imported>Unknown at 05:23, 7 February 2021

2021-02-07T05:23:07Z

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== 이야기 ==
처음 생각을 잘못해서 잘못된 곳에서 너무 많이 헤맷다.~~
0.010초 Accepted~

== 소스 ==
#include <iostream>
#include <cmath>
using namespace std;

int first, second, sExp, eExp, sNum, eNum;
double row, col;

double getDistance(int s, int e)
{
sExp = 0; eExp= 0;
row=0.0; col=0.0;
if(s==e)
return 0.0;
sExp = floor(sqrt(s));
sNum = s - sExp*sExp;

eExp = floor(sqrt(e));
eNum = e - eExp*eExp;

row = (sNum-eNum+(eExp-sExp))/2.0;

if(eExp-sExp==0)
{
if((eNum-sNum)%2==0)
col = 0;
else
col = sqrt(3.0)/6;
}
else
{
if(sNum%2==0)
col += sqrt(3.0)/6;
else
col += sqrt(3.0)/3;
if(eNum%2==0)
col += sqrt(3.0)/3;
else
col += sqrt(3.0)/6;
col+=sqrt(3.0)*(eExp-sExp-1)/2;
}
return sqrt(row*row+col*col);
}

int main()
{
cout.setf(ios::fixed, ios::floatfield);
cout.setf(ios::showpoint);
cout.precision(3);

while(cin>>first>>second)
{
if(second>first)
cout << getDistance(first, second)<< endl;
else
cout << getDistance(second, first)<< endl;
}
return 0;
}

DermubaTriangle/하기웅 - Revision history

imported>Unknown at 05:23, 7 February 2021