Submission #1159613

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1159613	2025-03-01 02:29:01	duccnamm	Two Currencies (JOI23_currencies)	C++20	100 / 100	3690 ms	50008 KiB

currencies

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
ll n,m,q,uu[100005],vv[100005],p[100005],child[100005],h[100005],par[100005],in[100005],out[100005],chainhead[100005],chainid[100005],timehld,timedfs,f[400005],l[100005],r[100005],dd,s[100005],t[100005],x[100005],y[100005],vc[100005],pp[100005];
vector<ll>a[100005];
vector<ll>que[100005];
pair<ll,ll>c[100005];
void dfsmake(ll x,ll pa)
{
    child[x]=1;
    for(auto it:a[x])
        if(it!=pa)
        {
            h[it]=h[x]+1;
            par[it]=x;
            dfsmake(it,x);
            child[x]+=child[it];
        }
}
void dfshld(ll x,ll pa)
{
    if(chainhead[timehld]==0)
        chainhead[timehld]=x;
    chainid[x]=timehld;
    timedfs++;
    in[x]=timedfs;
    ll heavy=0;
    for(auto it:a[x])
        if(it!=pa)
            if(heavy==0||child[it]>child[heavy])heavy=it;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32