Cod sursa(job #278152)
Utilizator | Data | 12 martie 2009 09:45:02 | |
---|---|---|---|
Problema | Operatii | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.3 kb |
#include <fstream>
using namespace std;
int main()
{
long long i,n,x,y,s=0;
ifstream in ("operatii.in");
ofstream out ("operatii.out");
in>>n>>x;
for (i=1;i<=n;i++)
{
in>>y;
if (x-y>=0)
s+=x-y;
x=y;
}
out<<s+y;
return 0;
}