Cod sursa(job #2540479)

Utilizator qThunderStefan Durlanescu qThunder Data 7 februarie 2020 11:05:20
Problema Sortare prin comparare Scor 60
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.86 kb
#include <fstream>
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");
int n,v[100004],w[100004];
int detimp(int x,int y)
{
    if(x<y)
    {
        int mid=(x+y)/2;
        detimp(x,mid);
        detimp(mid+1,y);
        int i=x,j=mid+1,k=x-1;
        while(i<=mid && j<=y)
        {
            if(v[i]<v[j])
            {
                w[++k]=v[i];
                i++;
            }
            else
            {
                w[++k]=v[j];
                j++;
            }
        }
        for(;i<=mid;i++)
            w[++k]=v[i];
        for(;j<=y;j++)
            w[++k]=v[j];
        for(i=x;i<=k;i++)
            v[i]=w[i];
    }
}
int main()
{
    fin>>n;
    for(int i=1; i<=n; i++)
        fin>>v[i];
    detimp(1,n);
    for(int i=1; i<=n; i++)
        fout<<v[i]<<" ";
    return 0;
}