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답안 #639130

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
639130 2022-09-08T16:30:01 Z luanaamorim Mobile (BOI12_mobile) C++14
0 / 100
 1000 ms 16076 KB 
#include <iostream>
#include <queue>
#include <string>
#include <algorithm>
#include <vector>
#include <cmath>
#include <iomanip>
#include <map>
#include <cstring>
#include <set>
#include <stack>
#include <bitset>
#define dbug(x) cout << (#x) << " -> " << x << endl
#define ll long long
#define INF (1e9 + 5)
#define MAX (int) (2e6 + 5)
#define MOD 1000000007
#define par pair<int, int>
#define all(v) v.begin(), v.end()
#define sz(x) (int) ((x).size())
#define esq(x) (x<<1)
#define dir(x) ((x<<1)|1)
#define lsb(x) (x & -x)
#define W(x) cout << #x << ": " << x << endl
#define Wii(x) cout << x.first << ' ' << x.second << endl
#define _ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

using namespace std;

double l, n, a[MAX], b[MAX];

int check(double raio)
{
	double fim = 0;
	for (int i = 0; i < n; i++)
	{
		if (raio < b[i]) continue;
		double prox_fim = a[i] + sqrt((raio*raio) - (b[i]*b[i]));
		double prox_ini = a[i] - (sqrt((raio*raio) - (b[i]*b[i])));
		if (prox_ini <= fim) fim = prox_fim;
	}

	return (fim >= l);
}

int main()
{_
	cin >> n >> l;
	for (int i = 0; i < n; i++)
		cin >> a[i] >> b[i];

	int cnt = 100;
	double meio, ini = 0, fim = INF;
	while (cnt--)
	{
		meio = (ini+fim)/2;
		if (check(meio)) fim = meio;
		else ini = meio;
	}

	cout << fixed << setprecision(6) << fim << endl;
}

Subtask #1
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Incorrect 4 ms 340 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 7 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 7 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 340 KB Output is correct
2 Correct 5 ms 340 KB Output is correct
3 Correct 4 ms 340 KB Output is correct
4 Incorrect 8 ms 424 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 70 ms 1440 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 84 ms 1548 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 61 ms 1692 KB Output is correct
2 Correct 82 ms 1640 KB Output is correct
3 Correct 60 ms 1728 KB Output is correct
4 Incorrect 165 ms 1884 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #10
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 84 ms 1768 KB Output is correct
2 Correct 95 ms 1868 KB Output is correct
3 Correct 69 ms 1868 KB Output is correct
4 Incorrect 157 ms 1884 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #11
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 85 ms 1836 KB Output is correct
2 Correct 81 ms 1884 KB Output is correct
3 Correct 66 ms 1796 KB Output is correct
4 Incorrect 157 ms 1880 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #12
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 345 ms 8040 KB Output is correct
2 Correct 402 ms 8220 KB Output is correct
3 Correct 387 ms 8148 KB Output is correct
4 Incorrect 791 ms 8168 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #13
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 425 ms 8212 KB Output is correct
2 Incorrect 529 ms 8136 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #14
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 425 ms 9628 KB Output is correct
2 Correct 486 ms 9816 KB Output is correct
3 Correct 468 ms 9616 KB Output is correct
4 Incorrect 973 ms 9720 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #15
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 497 ms 9716 KB Output is correct
2 Incorrect 693 ms 9716 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #16
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 503 ms 11348 KB Output is correct
2 Correct 570 ms 11276 KB Output is correct
3 Correct 568 ms 11372 KB Output is correct
4 Execution timed out 1091 ms 11188 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #17
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 583 ms 11348 KB Output is correct
2 Incorrect 765 ms 11288 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #18
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 539 ms 12848 KB Output is correct
2 Correct 655 ms 12772 KB Output is correct
3 Correct 700 ms 12840 KB Output is correct
4 Execution timed out 1085 ms 12780 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #19
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 670 ms 12844 KB Output is correct
2 Incorrect 880 ms 12856 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #20
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 691 ms 16076 KB Output is correct
2 Correct 818 ms 16004 KB Output is correct
3 Correct 777 ms 15856 KB Output is correct
4 Execution timed out 1080 ms 15956 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #21
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 823 ms 15972 KB Output is correct
2 Incorrect 999 ms 16052 KB Output isn't correct
3 Halted 0 ms 0 KB -