Cod sursa(job #124446)
Utilizator | Farcasanu Alexandru Ciprian ciprianf | Data | 19 ianuarie 2008 12:11:33 |
---|---|---|---|
Problema | Frac | Scor | 30 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.38 kb |
#include <stdio.h>
char v[1000005];
int w[1000005];
int main()
{ int n,i,j,p,k=1,c,r;
FILE*f=fopen("frac.in","r");
FILE*g=fopen("frac.out","w");
fscanf(f,"%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;
fprintf(g,"%d",n*c+w[r]);
}