Cod sursa(job #544072)

Utilizator bogdan353Costea Bogdan bogdan353 Data 28 februarie 2011 23:24:46
Problema Operatii Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.27 kb
Raporteaza aceasta sursa 
#include<iostream>
#include<fstream>
using namespace std;

int main()
{
	ifstream f("operatii.in");
	ofstream g("operatii.out");
	
	long long n,a,k=0,sum=0;
	f>>n;
	
	for(long long i=1;i<=n;i++)
	{
		f>>a;
		if(a>k)
			sum=sum+(a-k);
		k=a;
	}
	g<<sum;
}