第5个wa，求助大佬

shangyuang @ 2022-07-05 12:56:15

#include<bits/stdc++.h>
using namespace std;
double x1,y11,x2,y2,x3,y3;
double jl(int x1,int y11,int x2,int y2){
    return sqrt((x1-x2)*(x1-x2)+(y11-y2)*(y11-y2));
}
int main(){
    cin>>x1>>y11>>x2>>y2>>x3>>y3;
    double s;
    s+=jl(x1,y11,x2,y2);
    s+=jl(x1,y11,x3,y3);
    s+=jl(x2,y2,x3,y3);
    printf("%.2lf",s);
    return 0;
}

by Determined_ @ 2022-07-05 13:01:15

将函数中的 int 改为 double 就好了

by Determined_ @ 2022-07-05 13:04:48

如

double jl(double x1,double y11,double x2,double y2){
    return sqrt((x1-x2)*(x1-x2)+(y11-y2)*(y11-y2));
}

by Determined_ @ 2022-07-05 13:06:37

@shangyuang

by shangyuang @ 2022-07-05 15:26:32

@Determined_ 哦~ Thanks