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Cod sursa(job #515018)
#include<fstream>
using namespace std;
int l[2][505050],put[15],v[15],N;
void sort(int k)
{
int a=(k%2)^1;
int b=a^1;
if(k>=11)
return;
if(k>1)
put[k]=put[k-1]*10;
for(int i=0;i<=10;++i)
v[i]=0;
v[0]=1;
for(int i=1;i<=N;++i)
{
v[(l[a][i]/put[k])%10+1]++;
}
for(int i=1;i<=10;++i)
v[i]=v[i-1]+v[i];
for(int i=1;i<=N;++i)
{
l[b][v[(l[a][i]/put[k])%10]]=l[a][i];
++v[(l[a][i]/put[k])%10];
}
sort(k+1);
}
int main()
{
ifstream fin("algsort.in");
ofstream fout("algsort.out");
fin>>N;
for(int i=1;i<=N;++i)
fin>>l[0][i];
put[1]=1;
sort(1);
for(int i=1;i<=N;++i)
fout<<l[0][i]<<" ";
}