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Cod sursa(job #828753)
#include <fstream>
#include <queue>
using namespace std;
ifstream in("algsort.in");
ofstream out("algsort.out");
const int N=500001;
const int biti=8;
int S=1<<biti;
queue <int> buckets[1<<8];
int v[N],n,maxim;
void RadixSort(){
int i,j,place,aux;
for(i=0;maxim;maxim>>=biti,i+=biti){
for(j=1;j<=n;++j){
place=((v[j]>>i)&255);
buckets[place].push(v[j]);
}
aux=0;
for(j=0;j<=255;++j){
while(!buckets[j].empty()){
v[++aux]=buckets[j].front();
buckets[j].pop();
}
}
}
}
int main(){
int i;
in>>n;
for(i=1;i<=n;++i){
in>>v[i];
if(v[i]>maxim)
maxim=v[i];
}
RadixSort();
for(i=1;i<=n;++i){
out<<v[i]<<" ";
}
return 0;
}