_mei_tou_nao_ @ 2024-08-19 13:28:59
using namespace std;
double a, b, c, d, x1, y1, x2, y2, x3, y3;
int main() {
cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3;
a = sqrt(pow(x2 - x1, 2) + pow(y2 - y1, 2));
b = sqrt(pow(x3 - x1, 2) + pow(y3 - y1, 2));
c = sqrt(pow(x3 - x2, 2) + pow(y3 - y2, 2));
d = a + b + c;
cout << fixed << setprecision(2) << d;
return 0;
}
by _mei_tou_nao_ @ 2024-08-19 13:29:31
补一个万能头文件
by dongzirui0817 @ 2024-08-19 13:31:30
@_mei_tounao 补头文件就没事了吧
by _mei_tou_nao_ @ 2024-08-19 13:32:19
这边有头文件的
by _mei_tou_nao_ @ 2024-08-19 13:32:35
还是编译失败
by BVV_d_ @ 2024-08-19 13:33:03
等一个WA
by _mei_tou_nao_ @ 2024-08-19 13:33:27
????
by BVV_d_ @ 2024-08-19 13:33:46
@_mei_tounao 把你最新的发出来看下
by sapo1o @ 2024-08-19 13:34:18
@_mei_tounao 你的是什么头文件
by _xjx_ @ 2024-08-19 13:35:01
看一看有没有全角符号@_mei_tounao
by _czx6666_ @ 2024-08-19 13:35:08
#include<bits/stdc++.h>
using namespace std;
double a, b, c, d, x1, y01, x2, y02, x3, y03;
int main() {
cin >> x1 >> y01 >> x2 >> y02 >> x3 >> y03;
a = sqrt(pow(x2 - x1, 2) + pow(y02 - y01, 2));
b = sqrt(pow(x3 - x1, 2) + pow(y03 - y01, 2));
c = sqrt(pow(x3 - x2, 2) + pow(y03 - y02, 2));
d = a + b + c;
cout << fixed << setprecision(2) << d;
return 0;
}
@_mei_tounao