#include "supertrees.h"
#include <vector>
int pp[1001][1001];
int n;
std::vector<std::vector<int>> answer;
bool all1()
{
int i, j;
for (i = 0; i < n; i++)
for (j = 0; j < n; j++)
if (pp[i][j] != 1)
return false;
return true;
}
bool all01()
{
int i, j;
for (i = 0; i < n; i++)
for (j = 0; j < n; j++)
if (pp[i][j] > 1)
return false;
return true;
}
void solve1()
{
int i;
for (i = 0; i < n - 1; i++) {
answer[i][i + 1] = 1;
answer[i + 1][i] = 1;
}
}
int color[1001];
int nodes[1001];
int nn;
bool flag2;
void dfs(int u, int prnt)
{
int j;
// if (prnt == -1) {
// std::vector<int> v;
// for (j = 0; j < n; j++)
// if (pp[u][j])
// v.push_back(j);
// for (j = 0; j < v.size() - 1; j++)
// if (!pp[v[j]][v[j + 1]])
// flag2 = false;
// if (v.size() > 1 && !pp[v[0]][v.size() - 1])
// flag2 = false;
// }
for(j=0; j<n; j++)
if (pp[u][j] && !color[j]) {
nodes[nn++] = j;
color[j] = 1;
// if (prnt != -1 && !pp[j][prnt])
// flag2 = false;
dfs(j, u);
}
}
void solve2()
{
int i, j;
for (i = 0; i < n; i++) {
if (!color[i]) {
nn = 0;
color[i] = 1;
dfs(i, -1);
for (j = 1; j < nn; j++) {
answer[nodes[j]][nodes[j - 1]] = 1;
answer[nodes[j - 1]][nodes[j]] = 1;
}
}
}
}
int construct(std::vector<std::vector<int>> p)
{
n = p.size();
int i, j, k;
for (i = 0; i < n; i++)
for (j = 0; j < n; j++) {
if (i == j)
continue;
if (p[i][j]) {
for (k = 0; k < n; k++) {
if (k == i || k == j)
continue;
if (p[j][k] && !p[i][k])
return 0;
}
}
}
for (i = 0; i < n; i++)
for (j = 0; j < n; j++)
pp[i][j] = p[i][j];
for (int i = 0; i < n; i++) {
std::vector<int> row;
row.resize(n);
answer.push_back(row);
}
if (all1())
solve1();
else if (all01()) {
// flag2 = true;
solve2();
// if (flag2) {
// build(answer);
// return 1;
// }
// else
// return 0;
}
build(answer);
return 1;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
22 ms |
1868 KB |
Output is correct |
7 |
Execution timed out |
1076 ms |
8068 KB |
Time limit exceeded |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
22 ms |
1868 KB |
Output is correct |
7 |
Execution timed out |
1076 ms |
8068 KB |
Time limit exceeded |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 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 |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Incorrect |
0 ms |
204 KB |
Too few ways to get from 0 to 1, should be 2 found 0 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
22 ms |
1868 KB |
Output is correct |
7 |
Execution timed out |
1076 ms |
8068 KB |
Time limit exceeded |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
22 ms |
1868 KB |
Output is correct |
7 |
Execution timed out |
1076 ms |
8068 KB |
Time limit exceeded |