求解下图中运行错误,错在哪的,没有红线但是编译器报错,
#include <iostream>
#include "fCir_L.h"
#include "fCir_S.h"
using namespace std;
const float PI = 3.1416;
float fCir_L(float);
float fCir_L(float);
int main() {
float r, l, s;
cout << "R=";
cin >> r;
l = fCir_L(r);
s = fCir_S(r);
cout << "l=" << l;
cout << "\ns=" << s;
return 0;
}