Pagini recente » Cod sursa (job #480194) | Cod sursa (job #429133) | Cod sursa (job #820498) | Cod sursa (job #450436) | Cod sursa (job #631970)
Cod sursa(job #631970)
#include<fstream>
#define nmax 50005
using namespace std;
int n;
int a[nmax];
void citire()
{
ifstream fin("algsort.in");
fin>>n;
for(int i=0;i<n;i++)
fin>>a[i];
fin.close();
}
void afisare()
{
ofstream fout("algsort.out");
for(int i=0;i<n;i++)
fout<<a[i]<<" ";
fout.close();
}
void interschimba(int &a,int &b)
{
int aux;
aux=a;
a=b;
b=aux;
}
void quick_sort(unsigned int st,unsigned int dr)
{
if(st<dr)
{
unsigned int mijl=(st+dr)/2;
unsigned int i,j;
i=st;j=dr;
while(i<=j)
{
while(a[i]<a[mijl]) i++;
while(a[j]>a[mijl]) j--;
if(i<=j)
interschimba(a[i++],a[j--]);
}
if(st<j)
quick_sort(st,j);
if(dr>i)
quick_sort(i,dr);
}
}
int main()
{
citire();
if(n>=1)
quick_sort(0,n-1);
afisare();
return 0;
}