Cod sursa(job #3253820)

Utilizator Bianca2507Negret Bianca Bianca2507 Data 4 noiembrie 2024 21:40:30
Problema Sortare prin comparare Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.83 kb
#include <fstream>

using namespace std;
ifstream cin("algsort.in");
ofstream cout("algsort.out");

int n,v[500005],w[500005];
void interclaseaza(int st,int mid,int dr)
{
    int i=st;
    int j=mid+1;
    int k=st-1;
    while(i<=mid && j<=dr)
    {
        if(v[i]<v[j])
            w[++k]=v[i++];
        else
            w[++k]=v[j++];
    }
    for(;i<=mid;i++)
        w[++k]=v[i];
    for(;j<=dr;j++)
        w[++k]=v[j];
    for(int i=st;i<=dr;i++)
        v[i]=w[i];
}
void sorteaza(int st,int dr)
{
    if(st<dr)
    {
        int mid=(st+dr)/2;
        sorteaza(st,mid);
        sorteaza(mid+1,dr);
        interclaseaza(st,mid,dr);
    }
}
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
        cin>>v[i];
    sorteaza(1,n);
    for(int i=1;i<=n;i++)
        cout<<v[i]<<" ";
    return 0;
}