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Cod sursa(job #462609)
#include <fstream.h>
ifstream f("algsort.in");
ofstream g("algsort.out");
long long v[500002],i,j,n;
int pozitie(int i,int j){
int aux,di=0,dj=1;
while(i<=j){
if(v[i]>v[j]){
aux=v[i];
v[i]=v[j];
v[j]=aux;
aux=di;
di=dj;
dj=aux;
}
i=i+di;
j=j-dj;
}
return i;
}
void divide(int i,int j){
int k;
if(i<j){
k=pozitie(i,j);
divide(i,k-1);
divide(k+1,j);
}
}
int main(){
f>>n;
for(i=1;i<=n;i++)
f>>v[i];
divide(1,n);
for(i=1;i<=n;i++)
g<<v[i]<<" ";
return 0;
}