Cod sursa(job #481857)

Utilizator R.A.RFMI Romila Remus Arthur R.A.R Data 1 septembrie 2010 20:49:27
Problema Operatii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include <fstream>
#define modul(a) (a)<0?(-a):a

using namespace std;

ifstream in("operatii.in");
ofstream out("operatii.out");

int nr,nr1,N,op;

int main()
{
    in>>N;
    while(N--)
    {
        in>>nr1;
        op+=modul(nr1-nr);
        nr=nr1;
    }
    out<<op/2;
    return 0;
}