luogu 4710 「物理」平抛运动

​​http://www.elijahqi.win/archives/3805​​

简单模拟

#include<bits/stdc++.h>
#define pi acos(-1)
using namespace std;
double v,ta,y,vans,x,vyt;
int main(){
//  freopen("1.in","r",stdin);
    scanf("%lf%lf",&v,&ta);
    vyt=v*cos(ta);double t=vyt/10;
    y=vyt*t/2;vans=v*sin(ta);
    x=vans*t;
    printf("%f %f\n",x,y);
    return 0;
}