답안 #1000218

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1000218	2024-06-17T06:29:39 Z	ArtistWall	Mobile (BOI12_mobile)	C++17	100 / 100	715 ms	35304 KB

mobile

#include <bits/stdc++.h>
using namespace std;
#define x first
#define y second

pair<long long, long long> p[1000000];

int main() {
	int n, len;
	cin >> n >> len;
	for (int i = 0; i < n; i++) {
		cin >> p[i].x >> p[i].y;
	}
	double l = 1, r = 1.5e9;
	while (r - l > 1e-3) {
		double mid = (l + r) / 2, curr = 0;
		for (int i = 0; i < n; i++) {
			double delta = sqrt(mid * mid - p[i].y * p[i].y);
			double a = p[i].x - delta, b = p[i].x + delta;
			if (a <= curr) curr = max(curr, b);
		}

		if (curr >= len) r = mid;
		else l = mid;
	}
	cout << fixed << setprecision(4) << l;
	return 0;
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 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

Subtask #2
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 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

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	352 KB	Output is correct
2	Correct	1 ms	352 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	2 ms	344 KB	Output is correct

Subtask #4
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	356 KB	Output is correct
2	Correct	3 ms	456 KB	Output is correct
3	Correct	3 ms	348 KB	Output is correct
4	Correct	3 ms	352 KB	Output is correct

Subtask #5
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	352 KB	Output is correct
2	Correct	4 ms	348 KB	Output is correct
3	Correct	2 ms	344 KB	Output is correct
4	Correct	3 ms	600 KB	Output is correct

Subtask #6
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	348 KB	Output is correct
2	Correct	3 ms	352 KB	Output is correct
3	Correct	3 ms	348 KB	Output is correct
4	Correct	3 ms	348 KB	Output is correct
5	Correct	4 ms	604 KB	Output is correct

Subtask #7
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	41 ms	2380 KB	Output is correct
2	Correct	37 ms	2644 KB	Output is correct
3	Correct	24 ms	1856 KB	Output is correct
4	Correct	45 ms	2652 KB	Output is correct
5	Correct	21 ms	1628 KB	Output is correct

Subtask #8
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	35 ms	2400 KB	Output is correct
2	Correct	38 ms	2152 KB	Output is correct
3	Correct	42 ms	2588 KB	Output is correct
4	Correct	47 ms	2728 KB	Output is correct
5	Correct	56 ms	3204 KB	Output is correct

Subtask #9
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	31 ms	2396 KB	Output is correct
2	Correct	43 ms	2644 KB	Output is correct
3	Correct	46 ms	2644 KB	Output is correct
4	Correct	71 ms	3668 KB	Output is correct
5	Correct	43 ms	2652 KB	Output is correct

Subtask #10
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	53 ms	3408 KB	Output is correct
2	Correct	52 ms	3372 KB	Output is correct
3	Correct	43 ms	3008 KB	Output is correct
4	Correct	70 ms	3768 KB	Output is correct
5	Correct	53 ms	3164 KB	Output is correct

Subtask #11
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	52 ms	3408 KB	Output is correct
2	Correct	52 ms	3156 KB	Output is correct
3	Correct	42 ms	2896 KB	Output is correct
4	Correct	73 ms	3920 KB	Output is correct
5	Correct	52 ms	3156 KB	Output is correct

Subtask #12
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	189 ms	12372 KB	Output is correct
2	Correct	253 ms	15952 KB	Output is correct
3	Correct	248 ms	15700 KB	Output is correct
4	Correct	347 ms	17708 KB	Output is correct
5	Correct	303 ms	14928 KB	Output is correct

Subtask #13
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	279 ms	16212 KB	Output is correct
2	Correct	313 ms	15008 KB	Output is correct
3	Correct	229 ms	13908 KB	Output is correct
4	Correct	333 ms	17492 KB	Output is correct
5	Correct	349 ms	15440 KB	Output is correct

Subtask #14
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	222 ms	14976 KB	Output is correct
2	Correct	301 ms	18872 KB	Output is correct
3	Correct	325 ms	18260 KB	Output is correct
4	Correct	417 ms	21584 KB	Output is correct
5	Correct	341 ms	17744 KB	Output is correct

Subtask #15
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	303 ms	19540 KB	Output is correct
2	Correct	379 ms	17652 KB	Output is correct
3	Correct	266 ms	16464 KB	Output is correct
4	Correct	411 ms	21504 KB	Output is correct
5	Correct	331 ms	18516 KB	Output is correct

Subtask #16
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	261 ms	17404 KB	Output is correct
2	Correct	382 ms	21960 KB	Output is correct
3	Correct	353 ms	21328 KB	Output is correct
4	Correct	453 ms	24656 KB	Output is correct
5	Correct	381 ms	20392 KB	Output is correct

Subtask #17
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	394 ms	22864 KB	Output is correct
2	Correct	435 ms	20620 KB	Output is correct
3	Correct	311 ms	19536 KB	Output is correct
4	Correct	474 ms	24656 KB	Output is correct
5	Correct	424 ms	21384 KB	Output is correct

Subtask #18
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	323 ms	19792 KB	Output is correct
2	Correct	455 ms	25120 KB	Output is correct
3	Correct	413 ms	24400 KB	Output is correct
4	Correct	567 ms	28500 KB	Output is correct
5	Correct	464 ms	24100 KB	Output is correct

Subtask #19
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	439 ms	26000 KB	Output is correct
2	Correct	546 ms	23476 KB	Output is correct
3	Correct	430 ms	22352 KB	Output is correct
4	Correct	552 ms	28400 KB	Output is correct
5	Correct	453 ms	24400 KB	Output is correct

Subtask #20
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	381 ms	24572 KB	Output is correct
2	Correct	536 ms	31660 KB	Output is correct
3	Correct	495 ms	30384 KB	Output is correct
4	Correct	707 ms	35100 KB	Output is correct
5	Correct	550 ms	29500 KB	Output is correct

Subtask #21
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	559 ms	32520 KB	Output is correct
2	Correct	621 ms	29264 KB	Output is correct
3	Correct	461 ms	28148 KB	Output is correct
4	Correct	715 ms	35304 KB	Output is correct
5	Correct	580 ms	30804 KB	Output is correct

답안 #1000218

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