Pagini recente » Profil AsandeiStefan | Istoria paginii utilizator/verde.cristian2005 | Diferente pentru utilizator/stargold2 intre reviziile 141 si 142 | Cod sursa (job #3139056) | Cod sursa (job #2001164)
#include <fstream>
using namespace std;
ifstream fin ("algsort.in");
ofstream fout ("algsort.out");
int v[500001], rez[500001];
void merge_sort(int st, int dr)
{
if (st==dr)
return;
int mij=(st+dr)/2;
merge_sort(st, mij);
merge_sort(mij+1, dr);
int cnt_st=st;
int cnt_dr=mij+1;
for (int i=st; i<=dr; ++i)
{
if (cnt_dr>dr || (cnt_st<=mij && v[cnt_st]<=v[cnt_dr]))
{
rez[i]=v[cnt_st];
cnt_st++;
}
else
{
rez[i]=v[cnt_dr];
cnt_dr++;
}
}
for (int i=st; i<=dr; ++i)
v[i]=rez[i];
}
int main()
{
int n;
fin>>n;
for (int i=1;i<=n;++i)
fin>>v[i];
merge_sort(1, n);
for (int i=1;i<=n;++i)
fout<<v[i]<<" ";
return 0;
}