Cod sursa(job #3038270)

Utilizator AlexSerban21Serban Alexandru AlexSerban21 Data 27 martie 2023 10:08:16
Problema Sortare prin comparare Scor 60
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.84 kb
#include <fstream>
using namespace std;
ifstream fin ("algsort.in");
ofstream fout ("algsort.out");
int i,n,j,k,v[100002],aux[100002];
void interclas (int st,int mij,int dr)
{
    i=st;
    j=mij+1;
    k=st-1;
    while (i<=mij&&j<=dr)
    {
        if (v[i]<v[j])
            aux[++k]=v[i++];
        else
            aux[++k]=v[j++];
    }
    for (; i<=mij; i++)
        aux[++k]=v[i];
    for (; j<=dr; j++)
        aux[++k]=v[j];
    for (i=st; i<=dr; i++)
        v[i]=aux[i];
}
void sortare (int st,int dr)
{
    if (st<dr)
    {
        int mij=(st+dr)/2;
        sortare (st,mij);
        sortare (mij+1,dr);
        interclas (st,mij,dr);
    }
}
int main()
{
    fin>>n;
    for (i=1; i<=n; i++)
        fin>>v[i];
    sortare (1,n);
    for (i=1; i<=n; i++)
        fout<<v[i]<<" ";
    return 0;
}