Pagini recente » Cod sursa (job #1829855) | Cod sursa (job #2532059) | Cod sursa (job #315243) | Cod sursa (job #1642707) | Cod sursa (job #3261299)
#include <bits/stdc++.h>
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");
int a[500001], b[500001], n;
void Citire()
{
fin >> n;
for(int i = 1;i <= n;i++)
fin >> a[i];
}
void Intercls(int st, int m, int dr)
{
int i, j, l;
i = l = st; j = m + 1;
while(i <= m && j <= dr)
{
if(a[i] < a[j]) b[l++] = a[i++];
else b[l++] = a[j++];
}
while(i <= m) b[l++] = a[i++];
while(j <= dr) b[l++] = a[j++];
for(int i = st;i <= dr;i++) a[i] = b[i];
}
void MergeSort(int st, int dr)
{
if(st < dr)
{
int m = (st + dr) / 2;
MergeSort(st, m);
MergeSort(m + 1, dr);
Intercls(st, m, dr);
}
}
void Afisare()
{
for(int i = 1;i <= n;i++)
fout<<a[i]<<" ";
}
int main()
{
Citire();
MergeSort(1, n);
Afisare();
return 0;
}