Cod sursa(job #305355)
| Utilizator | Data | 16 aprilie 2009 23:48:30 | |
|---|---|---|---|
| Problema | Operatii | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.32 kb |
#include<fstream.h>
int main()
{
long long i,n,nr,a[1000001];
ifstream f("operatii.in");
ofstream g("operatii.out");
f>>n;
for (i=1;i<=n;i++)
f>>a[i];
a[0]=0;
for (i=1;i<=n;i++)
if (a[i]>a[i-1]) nr=nr+(a[i]-a[i-1]);
nr=nr-1;
g<<nr;
f.close();
g.close();
return 0;
} 