#include<stdio.h>
int F(int a)
{
    int i,b=0,p=0;
    for(i=1;i<a;i++)
        if(a%i==0)
            b=b+i;
        for(i=1;i<b;i++)
            if(b%i==0)
                p=p+i;
               if(p==a&&a<b)
            {
                printf("%d<->%d\n",a,b);
               
                    return 0;
               }
               else
                   return 1;
}
int main()
{
    int i,lBound,uBound,t=0;
    scanf("%d%d",&lBound,&uBound);
   
    for(i=lBound;i<=uBound;i++ )
    {
        F(i);
        if(F(i)==1)
            t++;
        
    }
    if(t==uBound-lBound+1)
        printf("No intimate numbers");
    return 0;
}

寻找2个数之间的亲密对数。没有的话输出‘No inti.......’.