Pagini recente » Cod sursa (job #2864283) | Cod sursa (job #2471494) | Cod sursa (job #428015) | Cod sursa (job #2505462) | Cod sursa (job #3031505)
#include <iostream>
#include <vector>
#include <fstream>
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");
int v[500000], tmp[500000];
void MergeSort(int v[], int st, int dr)
{
if(st < dr)
{
int m = (st + dr) / 2;
MergeSort(v, st , m);
MergeSort(v, m + 1 , dr);
int i = st, j = m + 1, k = 0;
while( i <= m && j <= dr )
if( v[i] < v[j])
tmp[++k] = v[i++];
else
tmp[++k] = v[j++];
while(i <= m)
tmp[++k] = v[i++];
while(j <= dr)
tmp[++k] = v[j++];
for(i = st , j = 1 ; i <= dr ; i ++ , j ++)
v[i] = tmp[j];
}
}
void QuickSort(int v[], int st, int dr)
{
if(st < dr)
{
int m = (st + dr) / 2;
int aux = v[st];
v[st] = v[m];
v[m] = aux;
int i = st , j = dr, d = 0;
while(i < j)
{
if(v[i] > v[j])
{
aux = v[i];
v[i] = v[j];
v[j] = aux;
d = 1 - d;
}
i += d;
j -= 1 - d;
}
QuickSort(v, st , i - 1);
QuickSort(v, i + 1 , dr);
}
}
int main() {
int n,i;
fin>>n;
for(i=1;i<=n;i++)
fin>>v[i];
///MergeSort(v,1,n);
QuickSort(v,1,n);
for(i=1;i<=n;i++)
fout<<v[i]<<" ";
return 0;
}