Mountain Biking

#include <bits/stdc++.h>
#define F first
#define S second
using namespace std;
typedef long long ll;
typedef long double ld;

const ld PI=atan2(0,-1);

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n;
	ld g;
	cin>>n>>g;
	ld d[4], th[4];
	for (int i=0;i<n;i++) {
		cin>>d[i]>>th[i];
		th[i]*=2*(PI/360);
	}
	ld ans[4];
	for (int i=n-1;i>=0;i--) {
		ans[i]=g*cos(th[i])*d[i];
		if (i<n-1) ans[i]+=ans[i+1];
	}
	for (int i=0;i<n;i++) cout<<setprecision(15)<<sqrt(2*ans[i])<<"\n";
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED