Submission #411973

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
411973	2021-05-26T11:21:29 Z	dolijan	Connecting Supertrees (IOI20_supertrees)	C++14	21 / 100	248 ms	23308 KB

supertrees

#include "supertrees.h"
#include <vector>
using namespace std;
int construct(std::vector<std::vector<int> > p) {
	int n = p.size();
	std::vector<std::vector<int> > answer;
	answer.resize(n);
	for(int i=0;i<n;i++) answer[i].resize(n);
	int daddy[n];
	for(int i=0;i<n;i++) daddy[i]=i;
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<n;j++)
        {
            answer[i][j]=0;
        }
    }
	for(int i=0;i<n;i++)
    {
        for(int j=i+1;j<n;j++)
        {
            if(p[i][j]==1 && daddy[i]!=daddy[j]){
                daddy[j]=daddy[i];
                answer[j][daddy[i]]=1;
                answer[daddy[i]][j]=1;
            }
        }
    }
    for(int i=0;i<n;i++)
    {
        for(int j=i+1;j<n;j++)
        {
            if(p[i][j]==0)
            {
                if(daddy[i]==daddy[j]) return 0;
            }
            if(p[i][j]==1)
            {
                if(daddy[i]!=daddy[j]) return 0;
            }
        }
    }
	build(answer);
	return 1;
}

Subtask #1

11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	276 KB	Output is correct
6	Correct	11 ms	1196 KB	Output is correct
7	Correct	230 ms	22476 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	276 KB	Output is correct
6	Correct	11 ms	1196 KB	Output is correct
7	Correct	230 ms	22476 KB	Output is correct
8	Correct	1 ms	284 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	284 KB	Output is correct
12	Correct	10 ms	1224 KB	Output is correct
13	Correct	247 ms	22488 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	7 ms	716 KB	Output is correct
17	Correct	122 ms	12636 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	72 ms	5940 KB	Output is correct
21	Correct	241 ms	22460 KB	Output is correct
22	Correct	237 ms	22524 KB	Output is correct
23	Correct	246 ms	22604 KB	Output is correct
24	Correct	248 ms	22516 KB	Output is correct
25	Correct	109 ms	12688 KB	Output is correct
26	Correct	120 ms	13340 KB	Output is correct
27	Correct	244 ms	23236 KB	Output is correct
28	Correct	234 ms	23308 KB	Output is correct

Subtask #3

0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Incorrect	1 ms	204 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	1 ms	276 KB	Output is correct
2	Incorrect	1 ms	204 KB	Too few ways to get from 0 to 1, should be 2 found 0
3	Halted	0 ms	0 KB	-

Subtask #5

0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	276 KB	Output is correct
6	Correct	11 ms	1196 KB	Output is correct
7	Correct	230 ms	22476 KB	Output is correct
8	Correct	1 ms	284 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	284 KB	Output is correct
12	Correct	10 ms	1224 KB	Output is correct
13	Correct	247 ms	22488 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	7 ms	716 KB	Output is correct
17	Correct	122 ms	12636 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	72 ms	5940 KB	Output is correct
21	Correct	241 ms	22460 KB	Output is correct
22	Correct	237 ms	22524 KB	Output is correct
23	Correct	246 ms	22604 KB	Output is correct
24	Correct	248 ms	22516 KB	Output is correct
25	Correct	109 ms	12688 KB	Output is correct
26	Correct	120 ms	13340 KB	Output is correct
27	Correct	244 ms	23236 KB	Output is correct
28	Correct	234 ms	23308 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Incorrect	1 ms	204 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	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	276 KB	Output is correct
6	Correct	11 ms	1196 KB	Output is correct
7	Correct	230 ms	22476 KB	Output is correct
8	Correct	1 ms	284 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	284 KB	Output is correct
12	Correct	10 ms	1224 KB	Output is correct
13	Correct	247 ms	22488 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	7 ms	716 KB	Output is correct
17	Correct	122 ms	12636 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	72 ms	5940 KB	Output is correct
21	Correct	241 ms	22460 KB	Output is correct
22	Correct	237 ms	22524 KB	Output is correct
23	Correct	246 ms	22604 KB	Output is correct
24	Correct	248 ms	22516 KB	Output is correct
25	Correct	109 ms	12688 KB	Output is correct
26	Correct	120 ms	13340 KB	Output is correct
27	Correct	244 ms	23236 KB	Output is correct
28	Correct	234 ms	23308 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Incorrect	1 ms	204 KB	Answer gives possible 1 while actual possible 0
33	Halted	0 ms	0 KB	-