Cod sursa(job #1497956)

Utilizator stelian2000Stelian Chichirim stelian2000 Data 7 octombrie 2015 20:17:10
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.7 kb
#include <cstdio>

using namespace std;

int v[500010];
int aux;

void sortare(int st,int dr)
{
    int i=st,j=dr,mid=v[(i+j)/2];
    do
    {
        while(v[i]<mid) i++;
        while(v[j]>mid) j--;
        if(i<=j)
        {
            aux=v[i];
            v[i]=v[j];
            v[j]=aux;
            i++;
            j--;
        }
    }while(i<=j);
    if(st<j) sortare(st,j);
    if(dr>i) sortare(i,dr);
}

int main()
{
    freopen("algsort.in","r",stdin);
    freopen("algsort.out","w",stdout);
    int n;
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
        scanf("%d",&v[i]);
    sortare(1,n);
    for(int i=1;i<=n;i++)
        printf("%d ",v[i]);
    return 0;
}