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Cod sursa(job #672953)
#include<fstream>
#define CT 10000L
using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");
void quicksort(int v[CT], int left, int right);
int main()
{
int N, v[CT], i;
f>>N;
for(i=1; i<=N; i++)
{
f>>v[i];
}
quicksort(v, 1, N);
for(i=1; i<=N; i++) g<<v[i]<<" ";
return 0;
}
void quicksort(int v[CT], int left, int right)
{
int aux, mid, i,j;
i=left;
j=right;
mid=v[(left+right)/2];
while(i<=j)
{
while(v[i]<mid)
i++;
while(v[j]>mid)
j--;
if(i<=j)
{
aux=v[i];
v[i]=v[j];
v[j]=aux;
i++;
j--;
}
}
if(left<j)
quicksort(v, left, j);
if(i<right)
quicksort(v, i, right);
}