Submission #914987

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
914987	2024-01-23T05:18:42 Z	Em1L	Mobile (BOI12_mobile)	C++17	100 / 100	345 ms	35452 KB

mobile

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

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

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	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

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 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	348 KB	Output is correct

Subtask #2
4.0 / 4.0

#	Verdict	Execution time	Memory	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

Subtask #3
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 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	500 KB	Output is correct

Subtask #4
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	348 KB	Output is correct
2	Correct	2 ms	348 KB	Output is correct
3	Correct	2 ms	348 KB	Output is correct
4	Correct	2 ms	348 KB	Output is correct

Subtask #5
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	348 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 #6
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	348 KB	Output is correct
2	Correct	2 ms	348 KB	Output is correct
3	Correct	2 ms	348 KB	Output is correct
4	Correct	2 ms	348 KB	Output is correct
5	Correct	2 ms	348 KB	Output is correct

Subtask #7
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	25 ms	2648 KB	Output is correct
2	Correct	24 ms	2908 KB	Output is correct
3	Correct	14 ms	3164 KB	Output is correct
4	Correct	23 ms	3676 KB	Output is correct
5	Correct	12 ms	2908 KB	Output is correct

Subtask #8
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	21 ms	2652 KB	Output is correct
2	Correct	22 ms	2648 KB	Output is correct
3	Correct	25 ms	2648 KB	Output is correct
4	Correct	24 ms	3672 KB	Output is correct
5	Correct	29 ms	4156 KB	Output is correct

Subtask #9
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	19 ms	2692 KB	Output is correct
2	Correct	21 ms	2652 KB	Output is correct
3	Correct	20 ms	3420 KB	Output is correct
4	Correct	41 ms	4440 KB	Output is correct
5	Correct	25 ms	3620 KB	Output is correct

Subtask #10
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	24 ms	2652 KB	Output is correct
2	Correct	24 ms	2648 KB	Output is correct
3	Correct	23 ms	3676 KB	Output is correct
4	Correct	33 ms	4444 KB	Output is correct
5	Correct	28 ms	3932 KB	Output is correct

Subtask #11
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	24 ms	2652 KB	Output is correct
2	Correct	29 ms	2928 KB	Output is correct
3	Correct	24 ms	3676 KB	Output is correct
4	Correct	33 ms	4444 KB	Output is correct
5	Correct	28 ms	3928 KB	Output is correct

Subtask #12
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	107 ms	8832 KB	Output is correct
2	Correct	121 ms	8816 KB	Output is correct
3	Correct	119 ms	8788 KB	Output is correct
4	Correct	155 ms	8584 KB	Output is correct
5	Correct	144 ms	15440 KB	Output is correct

Subtask #13
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	130 ms	8832 KB	Output is correct
2	Correct	180 ms	8788 KB	Output is correct
3	Correct	116 ms	14420 KB	Output is correct
4	Correct	159 ms	18172 KB	Output is correct
5	Correct	143 ms	16148 KB	Output is correct

Subtask #14
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	129 ms	10836 KB	Output is correct
2	Correct	146 ms	10832 KB	Output is correct
3	Correct	150 ms	19556 KB	Output is correct
4	Correct	194 ms	22608 KB	Output is correct
5	Correct	171 ms	18872 KB	Output is correct

Subtask #15
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	150 ms	10832 KB	Output is correct
2	Correct	211 ms	10832 KB	Output is correct
3	Correct	141 ms	17532 KB	Output is correct
4	Correct	195 ms	22512 KB	Output is correct
5	Correct	175 ms	19536 KB	Output is correct

Subtask #16
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	147 ms	12936 KB	Output is correct
2	Correct	176 ms	13176 KB	Output is correct
3	Correct	173 ms	23100 KB	Output is correct
4	Correct	225 ms	26452 KB	Output is correct
5	Correct	200 ms	21988 KB	Output is correct

Subtask #17
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	170 ms	12932 KB	Output is correct
2	Correct	239 ms	13184 KB	Output is correct
3	Correct	167 ms	21100 KB	Output is correct
4	Correct	223 ms	26092 KB	Output is correct
5	Correct	202 ms	23124 KB	Output is correct

Subtask #18
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	167 ms	14928 KB	Output is correct
2	Correct	191 ms	14932 KB	Output is correct
3	Correct	195 ms	26444 KB	Output is correct
4	Correct	256 ms	30548 KB	Output is correct
5	Correct	235 ms	26364 KB	Output is correct

Subtask #19
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	196 ms	14984 KB	Output is correct
2	Correct	271 ms	15228 KB	Output is correct
3	Correct	196 ms	24820 KB	Output is correct
4	Correct	258 ms	30448 KB	Output is correct
5	Correct	229 ms	26452 KB	Output is correct

Subtask #20
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	211 ms	16088 KB	Output is correct
2	Correct	245 ms	16088 KB	Output is correct
3	Correct	247 ms	30588 KB	Output is correct
4	Correct	330 ms	35316 KB	Output is correct
5	Correct	287 ms	29676 KB	Output is correct

Subtask #21
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	244 ms	24616 KB	Output is correct
2	Correct	345 ms	23132 KB	Output is correct
3	Correct	239 ms	28152 KB	Output is correct
4	Correct	331 ms	35452 KB	Output is correct
5	Correct	287 ms	30800 KB	Output is correct

Submission #914987

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