Cod sursa(job #2162445)

Utilizator andreiutu111Noroc Andrei Mihail andreiutu111 Data 12 martie 2018 11:09:09
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.5 kb
#include<bits/stdc++.h>
using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");
int N,v[500001];
void QuickSort(int st,int dr){
    int i=st,j=dr,piv=v[(st+dr)/2];
    while(i<=j){
        while(v[i]<piv)++i;
        while(piv<v[j])--j;
        if(i<=j)swap(v[i],v[j]),++i,--j;
    }
    if(st<j)QuickSort(st,j);
    if(i<dr)QuickSort(i,dr);
}
int main()
{
    f>>N;
    for(int i=1;i<=N;++i)f>>v[i];
    QuickSort(1,N);
    for(int i=1;i<=N;++i)g<<v[i]<<' ';
    return 0;
}