Cod sursa(job #1267673)

Utilizator Vladut-Vlad Panait Vladut- Data 20 noiembrie 2014 08:31:05
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.85 kb
#include <iostream>
#include <fstream>
using namespace std;
int v[500005], x[500005], n;

ifstream fin("algsort.in");
ofstream fout("algsort.out");

void mrgsrt(int left, int right)
{

        if(left<right)
        {
    int i, j, k, m;
    m= (left + right)/2;
    mrgsrt(left, m);
    mrgsrt(m+1, right);
    i=left;
    j=m+1;
    k=left;
    while(i<=m && j<=right)
    {
        if(v[i]<v[j])
            x[k++]=v[i++];
        else x[k++]=v[j++];
    }
    while(i<=m)
        x[k++]=v[i++];
    while(j<=right)
    x[k++]=v[j++];
    for(k=left; k<=right; k++)
        v[k]=x[k];
}
}

int main()
{
    fin >> n;
    for(int i=1; i<=n; i++)
        fin >> v[i];
        mrgsrt(1, n);
    for(int i=1; i<=n; i++)
        fout<<v[i]<<" ";
        fout<<"\n";
        fin.close();
        fout.close();

    return 0;
}