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Cod sursa(job #505579)
#include <fstream>
using namespace std;
int a[500001];
void insertion(int l, int r){
int i, j, v;
for(i = l + 1; i <= r; i++){
v = a[i];
j = i - 1;
while(j >= l && a[j] > v) {a[j+1] = a[j]; j--;}
a[j+1] = v;
}
}
void quick(int l, int r){
if(r - l - 1 > 8){
int aux, m = l, i;
for(i = l + 1; i <= r; i++)
if(a[i] < a[l])
aux = a[i], a[i] = a[++m], a[m] = aux;
aux = a[l], a[l] = a[m], a[m] = aux;
quick(l, m-1);
quick(m+1, r);
}
else insertion(l, r);
}
int main(){
ifstream f("algsort.in");
ofstream g("algsort.out");
int i = 0, n;
f>>n;
for(i = 0; i < n; i++)
f>>a[i];
quick(0, n-1);
for(i = 0; i < n; i++)
g<<a[i]<<" ";
return 0;
}