Cod sursa(job #2501462)

Utilizator RadianElevenAdrian Ariotn RadianEleven Data 29 noiembrie 2019 19:21:25
Problema Curcubeu Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 2.17 kb
#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f ("secvmax.in");
ofstream g ("secvmax.out");
long long n, m;
struct Xp{
    long long x;
    long long poz;
};
long long vek[100008], v[100008], d[100008];
Xp aa[100008];
long long t[100008];
Xp svk[100008];
Xp x[100008];
bool cmp1(Xp y, Xp z)
{
    if(y.x >= z.x)
        return false;
    return true;
}
bool cmp2(Xp y, Xp z)
{
    if(y.poz > z.poz)
        return false;
    return true;
}

long long calc(long long unsigned x)
{


    long long y=x, z=x;
    while(t[z]!=z) z=t[z];
    while(t[x]!=x)
    {
        x=t[x];
        t[y]=z;
        y=x;
    }
  //  cout<<"  x"<<x<<"."<<z<<"\n";
    return z;
}
long long  ans=1;
void join(long long x, long long y)
{
    if(d[x]<d[y])
    {
        t[x]=y;
        d[y]+=d[x];
        ans=max(ans, d[y]);
    } else {
        t[y]=x;
        d[x]+=d[y];
        ans=max(ans, d[x]);
    }
}
int main()
{

    f>>n>>m;
    for(long long i=1;i<=n;++i)
    {
        t[i]=i;
        d[i]=1;
    }
    for(long long i=1;i<=n;++i)
    {
        f>>vek[i];
        svk[i].x=vek[i];
        svk[i].poz=i;

    }
    vek[n+1]= 2000000000;
    for(long long i=1;i<=m;++i)
    {
        f>>x[i].x;
        x[i].poz=i;
    }
    sort(svk+1, svk+n+1, cmp1);

    sort(x+1, x+m+1, cmp1);
    for(long long i=1;i<=m;++i)
    {
        aa[i].poz=x[i].poz;
    }
    long long j=1;
    for(long long i=1;i<=m;++i)
    {
        long long elem =x[i].x;


        while(svk[j].x<=elem)
        {

            v[svk[j].poz]=1;
            long long q=svk[j].poz;

            if(v[q-1]==1)
            {
                long long v1=calc(q), v2=calc(q-1);
                if(v1!=v2)
                    join(v1, v2);
            }
            if(v[q+1]==1)
            {
                long long  v1=calc(q), v2=calc(q+1);
                if(v1!=v2)
                    join(v1, v2);
            }

            j++;
        }


        aa[i].x=ans;


    }
    sort(aa+1, aa+m+1, cmp2);
    for(long long  i=1;i<=m;++i)
    {
        g<<aa[i].x<<"\n";
    }
    return 0;
}