Pagini recente » Profil M@2Te4i | Statistici Emi Zamfir (Emmy10) | Atasamentele paginii Clasament ichb-locala-2013-11-12 | Istoria paginii utilizator/george3456likes_piezisa | Cod sursa (job #1005956)
#include<iostream>
#include<fstream>
int a[500000],c[500000],i,n;
void merges(unsigned st, unsigned dr)
{
if (st == dr)return;
unsigned m = (st + dr) / 2;
merges(st, m);
merges(m + 1, dr);
unsigned j = st, i = m + 1, s = 0;
while (j <= m || i <= dr)
{
if (j > m){ c[s++] = a[i++]; continue; }
if (i > dr){ c[s++] = a[j++]; continue; }
if (a[j] > a[i])c[s++] = a[i++];
else c[s++] = a[j++];
}
for (j = st, i = 0; i < s; i++, j++)a[j] = c[i];
}
int main()
{
std::ifstream f("algsort.in");
f >> n;
for (int i = 0; i < n; i++)f >> a[i];
f.close();
merges(0, n - 1);
std::ofstream g("algsort.out");
for (int i = 0; i < n; i++)g << a[i] << " ";
g.close();
}