Cod sursa(job #319299)
Utilizator | Data | 31 mai 2009 12:11:41 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.28 kb |
#include <fstream.h>
int main()
{
long n;
ifstream fin("fractii.in");
fin >> n;
fin.close();
unsigned long long rasp = 0;
for( unsigned long long i = 1; i <= n; i++ )
rasp = rasp +( (n-1)-(n-2)/i );
ofstream fout("fractii.out");
fout.close();
return 0;
}