Submission #343075

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
343075	2021-01-03 11:56:38	mjhmjh1104	Village (BOI20_village)	C++14	100 / 100	200 ms	30180 KiB

Village

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <queue>
#include <cstdio>
#include <vector>
#include <numeric>
#include <algorithm>
using namespace std;
const int MAX = 100006;
int n, maxDepth[MAX], depth[MAX], childs[MAX], sz[MAX];
vector<int> adj[MAX], c[MAX];
int nextShort[MAX], e[MAX], resShort;
int nextLong[MAX];
long long resLong;
bool visited[MAX];
vector<int> tmp[MAX];
int tok[MAX];
int dfs(int x, int prev = -1) {
    sz[x] = 1;
    for (auto &i: adj[x]) if (i != prev) {
        c[x].push_back(i);
        sz[x] += dfs(i, x);
    }
    return sz[x];
}
int centroid(int x, int prev = -1) {
    for (auto &i: adj[x]) if (i != prev && sz[i] > n / 2) return centroid(i, x);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

Village.cpp: In function 'int main()':
Village.cpp:80:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   80 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
Village.cpp:84:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   84 |         scanf("%d%d", &u, &v);
      |         ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 38 / 38
• Subtask 3: 50 / 50