Cod sursa(job #155175)

Utilizator Andreid91Ciocan Andrei Andreid91 Data 11 martie 2008 19:35:42
Problema Operatii Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.26 kb
Raporteaza aceasta sursa 
#include<fstream.h>


int main()
{
long a,b,n,i;
unsigned long s=0;
ifstream f("operatii.in");
f>>n;
f>>a;
for (i=2;i<=n;i++)
	{
	f>>b;
	if (a>b) s+=a-b;
	a=b;
	}
s+=b;
f.close();
ofstream g("operatii.out");
g<<s;
g.close();
return 0;
}