Mai intai trebuie sa te autentifici.
Cod sursa(job #1021017)
| Utilizator | Data | 2 noiembrie 2013 23:30:59 | |
|---|---|---|---|
| Problema | Sortare prin comparare | Scor | 80 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.8 kb |
#include <fstream>
using namespace std;
ifstream cin("algsort.in");
ofstream cout("algsort.out");
void countsort(int v[], int n, int p)
{
int a[n], i, x[10]={0}, c;
for(i=1; i<=n; i++)
{
c=(v[i]/p)%10;
x[c]++;
}
for(c=1; c<=9; c++)
x[c]+=x[c-1];
for(i=n; i>=1; i--)
{
c=(v[i]/p)%10;
a[x[c]]=v[i];
x[c]--;
}
for(i=1; i<=n; i++)
v[i]=a[i];
}
void radixsort(int v[], int n)
{
int mx=v[1];
for(int i=2; i<n; i++)
if (v[i]>mx)
mx=v[i];
for(int p=1; mx/p>0; p*=10)
countsort(v, n, p);
}
int main()
{
int v[500001], n, i;
cin>>n;
for(i=1; i<=n; i++) cin>>v[i];
radixsort(v, n);
for(i=1; i<=n; i++) cout<<v[i]<<" ";
return 0;
}
