Cod sursa(job #1191577)

Utilizator TarabanDragosTaraban Dragos-Petru TarabanDragos Data 28 mai 2014 01:32:16
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 1.02 kb
#include<cstdio>
int n,i,j,v[500100],a;
FILE *f,*g;
void chg(int &a,int &b){
    int aux=a;
    a=b;
    b=aux;
}
void add(int v[500100],int n,int x){
    v[++n]=x;
    int c=n;
    int p=n/2;
    while(p!=0){
        if(v[c]>v[p]){
            chg(v[c],v[p]);
            c=p;
            p/=2;
        }
        else
            break;
    }
}
void correct(int v[500100],int n){
    int p=1;
    int c=2*p;
    while(c<=n){
        if(c<n&&v[c]<v[c+1])
            c++;
        if(v[c]>v[p]){
            chg(v[c],v[p]);
            p=c;
            c=2*p;
        }
        else
            break;
    }
}
int main(){
    f=fopen("algsort.in","r");
    g=fopen("algsort.out","w");
    fscanf(f,"%d",&n);
    for(i=1;i<=n;i++){
        fscanf(f,"%d",&v[i]);
        add(v,i-1,v[i]);
    }
    for(i=n;i>=2;i--){
        chg(v[1],v[i]);
        correct(v,i-1);
    }
    for(i=1;i<=n;i++){
        fprintf(g,"%d ",v[i]);
    }






    fclose(f);
    fclose(g);
    return 0;
}