Pagini recente » Cod sursa (job #1633372) | Cod sursa (job #2031289) | Cod sursa (job #3222892) | Cod sursa (job #180956) | Cod sursa (job #2703543)
#include <iostream>
#include <fstream>
using namespace std;
const int Max=500005;
ifstream in("algsort.in");
ofstream out("algsort.out");
int n,v[Max],aux[Max];
void intercls(int st,int dr,int mid)
{
int i=st,j=mid+1,c=0;
while(i<=mid && j<=dr)
if(v[i]<v[j])
{
aux[++c]=v[i];
i++;
}
else
{
aux[++c]=v[j];
j++;
}
while(i<=mid)
{
aux[++c]=v[i];
i++;
}
while(j<=dr)
{
aux[++c]=v[j];
j++;
}
int k=st;
for(int i=1;i<=c;i++)
v[k++]=aux[i];
}
void merge_sort(int st,int dr)
{
if(st<dr)
{
int mid=((st+dr)>>1);
merge_sort(st,mid);
merge_sort(mid+1,dr);
intercls(st,dr,mid);
}
}
int main()
{
in>>n;
for(int i=1;i<=n;i++)
in>>v[i];
merge_sort(1,n);
for(int i=1;i<=n;i++)
out<<v[i]<<" ";
return 0;
}