Cod sursa(job #3205443)

Utilizator Theo20067Cismaru Theodor-Alexe Theo20067 Data 19 februarie 2024 17:09:30
Problema Cerere Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.99 kb
#include <fstream>
#include <algorithm>
#include <cstring>
#include <vector>
using namespace std;
ifstream fin ("cerere.in");
ofstream fout("cerere.out");
int n,i,K[100003],x,y,k,tata[100003],D[100003];
vector <int> L[100003];
struct elem
{
    int val,fiu;
}ST[100003];
bool cmp(int a,int b)
{
    return K[a]>K[b];
}
void dfs(int nod,int t,int niv)
{
    for(auto j:L[nod])
        if(j!=t)
            dfs(j,nod,niv+1);
    sort(ST+1,ST+k+1,[](elem a,elem b){return a.val<b.val;});
    while(niv==ST[k].val)
    {
        tata[ST[k].fiu]=nod;
        k--;
    }
    if(K[nod]>0)
        ST[++k]={niv-K[nod],nod};
}
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
    {
        fin>>K[i];
        if(K[i]>0)
            D[i]=1;
    }
    for(i=1;i<n;i++)
    {
        fin>>x>>y;
        L[x].push_back(y);
        L[y].push_back(x);
    }
    dfs(1,0,1);
    for(i=1;i<=n;i++)
    {
        D[i]+=D[tata[i]];
        fout<<D[i]<<" ";
    }
    return 0;
}