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Cod sursa(job #276135)
#include<fstream.h>
ifstream fin("algsort.in");
ofstream fout("algsort.out");
#define max 500007
int a[max],n;
int poz(int ld,int ls)
{int i=ld,j=ls,ii=0,jj=-1,aux;
while(i<j)
{if(a[i]>a[j])
{aux=a[i];
a[i]=a[j];
a[j]=aux;
aux=ii;
ii=-jj;
jj=-aux;
}
i+=ii;
j+=jj;
}
return i;
}
void quick(int ld,int ls)
{int k;
if(ld<ls)
{ k=poz(ld,ls);
quick(ld,k-1);
quick(k+1,ls);
}
}
int main()
{ int i;
fin>>n;
for(i=1;i<=n;i++)fin>>a[i];
quick(1,n);
for(i=1;i<=n;i++)fout<<a[i]<<" ";
fin.close();
fout.close();
return 0;
}