codeforce 611B New Year and Old Property

暴力搞

#include<cstdio>

#include<cstring>

#include<cmath>

#include<algorithm>

using namespace std;

long long a,b;

long long tmpa,tmpb;

long long num1[],num2[];

int tot1,tot2;

int main()

{

//    freopen("F:\\info.txt","w",stdout);

    scanf("%lld%lld",&a,&b);

    tmpa=a;

    tmpb=b;

    tot1=;tot2=;

    while(tmpa) num1[tot1++]=tmpa%,tmpa=tmpa/;

    while(tmpb) num2[tot2++]=tmpb%,tmpb=tmpb/;

    long long c=;

    long long ans=;

    for(int len=tot1;len<=tot2;len++)

    {

        for(int i=;i<len-;i++)

        {

            c=;

            for(int j=;j<len;j++)

            {

                if(i==j) continue;

                else c=c+(long long)pow(2.0,j);

            }

        //    printf("%lf\n",c);

            if(c-a>=&&b-c>=) ans++;

        }

    }

    printf("%lld\n",ans);

    return ;

}