답안 #973951

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
973951 2024-05-02T13:20:42 Z andrewp Mobile (BOI12_mobile) C++14
50 / 100
33 ms 3676 KB
//Dedicated to my love,ivaziva
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define dbg(x) cerr<<#x<<": "<<x<<endl;
#define pb push_back
#define fi first
#define se second
#define mp make_pair
#define mt make_tuple
#define pii pair<int,int>
#define pll pair<ll,ll>
#define ldb double
const ll inf=(ll)1e18+5;
const int mod=1e9+7;
const int K=512;
const int L=30;
const int N=1e5+1;
ll n,l;
pll a[N];
int main()
{
    ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>l;
	for(int i=0;i<n;i++) cin>>a[i].fi>>a[i].se;
	ldb bot=1.00,top=(ldb)1.5e9;
	while(top-bot>1e-3)
    {
		ldb mid=(bot+top)/2,calc=0;
		for(int i=0;i<n;i++)
		{
			ldb razl=sqrt((ldb)(mid*mid)-(ldb)(a[i].se*a[i].se));
			ldb x=(ldb)a[i].fi-razl;
			ldb y=(ldb)a[i].fi+razl;
			if(x<=calc)
            {
                calc=max(calc,y);
            }
		}
		if(calc>=(ldb)l) top=mid;
		else bot=mid;
	}
	cout<<fixed<<setprecision(4)<<bot;
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 540 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 2 ms 344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 540 KB Output is correct
4 Correct 3 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 1628 KB Output is correct
2 Correct 19 ms 1536 KB Output is correct
3 Correct 13 ms 1308 KB Output is correct
4 Correct 24 ms 1628 KB Output is correct
5 Correct 12 ms 1112 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 1624 KB Output is correct
2 Correct 20 ms 1372 KB Output is correct
3 Correct 23 ms 1628 KB Output is correct
4 Correct 24 ms 1824 KB Output is correct
5 Correct 27 ms 1628 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 1628 KB Output is correct
2 Correct 21 ms 1656 KB Output is correct
3 Correct 20 ms 1628 KB Output is correct
4 Correct 33 ms 1880 KB Output is correct
5 Correct 27 ms 2132 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 1884 KB Output is correct
2 Correct 24 ms 1956 KB Output is correct
3 Correct 23 ms 1804 KB Output is correct
4 Correct 33 ms 1884 KB Output is correct
5 Correct 28 ms 1884 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 1880 KB Output is correct
2 Correct 25 ms 1992 KB Output is correct
3 Correct 23 ms 1884 KB Output is correct
4 Correct 32 ms 1884 KB Output is correct
5 Correct 28 ms 1880 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 9 ms 1884 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Runtime error 15 ms 3676 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 11 ms 1884 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Runtime error 17 ms 3672 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 10 ms 1888 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Runtime error 15 ms 3676 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 13 ms 1880 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Runtime error 16 ms 3676 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 10 ms 1884 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 1808 KB Output is correct
2 Incorrect 18 ms 2996 KB Output isn't correct
3 Halted 0 ms 0 KB -