Cod sursa(job #385225)

Utilizator ishisushiNisioi Sergiu ishisushi Data 22 ianuarie 2010 12:58:33
Problema Sortare prin comparare Scor 40
Compilator cpp Status done
Runda Arhiva educationala Marime 1.01 kb
#include<iostream>
#include<fstream>
using namespace std;

long st(long i)
{
   return 2*i;
}
long dr(long i)
{
    return 2*i+1;
}

void schimb(long &a, long &b)
{
    long ux;
    ux=a;
    a=b;
    b=ux;
}

void check(long a[500100], long i, long n)
{
long max,s,d;

s=st(i);
d=dr(i);
if(a[s]<a[i] && s<=n )max=s;
else max=i;
if(a[d]<a[max] && d<=n )max=d;

if(max!=i ){schimb(a[max],a[i]);
           ;check(a,max,n);}
}


void insertie(long a[500100],long n)
{
long i,j,key;
/*for(j=2;j<=n;j++)
    {
        key = a[j];
        i=j-1;
        while(i>0 && a[i]>key)
            {
                a[i+1] = a[i];
                --i;
            }
        a[i+1] = key;
    }
*/
for(i=2;i<=n;i++)
    for(j=i;j>1 && a[j]<a[j-1];j--)
        schimb(a[j],a[j-1]);


}





int main()
{long n,i,a[500100];
//cin>>n;
ifstream f ("algsort.in");
ofstream o ("algsort.out");
f>>n;
for(i=1;i<=n;i++)
f>>a[i];
//for(i=n/2;i>=1;i--)
//check(a,i,n);
insertie(a,n);
for(i=1;i<=n;i++)
o<<a[i]<<" ";

return 0;}