Cod sursa(job #14860)
| Utilizator |  Andrei Velicu AndreiMath |
Data | 10 februarie 2007 00:02:03 |
|---|---|---|---|
| Problema | Fractii | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.22 kb |
#include <fstream.h>
#include <math.h>
int n, i, j, s;
int main()
{ifstream f("fractii.in");
ofstream g("fractii.out");
f>>n; s=n;
for (i=2; i<=n; i++)
s=s+n-floor(n/i);
g<<s-1;
f.close();
g.close();
return 0;}