms	12068 KB	Output is correct
27	Correct	169 ms	22104 KB	Output is correct
28	Correct	118 ms	22048 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	1 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	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	30 ms	5688 KB	Output is correct
5	Correct	116 ms	22100 KB	Output is correct
6	Correct	144 ms	22100 KB	Output is correct
7	Correct	118 ms	22036 KB	Output is correct
8	Incorrect	0 ms	344 KB	Too many ways to get from 0 to 2, should be 2 found no less than 3
9	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	0 ms	348 KB	Output is correct
6	Correct	5 ms	1112 KB	Output is correct
7	Correct	190 ms	22100 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	7 ms	1116 KB	Output is correct
13	Correct	124 ms	22348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	744 KB	Output is correct
17	Correct	62 ms	12060 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	28 ms	5720 KB	Output is correct
21	Correct	128 ms	22100 KB	Output is correct
22	Correct	113 ms	22048 KB	Output is correct
23	Correct	128 ms	22100 KB	Output is correct
24	Correct	117 ms	22048 KB	Output is correct
25	Correct	56 ms	12112 KB	Output is correct
26	Correct	52 ms	12068 KB	Output is correct
27	Correct	169 ms	22104 KB	Output is correct
28	Correct	118 ms	22048 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	1 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	0 ms	348 KB	Output is correct
6	Correct	5 ms	1112 KB	Output is correct
7	Correct	190 ms	22100 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	7 ms	1116 KB	Output is correct
13	Correct	124 ms	22348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	744 KB	Output is correct
17	Correct	62 ms	12060 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	28 ms	5720 KB	Output is correct
21	Correct	128 ms	22100 KB	Output is correct
22	Correct	113 ms	22048 KB	Output is correct
23	Correct	128 ms	22100 KB	Output is correct
24	Correct	117 ms	22048 KB	Output is correct
25	Correct	56 ms	12112 KB	Output is correct
26	Correct	52 ms	12068 KB	Output is correct
27	Correct	169 ms	22104 KB	Output is correct
28	Correct	118 ms	22048 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	1 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	-