Pagini recente » Istoria paginii runda/testasd/clasament | Cod sursa (job #693391) | Rating Gradisteanu Andrei (andrei1985) | Istoria paginii runda/oni_2009_11-12_z2/clasament | Cod sursa (job #1023414)
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");
int a[50001],b[50001],n;
void interclasare(int i,int m,int j)
{ int x=i;
int k=1;
int y=m+1;
while(x<=m && y<=j)
if (a[x]<a[y])
b[k++]=a[x++];
else
b[k++]=a[y++];
while (x<=m)
b[k++]=a[x++];
while (y<=j)
b[k++]=a[y++];
int t=i;
for (k=1;k<=(j-i)+1;k++)
a[t++]=b[k];
}
void merge(int i, int j,int a[50001])
{
int p=j;
if (i<j)
{
int m=(i+j)/2;
merge(i,m,a);
merge(m+1,j,a);
interclasare(i,m,j);
}
}
int main()
{
f>>n;
int i;
for(i=1;i<=n;i++)
f>>a[i];
merge(1,n,a);
for(i=1;i<=n;i++)
g<<a[i]<<' ';
}