Cod sursa(job #2314709)

Utilizator dianamichesaRosu Diana Michesa dianamichesa Data 8 ianuarie 2019 23:11:54
Problema Sortare prin comparare Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.19 kb
#include <iostream>
#include <fstream>
#include <limits.h>
using namespace std;

ifstream f("algsort.in");
ofstream g("algsort.out");

const int N = 500010;

int n,m,aint[4 * N],v[N];
void build(int nod,int st,int dr)
{
    if(st==dr){
        aint[nod]=st;
        return;
    }
    else{
        int m=(st+dr)/2;
        build(2*nod,st,m);
        build(2*nod+1,m+1,dr);
        if(v[aint[2*nod]]<v[aint[2*nod+1]])
            aint[nod]=aint[2*nod];
        else
            aint[nod]=aint[2*nod+1];
    }
}
void update(int nod,int st,int dr,int poz)
{
    if(st==dr){
        aint[nod]=poz;
    }
    else{
        int m=(st+dr)/2;
        if(poz<=m){
            update(nod*2,st,m,poz);
        }
        else{
            update(nod*2+1,m+1,dr,poz);
        }
        if(v[aint[2*nod]]<v[aint[2*nod+1]])
            aint[nod]=aint[2*nod];
        else
            aint[nod]=aint[2*nod+1];

    }
}
int main()
{
    f >> n;
    for(int i = 1; i <= n; i ++) {
        f >> v[i];
    }
    build (1, 1, n);
    for(int i = 1; i <= n; i ++) {
        g << v[aint[1]] << ' ';
        v[aint[1]] = INT_MAX;
        update(1, 1, n, aint[1]);
    }
    return 0;
}