mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-12-26 17:52:00 +00:00
12 lines
369 B
C++
12 lines
369 B
C++
|
// R38740507
|
||
|
|
|
||
|
|
#include <bits/stdc++.h>
|
||
|
|
|
||
|
|
using namespace std;
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
double x1, y1, x2, y2, x3, y3;
|
||
|
|
scanf("%lf%lf%lf%lf%lf%lf", &x1, &y1, &x2, &y2, &x3, &y3), printf("%.2lf\n", sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)) + sqrt((x2 - x3) * (x2 - x3) + (y2 - y3) * (y2 - y3)) + sqrt((x1 - x3) * (x1 - x3) + (y1 - y3) * (y1 - y3)));
|
||
|
|
return 0;
|
||
|
|
}
|