Cod sursa(job #712407)

Utilizator a96tudorAvram Tudor a96tudor Data 13 martie 2012 13:46:04
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 1.24 kb
#include<cstdio>
using namespace std;
int a[500010],v[500010],cif[15],n,i,nr,cop,MAX,x,j;
int putere(int x)
{
    int put,i;
    put=1;
    for (i=1;i<=x;i++)
        put*=10;
    return put;
}
void fill(int x)
{
    int i,c;
    for (i=1;i<=n;i++)
    {
        c=a[i]/x%10;
        cif[c]++;
    }
    for (i=0;i<=9;i++)
        cif[i]=cif[i]+cif[i-1];
    for (i=9;i>=0;i--)
        cif[i+1]=cif[i];
    cif[0]=0;
}
void sortt(int x)
{
    int i,c,poz;
    for (i=1;i<=n;i++)
    {
        c=a[i]/x%10;
        poz=cif[c]+1;
        cif[c]++;
        v[poz]=a[i];
    }
}
void interschimb()
{
    int i;
    for (i=1;i<=n;i++)
        a[i]=v[i];
}
int main()
{
    freopen("algsort.in","r",stdin);
    freopen("algsort.out","w",stdout);
    scanf("%d",&n);
    for (i=1;i<=n;i++)
    {
        scanf("%d",&a[i]);
        cop=a[i];
        nr=0;
        while (cop!=0)
        {
            nr++;
            cop/=10;
        }
        if (nr>MAX) MAX=nr;
    }
    for (i=1;i<=MAX+1;i++)
    {
        x=putere(i-1);
        for (j=0;j<=10;j++)
            cif[j]=0;
        fill(x);
        sortt(x);
        interschimb();
    }
    for (i=1;i<=n;i++)
        printf("%d ",a[i]);
    return 0;
}