Cod sursa(job #503111)
Utilizator | Data | 21 noiembrie 2010 15:09:12 | |
---|---|---|---|
Problema | Frac | Scor | 30 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.39 kb |
#include <cstdio>
char v[1000005];
int w[1000005];
int main()
{
int n,i,j,p,k=1,c,r;
freopen("frac.in","r",stdin);
freopen("frac.out","w",stdout);
scanf("%d%d",&n,&p);
for (i=2;i<=1000000;i++)
{
if(n%i==0)
{
j=1;
while(i*j<=1000000)
{
v[i*j]=1;
j++;
}
}
if(v[i]==0) w[++k]=i;
}
c=p/k;
r=p%k;
w[0]=-1;
w[1]=1;
printf("%d",n*c+w[r]);
}