poj 3475 Paper

#include<cstdio>#include<cstring>#include<algorithm>using namespace std;int main(){    double a,b,c,d;    while(scanf("%lf%lf%lf%lf",&a,&b,&c,&d)!=EOF)    {        int ans=0;        if(a>b) swap(a,b);        if(c>d) swap(c,d);        while(c>a+1e-8)        { ans++; c/=2.0;        }        while(d>b+1e-8)        { ans++; d/=2.0;        }        printf("%dn",ans);    }    return 0;}