Cod sursa(job #2282153)

Utilizator Bogdan_BuzatuBuzatu Bogdan Mihai Bogdan_Buzatu Data 13 noiembrie 2018 12:52:41
Problema Sortare prin comparare Scor 40
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.83 kb
#include <fstream>
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");
int w[100000],v[100000],n;
void divid(int st,int dr){
    if(st<dr){
        int mid=(st+dr)/2;
        divid(st,mid);
        divid(mid+1,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 (i=st;i<=dr;i++)
            v[i] = w[i];

    }

}
int main(){
    fin>>n;
    for(int i=1;i<=n;i++){
        fin>>v[i];

    }
    divid(1,n);
    for(int i=1;i<=n;i++){
        fout<<v[i]<<" ";
    }



}