oj.uz

Submission #888217

# Submission time Handle Problem Language Result Execution time Memory
888217 2023-12-16T13:54:02 Z 12345678 Connecting Supertrees (IOI20_supertrees) C++17
46 / 100
 159 ms 22352 KB 
#include "supertrees.h"
#include <bits/stdc++.h>

using namespace std;

const int nx=1e3+5;
bool vs[nx];

int construct(std::vector<std::vector<int>> p) {
	int n = p.size();
    for (int i=0; i<n; i++) for (int j=0; j<n; j++) if (p[i][j]==3) return 0;
	vector<vector<int>> answer(n, vector<int> (n, 0));
    vector<int> h;
	for (int i=0; i<n; i++)
    {
        if (vs[i]) continue;
        vector<int> d;
        for (int j=0; j<n; j++) if (p[i][j]==1) vs[j]=1, d.push_back(j);
        h.push_back(i);
        int sz=d.size();
        for (int j=0; j<sz-1; j++) answer[d[j]][d[j+1]]=answer[d[j+1]][d[j]]=1;
    }
    for (int i=0; i<n; i++) vs[i]=0;
    for (int i=0; i<h.size(); i++)
    {
        if (vs[i]) continue;
        vector<int> d;
        for (auto j:h) if (p[i][j]) d.push_back(j), vs[j]=1;
        if (d.size()==1) continue;
        int sz=d.size();
        for (int j=0; j<sz-1; j++) answer[d[j]][d[j+1]]=answer[d[j+1]][d[j]]=1;
        answer[d[0]][d[sz-1]]=answer[d[sz-1]][d[0]]=1;
    }
	build(answer);
	return 1;
}

Compilation message

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:24:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |     for (int i=0; i<h.size(); i++)
      |                   ~^~~~~~~~~

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 344 KB Output is correct
6 Correct 6 ms 1116 KB Output is correct
7 Correct 146 ms 22096 KB Output is correct

Subtask #2
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 344 KB Output is correct
6 Correct 6 ms 1116 KB Output is correct
7 Correct 146 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 6 ms 1116 KB Output is correct
13 Correct 151 ms 22024 KB Output is correct
14 Incorrect 0 ms 344 KB Answer gives possible 1 while actual possible 0
15 Halted 0 ms 0 KB -

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
35.0 / 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 37 ms 5716 KB Output is correct
5 Correct 151 ms 21932 KB Output is correct
6 Correct 150 ms 22156 KB Output is correct
7 Correct 152 ms 22100 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 39 ms 5788 KB Output is correct
10 Correct 151 ms 22028 KB Output is correct
11 Correct 152 ms 22024 KB Output is correct
12 Correct 155 ms 22096 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 38 ms 5824 KB Output is correct
17 Correct 159 ms 22132 KB Output is correct
18 Correct 151 ms 22020 KB Output is correct
19 Correct 155 ms 22352 KB Output is correct
20 Correct 151 ms 22100 KB Output is correct

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 344 KB Output is correct
6 Correct 6 ms 1116 KB Output is correct
7 Correct 146 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 6 ms 1116 KB Output is correct
13 Correct 151 ms 22024 KB Output is correct
14 Incorrect 0 ms 344 KB Answer gives possible 1 while actual possible 0
15 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 344 KB Output is correct
6 Correct 6 ms 1116 KB Output is correct
7 Correct 146 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 6 ms 1116 KB Output is correct
13 Correct 151 ms 22024 KB Output is correct
14 Incorrect 0 ms 344 KB Answer gives possible 1 while actual possible 0
15 Halted 0 ms 0 KB -