/*************************************************************************
* *
* XX Olimpiada Informatyczna *
* *
* Zadanie: Luk triumfalny *
* Autor: Karol Pokorski *
* Zlozonosc czasowa: O(n) *
* Zlozonosc pamieciowa: O(n) *
* Opis: Rozwiazanie bledne *
* Zwraca liczbe synow wierzcholka, ktory *
* posiada ich najwiecej. *
* *
*************************************************************************/
#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;
const int MAXN = 1000001;
vector<int> adj[MAXN];
bool visited[MAXN];
int Dfs(int u) {
int result = 0, curRes = 0;
visited[u] = true;
for (int i = 0; i < (int)adj[u].size(); i++)
if (!visited[adj[u][i]]) {
result = max(result, Dfs(adj[u][i]));
curRes++;
}
return max(result, curRes);
}
int main() {
int N, ret;
ret = scanf("%d", &N);
if (ret < 0)
return 0;
for (int i = 0; i < N-1; i++) {
int u, v;
ret = scanf("%d%d", &u, &v);
u--;
v--;
adj[u].push_back(v);
adj[v].push_back(u);
}
printf("%d\n", Dfs(0));
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
3 ms |
25584 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
9 ms |
25584 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
13 ms |
25584 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
6 ms |
25584 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
13 ms |
25980 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
29 ms |
26640 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
86 ms |
28884 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
219 ms |
32184 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
346 ms |
35484 KB |
Output isn't correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
336 ms |
35484 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |