Cod sursa(job #2914189)

Utilizator alexandru_ioan.06Alexandru Ioan alexandru_ioan.06 Data 19 iulie 2022 11:05:15
Problema Sortare prin comparare Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.55 kb
#include <fstream>
#define N_max 500001
using namespace std;
ifstream cin ("algsort.in");
ofstream cout ("algsort.out");
long long v[N_max];
int n;
void QuickSort(int l,int r)
{
   int i=l,j=r,piv=v[(l+r)/2];
    while(i<=j)
    {
        while(v[i]<piv) ++i;
        while(v[j]>piv) --j;
        if(i<=j) swap(v[i],v[j]),++i,--j;
    }
    if(i<r) QuickSort(i,r);
    if(j>l) QuickSort(l,j);
}
int main()
{
    cin>>n;
    for(int i=1;i<=n;++i) cin>>v[i];
    QuickSort(1,n);
    for(int i=1;i<=n;++i) cout<<v[i]<<" ";
    return 0;
}