Cod sursa(job #2507455)
| Utilizator | Data | 10 decembrie 2019 12:06:51 | |
|---|---|---|---|
| Problema | Sortare prin comparare | Scor | 40 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.56 kb |
#include <fstream>
#include <iostream>
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");
int v[500001],i,n;
int partitie(int v[],int st,int dr)
{ int p=st;
for(int i=st;i<dr;i++)
if(v[i]<=v[dr])
swap(v[i],v[p++]);
swap(v[p],v[dr]);
return p;
}
void qs(int v[],int st,int dr)
{ if(st>=dr)
return;
int p=partitie(v,st,dr);
qs(v,st,p-1);
qs(v,p+1,dr);
}
int main()
{ fin>>n;
for(i=1;i<=n;i++)
fin>>v[i];
qs(v,1,n);
for(i=1;i<=n;i++)
fout<<v[i]<<" ";
}
