Submission #255333

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
2553332020-07-31 17:35:40ErkhemkhuuHighway Tolls (IOI18_highway)C++17
0 / 100
29 ms19192 KiB
#include <bits/stdc++.h>
#include <highway.h>
using namespace std;
#define ll long long
#define pb push_back
#define mp make_pair
#define F first
#define S second
const int N = 150005;
pair <int, int> par[N];
vector < pair <int, int> > adj[N];
int flat[N], timer;
void dfs(int v, int p) {
flat[timer++] = v;
for(auto &u: adj[v]) {
if(u.F == p) continue;
par[u.F] = {v, u.S};
dfs(u.F, v);
}
return;
}
void find_pair(int n, vector <int> u, vector <int> v, int a, int b) {
int i, m, l, r, mid, s, t;
ll max_cost;
m = u.size();
vector <int> w(m);
for(i = 0; i < m; i++) {
adj[u[i]].pb({v[i], i});
adj[v[i]].pb({u[i], i});
}
 
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