Cod sursa(job #1437256)

Utilizator DjokValeriu Motroi Djok Data 17 mai 2015 12:39:36
Problema Operatii Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<fstream>
#include<algorithm>
using namespace std;

int i,n,a[1000005];
long long rs;

int main()
{
  ifstream cin("operatii.in");
  ofstream cout("operatii.out");

  cin>>n;
  for(i=1;i<=n;++i) cin>>a[i];

  for(i=1;i<=n;++i)
  if(a[i]>a[i-1]) rs+=a[i]-a[i-1];

  cout<<rs<<'\n';

 return 0;
}