# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
745169 |
2023-05-19T13:43:45 Z |
Desh03 |
Traffic (IOI10_traffic) |
C++17 |
|
0 ms |
0 KB |
#include <bits/stdc++.h>
using namespace std;
vector<vector<int>> g;
vector<int> sz, a;
int ans = INT_MAX;
void dfs(int u, int p) {
sz[u] = a[u];
for (int v : g[u])
if (v ^ p)
dfs(v, u), sz[u] += sz[v];
}
void solve(int u, int p) {
int x = sz[0] - sz[u];
for (int v : g[u])
if (v ^ p)
solve(v, u), x = max(x, sz[v]);
ans = min(ans, x);
}
int LocateCentre(int n, vector<int> p, vector<int> s, vector<int> d) {
g.resize(n);
a = p;
for (int i = 0; i < n - 1; i++) {
g[s[i]].push_back(d[i]);
g[d[i]].push_back(s[i]);
}
dfs(0, 0);
solve(0, 0);
return ans;
}
Compilation message
/usr/bin/ld: /tmp/cci04UWb.o: in function `main':
grader.cpp:(.text.startup+0xe1): undefined reference to `LocateCentre(int, int*, int*, int*)'
collect2: error: ld returned 1 exit status