Cod sursa(job #942671)

Utilizator ThomasFMI Suditu Thomas Thomas Data 23 aprilie 2013 11:07:22
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.52 kb
#include <fstream>
#include <cstdlib>
using namespace std;

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

int compare_ints( const void* a, const void* b ) {
     int* arg1 = (int*) a;
     int* arg2 = (int*) b;
     if( *arg1 < *arg2 ) return -1;
     else if( *arg1 == *arg2 ) return 0;
     else return 1;
   }

int n,v[500001],i;

int main()
{
    f>>n;
    for(i=0;i<n;i++) f>>v[i];

    qsort(v,n,sizeof(int),compare_ints);

    for(i=0;i<n;i++) g<<v[i]<<" ";
    g<<"\n";

    return 0;
}