08/01/30 05:07:25
>>768
眠くてかなりやっつけだが、一応書いた。
交わらない位置関係の判定がいまいちかも分からん。
#include <iostream>
#include <math.h>
#define PI 3.1415926535897932384626433832795
#define RATE 1000
using namespace std;
typedef struct DATA {
double x, y, a, v, l;
};
int main () {
DATA a, b;
cout << "X_1:"; cin >> a.x; cout << "Y_1:"; cin >> a.y;
cout << "A_1:"; cin >> a.a; cout << "V_1:"; cin >> a.v;
cout << "X_2:"; cin >> b.x; cout << "Y_2:"; cin >> b.y;
cout << "A_2:"; cin >> b.a; cout << "V_1:"; cin >> b.v;
a.l = (a.y - b.y) / tan((b.a - a.a) * PI / 180);
b.l = (a.y - b.y) / sin((b.a - a.a) * PI / 180);
if ((int)(a.a - b.a) % 180 == 0 ||
(int)(a.l*RATE) < 0 || (int)(b.l*RATE) < 0) {
cout << "まじわらない";
return -1;
}
cout << "T_1 = ";
if ((int)(a.l*RATE) == 0) cout << "0" << endl;
else cout << a.l / a.v << endl;
cout << "T_2 = ";
if ((int)(b.l*RATE) == 0) cout << "0" << endl;
else cout << b.l / b.v << endl;
return 0;
}