#include <stdio.h>
int gcd(int a,int b)
{
while(b!=0)
{
int r=a%b;
a=b;
b=r;
}
return a;
}
int main() {
int a,b,g,o=0;
int x[1999][199]={0};
scanf("%d %d",&a,&b);
for(int i=a;i<=b;i++)
{
for(int j=1;j<=i;j++)
{
g=gcd(i,j);
if(x[j/g][i/g]!=1)
{
x[j/g][i/g]=1;
o++;
}
}
}
printf("%d",o);
}
To embed this project on your website, copy the following code and paste it into your website's HTML: