Cod sursa(job #2053064)

Utilizator gundorfMoldovan George gundorf Data 31 octombrie 2017 14:01:21
Problema Sortare prin comparare Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.12 kb
#include <iostream>
#include <fstream>
#define Nmax 1500
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");

int v[Nmax];
void Merge (int s,int d)
{
    int i,j,k,c[Nmax],middle;
    middle=(s+d)/2;
    i=s;
    j=middle+1;
    k=0;
    while (i<=middle&&j<=d)
    {
        if (v[i]<=v[j])
        {
            k++;
            c[k]=v[i];
            i++;
        }
        else {
            k++;
            c[k]=v[j];
            j++;
        }
    }
        while (i<=middle)         {
        {   k++;
            c[k]=v[i];
            i++;
        }
        while (j<=d)
        {   k++;
            c[k]=v[j];
            j++;
        }
        k=0;
        for (i=s;i<=d;i++)
        {k++;
            v[i]=c[k];
        }
}
}


void Mergesort (int s,int d)
{
    int middle =(s+d)/2;

    if (s<d)
    {
        Mergesort(s,middle);
        Mergesort (middle+1,d);
        Merge (s,d);
    }
}
int main()
{ int n,i;
 fin>>n;
 for (i=1;i<=n;i++)
    fin>>v[i];
 Mergesort(1,n);
 for (i=1;i<=n;i++)
    fout<<v[i]<<" ";

    return 0;
}