Cod sursa(job #396953)

Utilizator selmaGoga Selma selma Data 16 februarie 2010 09:21:10
Problema Operatii Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
long long n,i,ul,p;
unsigned long long nr;
ifstream f("operatii.in");
ofstream g("operatii.out");
int main()
{
	f>>n;
	for(i=1;i<=n;i++)
	{
		if(i==1)
			f>>ul;
		else
		{
			f>>p;
			if(p>ul)
			{
				nr=nr+(p-ul);
			}
			ul=p;
		}
	}
	g<<nr;
	return 0;
}