成功地编译失败，悬棺

_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 zhizhenhuyuzhe @ 2024-08-19 14:04:19

#include<bits/stdc++.h>
using namespace std;
    struct k{
        double q,w;//x1,y1;
    };
    struct u{
        double e,r;//x2,y2;
    };
    struct n{
        double t,u;//x3,y3;
    };
    k a;
    u b;
    n c;    
int main(){
    cin>>a.q>>a.w>>b.e>>b.r>>c.t>>c.u;
    double f,g,h;
    f=sqrt((b.e-a.q)*(b.e-a.q)+(b.r-a.w)*(b.r-a.w));
    g=sqrt((c.t-a.q)*(c.t-a.q)+(c.u-a.w)*(c.u-a.w));
    h=sqrt((c.t-b.e)*(c.t-b.e)+(c.u-b.r)*(c.u-b.r));
    cout<<fixed<<setprecision(2)<<(f+g+h);     
    return 0;
}

by xuxiyuan1112 @ 2024-08-19 14:13:28

把y1的1去掉

by medal_dreams @ 2024-08-19 15:56:27

@_mei_tounao 有可能是因为x y z后有数字，可能在编译器中会报错，推荐用xa这样的

by wangmuze @ 2024-08-23 09:54:23

万能头有y1变量,用y1就会报错