題目:
https://onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=14&page=show_problem&problem=1162
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| #include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
int main(){
double s, a;
string type;
while(cin >> s >> a >> type){
if(type == "min") a /= 60.0;
while(a > 360.0) a -= 360.0;
if(a > 180.0) a = 360.0-a;
double deg = a * M_PI / 180.0;
double arc, chord;
double r = 6440+s;
arc = r * deg;
chord = 2*r*sin(deg/2.0);
cout << fixed << setprecision(6) << arc << ' ' << chord << '\n';
}
return 0;
}
|
