Cod sursa(job #1300675)

Utilizator ovidiuz98Zamfir Ovidiu ovidiuz98 Data 24 decembrie 2014 18:31:06
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.88 kb
#include <cstdio>
#define DIM 500002
using namespace std;

int a[DIM],n,i,x,nr;
void swap(int &i,int &j){
    int aux=i;
    i=j;
    j=aux;
}
void insert(int x){
    a[++nr]=x;
    int c=nr,p=c/2;
    while(p>=1 && a[c]>a[p]){
        swap(a[c],a[p]);
        c=p;
        p/=2;
    }
}
void corect(int n){
    int p=1,c=2;
    while(c<=n){
        if(c+1<=n && a[c+1]>a[c])
            c++;
        if(a[c]>a[p]){
            swap(a[c],a[p]);
            p=c;
            c*=2;
        }
        else
            break;
    }
}
int main(){
    freopen("algsort.in","r",stdin);
    freopen("algsort.out","w",stdout);
    scanf("%d",&n);
    for(i=1;i<=n;i++){
        scanf("%d",&x);
        insert(x);
    }
    for(i=n;i>=2;i--){
        swap(a[1],a[i]);
        corect(i-1);
    }
    for(i=1;i<=n;i++)
        printf("%d ",a[i]);
    return 0;
}