Cod sursa(job #396954)

Utilizator selmaGoga Selma selma Data 16 februarie 2010 09:22:48
Problema Operatii Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
long long n;
int i,ul,p;
unsigned long long nr;
ifstream f("operatii.in");
ofstream g("operatii.out");
int main()
{
	f>>n;
	f>>ul;
	nr=nr+ul;
	for(i=1;i<=n;i++)
	{
			f>>p;
			if(p>ul)
			{
				nr=nr+(p-ul);
			}
			ul=p;
		}
	g<<nr;
	return 0;
}