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Cod sursa(job #935197)
/*
ID: i.adri1
PROG: sdo
LANG: C++
*/
#include <iostream>
#include <fstream>
#include <assert.h>
#include <math.h>
#include <string.h>
#include <string>
#include <list>
#include <vector>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <algorithm>
using namespace std;
ifstream in("algsort.in");
ofstream out("algsort.out");
void sdo(int *v, int k, int l, int r)
{
int piv = rand() % (r-l+1) + l;
swap(v[piv], v[r]);
piv = v[r];
int pfge = l;
for (int i = l; i < r; i++)
if (v[i] < piv) {
swap(v[i], v[pfge]);
pfge++;
}
swap(v[pfge], v[r]);
if (pfge - 1 - l > 0)
sdo(v, k, l, pfge - 1);
if(r - (pfge + 1) > 0)
sdo(v, k, pfge + 1, r);
}
int main()
{
int n, k = 0;
in>>n;
srand(n*11773);
int v[n];
for (int i = 0; i < n; i++)
in>>v[i];
if (n > 1)
sdo(v, k, 0, n-1);
for (int i = 0; i < n; i++)
out<<v[i]<<" ";
out<<endl;
//out<<v[k-1]<<endl;
return 0;
}