Submission #347783

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
347783	2021-01-13 12:36:22	Blerargh	Election Campaign (JOI15_election_campaign)	C++17	100 / 100	574 ms	45292 KiB

election_campaign

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define _ <<" "<<
const ll MAXN = 1e5+5;
const ll INF = 1e18;
vector<ll> adjlist[MAXN];
bool visited[MAXN];
//lca 
ll parent[18][MAXN], depth[MAXN];
ll n;
//hld
ll stsize[MAXN], preorder[MAXN], head[MAXN], id;
void hld_sz(ll u, ll par){
    stsize[u] = 1;
    for (auto &v : adjlist[u]){
        if (v != par) {
            hld_sz(v, u);
            stsize[u] += stsize[v];
            if (adjlist[u][0] == par || stsize[v] > stsize[adjlist[u][0]]) swap(v, adjlist[u][0]);
        }
    }
    return;
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 30 / 30
• Subtask 5: 10 / 10
• Subtask 6: 40 / 40