답안 #1098733

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1098733	2024-10-09T19:34:24 Z	sano	Mobile (BOI12_mobile)	C++14	80 / 100	888 ms	29748 KB

mobile

#include<iostream>
#include<vector>
#include<queue>
#include<deque>
#include<string>
#include<fstream>
#include<algorithm>
#include <iomanip>
#include<map>
#include <set>
#include <unordered_map>
#include <stack>
#include <unordered_set>
#include <cmath>
#define ll long long
#define For(i, n) for(int i = 0; i < (int)n; i++)
#define ffor(i, a, n) for(int i = (int)a; i < (int)n; i++)
#define rfor(i, n) for(int i = (int)n; i >= (int)0; i--)
#define rffor(i, a, n) for(int i = (int)n; i >= (int)a; i--)
#define vec vector
#define ff first
#define ss second
#define pb push_back
#define shit short int
#define pii pair<double, double>
#define NEK 2147483640
#define mod 1000000007
#define mod2 1000000009
#define rsz resize 
#define prv1 43
#define prv2 47
#define D 8

using namespace std;

int main() {
	double n, asd;
	cin >> n >> asd;
	vec<pii> p;
	For(i, n) {
		double x, y;
		cin >> x >> y;
		x *= 1000; y *= 1000;
		if (p.size() > 0) {
			if (x == p.back().ff && y > 0 && p.back().ss > 0) continue;
			if (x == p.back().ff && y < 0) p.pop_back();
		}
		p.push_back({ x, y });
	}
	ll l = 0;
	ll r = 1414213570000;
	asd *= 1000;
	while (l < r) {
		double mid = (l + r) / 2;
		double k = 0;
		For(i, p.size()) {
			double jeden = mid * mid;
			double dva = p[i].second * p[i].second;
			double tri = jeden - dva;
			double d = sqrt(tri);
			double s = p[i].ff - d;
			double e = p[i].ff + d;
			if (s > k) continue;
			k = max(k, e);
		}
		if (k >= asd) r = mid;
		else l = mid + 1;
	}
	cout << fixed << setprecision(4);
	long double l2 = l;
	l2 /= 1000;
	cout << l2 << '\n';
	return 0;
}

Subtask #1
4.0 / 4.0

#	결과	메모리	Grader output
1	Correct	344 KB	Output is correct
2	Correct	344 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct

Subtask #2
4.0 / 4.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 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	348 KB	Output is correct

Subtask #4
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	540 KB	Output is correct
2	Correct	4 ms	604 KB	Output is correct
3	Correct	2 ms	348 KB	Output is correct
4	Correct	4 ms	600 KB	Output is correct

Subtask #5
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	348 KB	Output is correct
2	Correct	3 ms	604 KB	Output is correct
3	Correct	2 ms	348 KB	Output is correct
4	Correct	4 ms	604 KB	Output is correct

Subtask #6
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	604 KB	Output is correct
2	Correct	3 ms	604 KB	Output is correct
3	Correct	2 ms	348 KB	Output is correct
4	Correct	4 ms	544 KB	Output is correct
5	Correct	3 ms	348 KB	Output is correct

Subtask #7
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	49 ms	2504 KB	Output is correct
2	Correct	56 ms	1488 KB	Output is correct
3	Correct	33 ms	1492 KB	Output is correct
4	Correct	68 ms	2504 KB	Output is correct
5	Correct	20 ms	348 KB	Output is correct

Subtask #8
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	37 ms	708 KB	Output is correct
2	Correct	45 ms	1436 KB	Output is correct
3	Correct	60 ms	2592 KB	Output is correct
4	Correct	60 ms	2504 KB	Output is correct
5	Correct	88 ms	2364 KB	Output is correct

Subtask #9
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	46 ms	2512 KB	Output is correct
2	Correct	52 ms	1536 KB	Output is correct
3	Incorrect	50 ms	2592 KB	Output isn't correct
4	Halted	0 ms	0 KB	-

Subtask #10
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	66 ms	1456 KB	Output is correct
2	Correct	61 ms	1480 KB	Output is correct
3	Correct	51 ms	728 KB	Output is correct
4	Correct	84 ms	2504 KB	Output is correct
5	Correct	67 ms	2508 KB	Output is correct

Subtask #11
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	70 ms	2516 KB	Output is correct
2	Correct	61 ms	1480 KB	Output is correct
3	Correct	62 ms	716 KB	Output is correct
4	Correct	102 ms	2496 KB	Output is correct
5	Correct	68 ms	2464 KB	Output is correct

Subtask #12
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	274 ms	8632 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #13
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	295 ms	596 KB	Output is correct
2	Correct	397 ms	8632 KB	Output is correct
3	Correct	266 ms	2500 KB	Output is correct
4	Correct	410 ms	8632 KB	Output is correct
5	Correct	371 ms	8632 KB	Output is correct

Subtask #14
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	326 ms	16812 KB	Output is correct
2	Correct	343 ms	436 KB	Output is correct
3	Correct	333 ms	596 KB	Output is correct
4	Correct	506 ms	16808 KB	Output is correct
5	Correct	376 ms	8632 KB	Output is correct

Subtask #15
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	340 ms	592 KB	Output is correct
2	Correct	454 ms	16820 KB	Output is correct
3	Correct	295 ms	2500 KB	Output is correct
4	Correct	513 ms	16788 KB	Output is correct
5	Correct	424 ms	16816 KB	Output is correct

Subtask #16
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	387 ms	16812 KB	Output is correct
2	Correct	428 ms	596 KB	Output is correct
3	Correct	449 ms	616 KB	Output is correct
4	Correct	665 ms	16812 KB	Output is correct
5	Correct	459 ms	8632 KB	Output is correct

Subtask #17
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	487 ms	528 KB	Output is correct
2	Correct	587 ms	16840 KB	Output is correct
3	Correct	373 ms	2580 KB	Output is correct
4	Correct	624 ms	16844 KB	Output is correct
5	Correct	575 ms	16784 KB	Output is correct

Subtask #18
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	427 ms	16756 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #19
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	504 ms	676 KB	Output is correct
2	Correct	701 ms	16808 KB	Output is correct
3	Correct	398 ms	2424 KB	Output is correct
4	Correct	805 ms	16880 KB	Output is correct
5	Correct	686 ms	16812 KB	Output is correct

Subtask #20
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	577 ms	16808 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #21
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	616 ms	596 KB	Output is correct
2	Correct	820 ms	16956 KB	Output is correct
3	Correct	545 ms	4548 KB	Output is correct
4	Correct	888 ms	16904 KB	Output is correct
5	Correct	763 ms	29748 KB	Output is correct

답안 #1098733

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