oj.uz

Submission #847009

# Submission time Handle Problem Language Result Execution time Memory
847009 2023-09-09T01:27:54 Z 12345678 Connecting Supertrees (IOI20_supertrees) C++17
11 / 100
 162 ms 22096 KB 
#include "supertrees.h"
#include <bits/stdc++.h>

using namespace std;

const int nx=1e3+5;
int gc;
bool vs[nx];
vector<vector<int>> g(nx);

int construct(std::vector<std::vector<int>> p) {
	int n = p.size();
	vector<vector<int>> answer(n, vector<int> (n));
	for (int i=0; i<n; i++)
    {
        if (!vs[i])
        {
            queue<int> q;
            q.push(i); vs[i]=1;
            while (!q.empty())
            {
                int x=q.front(); q.pop();
                g[gc].push_back(x);
                for (int j=0; j<n; j++) if (p[i][j]&&!vs[j]) q.push(j), vs[j]=1;
            }
            for (auto x:g[gc]) for (auto y:g[gc]) if (!p[x][y]) return 0;
            for (int j=0; j<g[gc].size()-1; j++) answer[g[gc][j]][g[gc][j+1]]=answer[g[gc][j+1]][g[gc][j]]=1;
            gc++;
        }
    }
	build(answer);
	return 1;
}

/*
5
1 1 1 0 0
1 1 1 0 0
1 1 1 0 0
0 0 0 1 1
0 0 0 1 1
*/

Compilation message

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:27:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |             for (int j=0; j<g[gc].size()-1; j++) answer[g[gc][j]][g[gc][j+1]]=answer[g[gc][j+1]][g[gc][j]]=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 6 ms 1132 KB Output is correct
7 Correct 162 ms 22052 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 348 KB Output is correct
6 Correct 6 ms 1132 KB Output is correct
7 Correct 162 ms 22052 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 6 ms 1116 KB Output is correct
13 Correct 155 ms 22096 KB Output is correct
14 Incorrect 0 ms 348 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 344 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 Too few ways to get from 0 to 1, should be 2 found 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 0 ms 348 KB Output is correct
6 Correct 6 ms 1132 KB Output is correct
7 Correct 162 ms 22052 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 6 ms 1116 KB Output is correct
13 Correct 155 ms 22096 KB Output is correct
14 Incorrect 0 ms 348 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 348 KB Output is correct
6 Correct 6 ms 1132 KB Output is correct
7 Correct 162 ms 22052 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 6 ms 1116 KB Output is correct
13 Correct 155 ms 22096 KB Output is correct
14 Incorrect 0 ms 348 KB Answer gives possible 1 while actual possible 0
15 Halted 0 ms 0 KB -