Submission #1084828

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1084828	2024-09-07 04:43:17	vjudge1	Race (IOI11_race)	C++17	100 / 100	1552 ms	128732 KiB

race

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
const ll N = 2e5 + 10;
vector<array<ll, 2>> ad[N];
ll mark[N], sz[N], ans = 1e18, k;
array<ll, 2> nodes[N];
int t, tin[N], tout[N], lv[N];
unordered_map <ll, ll> we;
ll size(ll node, ll par) {
    sz[node] = 1;
    for (auto [v, w] : ad[node]) {
        if (v != par and !mark[v]) {
            sz[node] += size(v, node);
        }
    }
    return sz[node];
}
ll centroid(ll node, ll par, ll s) {
    for (auto [v, w] : ad[node]) {
        if (v != par and !mark[v]) {
            if (sz[v] > s / 2) return centroid(v, node, s);
        }
    }
    return node;
}
void dfs(ll node, ll par, ll wt, int l = 0) {
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57