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Cod sursa(job #712407)
#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;
}