Cod sursa(job #1226471)

Utilizator icansmileSmileSmile icansmile Data 5 septembrie 2014 16:55:42
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.82 kb
#include<fstream>
using namespace std;
ifstream f("algsort.in",ios::in);
ofstream g("algsort.out",ios::out);
int a[500001];
void quick( int inf, int sup)
{
     int p,i,j,x,t;
     i=inf;
     j=sup;
     x=a[(i+j)/2];
     do
     {
                  while( (i<=sup) && (a[i]<x)) i++;
                  while( (j>=inf) && (a[j]>x)) j--;
                  if(i<=j)
                  {
                          t=a[i];
                          a[i]=a[j];
                          a[j]=t;
                          i++;
                          j--;}}
     while(i<=j);
     if(inf<j) quick(inf,j);
     if(sup>i) quick(i,sup);}
int main()
{
    int k,n;
    f>>n;
    for(k=1;k<=n;k++)
    f>>a[k];
    quick(1,n);
    for(k=1;k<=n;k++)
    g<<a[k]<<' ';
    return 0;}