Cod sursa(job #3125889)

Utilizator adelinapetreAdelina Petre adelinapetre Data 4 mai 2023 18:55:59
Problema Sortare prin comparare Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.75 kb
#include <fstream>
using namespace std;
ifstream cin("algsort.in");
ofstream cout("algsort.out");
int v[500005],rez[500005];
void sortare(int st, int dr)
{
    if(st==dr)
       return;
    sortare(st, (st+dr)/2);
    sortare((st+dr)/2+1,dr);
    int i=st,j=(st+dr)/2+1,poz=0;
    while(i<=(st+dr)/2 && j<=dr)
    {
        if(v[i]<v[j])
            rez[++poz]=v[i++];
        else
            rez[++poz]=v[j++];
    }
    while(i<=(st+dr)/2)
        rez[++poz]=v[i++];
    while(j<=dr)
        rez[++poz]=v[j++];
    for(i=st; i<=dr; i++)
        v[i]=rez[i-st+1];
}
int main()
{
    int n,i;
    cin>>n;
    for(i=1; i<=n; i++)
        cin>>v[i];
    sortare(1,n);
    for(i=1; i<=n; i++)
        cout<<v[i]<<" ";
    return 0;
}