HDU 4247 A Famous ICPC Team
For the first case, all suitcases have size 2x2. So they can perfectly be packed in a 4x4 large box without wasting any space. For the second case, three suitcases have size 2x2 and the last one is 1x1. No matter how you rotate or move the suitcases, the side length of the large box must be at least 4.
#include<stdio.h>
#include<iostream>
#include<math.h>
#include<algorithm>
using namespace std;
double a[];
bool check(long long b)
{
if(b-a[]>=a[])
return true;
return false;
}
int main()
{
double maxn,minn,mid;
int t=;
while(cin>>a[]>>a[]>>a[]>>a[])
{
t++;
sort(a,a+);
minn=sqrt(a[]*a[]+a[]*a[]+a[]*a[]+a[]*a[]);
maxn=a[]*;
while(minn+0.1<maxn)
{
mid=(minn+maxn)/;
if(check(mid))maxn=mid;
else minn=mid;
}
printf("Case %d: %.0lf\n",t,minn);
}
return ;
}
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