답안 #570573

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
570573	2022-05-30T14:12:22 Z	TheEccentricDuck	Mobile (BOI12_mobile)	C++17	90 / 100	1000 ms	19812 KB

mobile

//======================================================================================================================
// Name        : BOI12_MOBILE.cpp
// Author      : Jinchen Li
// Date Created: 5/30/2022
// Description : oj.uz, Mobile in C++, Ansi-style
//======================================================================================================================

// Directives
#include <algorithm>
#include <cmath>
#include <iomanip>
#include <iostream>
#include <vector>

// Main
int main() {
    // Initialisation
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);

    // Accepting Inputs
    int N;
    int L;
    std::cin >> N >> L;
    std::vector<double> x(N);
    std::vector<double> y(N);
    for (int i = 0; i < N; i++) {
        std::cin >> x[i] >> y[i];
    }

    // Processing Inputs
    double low = 1;
    double high = 2000000000;
    while (static_cast<long long int>(low * 10000) < static_cast<long long int>(high * 10000)) {
        double mid = (low + high) / 2;
        double cur = 0;
        for (int i = 0; i < N; i++) {
            double delta = std::sqrt(mid * mid - y[i] * y[i]);
            double a = x[i] - delta;
            double b = x[i] + delta;
            if (a <= cur) {
                cur = std::max(cur, b);
            }
        }

        if (cur >= L) {
            high = mid;
        }
        else {
            low = mid;
        }
    }

    // Printing Outputs
    std::cout << std::fixed << std::setprecision(4) << low;
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct

Subtask #2
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	340 KB	Output is correct
2	Correct	2 ms	340 KB	Output is correct
3	Correct	2 ms	340 KB	Output is correct
4	Correct	2 ms	340 KB	Output is correct

Subtask #4
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	340 KB	Output is correct
2	Correct	3 ms	396 KB	Output is correct
3	Correct	3 ms	340 KB	Output is correct
4	Correct	4 ms	340 KB	Output is correct

Subtask #5
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	340 KB	Output is correct
2	Correct	3 ms	340 KB	Output is correct
3	Correct	3 ms	340 KB	Output is correct
4	Correct	4 ms	340 KB	Output is correct

Subtask #6
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	340 KB	Output is correct
2	Correct	4 ms	340 KB	Output is correct
3	Correct	3 ms	340 KB	Output is correct
4	Correct	5 ms	340 KB	Output is correct
5	Correct	4 ms	400 KB	Output is correct

Subtask #7
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	51 ms	1492 KB	Output is correct
2	Correct	50 ms	1516 KB	Output is correct
3	Correct	29 ms	1108 KB	Output is correct
4	Correct	55 ms	1492 KB	Output is correct
5	Correct	28 ms	1108 KB	Output is correct

Subtask #8
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	53 ms	1492 KB	Output is correct
2	Correct	56 ms	1416 KB	Output is correct
3	Correct	64 ms	1580 KB	Output is correct
4	Correct	55 ms	1492 KB	Output is correct
5	Correct	64 ms	1672 KB	Output is correct

Subtask #9
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	43 ms	1688 KB	Output is correct
2	Correct	49 ms	1492 KB	Output is correct
3	Correct	55 ms	1740 KB	Output is correct
4	Correct	89 ms	1876 KB	Output is correct
5	Correct	52 ms	1620 KB	Output is correct

Subtask #10
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	71 ms	1888 KB	Output is correct
2	Correct	65 ms	1880 KB	Output is correct
3	Correct	61 ms	1876 KB	Output is correct
4	Correct	88 ms	1884 KB	Output is correct
5	Correct	79 ms	1880 KB	Output is correct

Subtask #11
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	64 ms	1876 KB	Output is correct
2	Correct	60 ms	1876 KB	Output is correct
3	Correct	54 ms	1880 KB	Output is correct
4	Correct	78 ms	1876 KB	Output is correct
5	Correct	65 ms	1884 KB	Output is correct

Subtask #12
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	334 ms	8148 KB	Output is correct
2	Correct	297 ms	8148 KB	Output is correct
3	Correct	348 ms	8148 KB	Output is correct
4	Correct	388 ms	8148 KB	Output is correct
5	Correct	356 ms	8148 KB	Output is correct

Subtask #13
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	399 ms	8148 KB	Output is correct
2	Correct	430 ms	8148 KB	Output is correct
3	Correct	307 ms	8152 KB	Output is correct
4	Correct	395 ms	8148 KB	Output is correct
5	Correct	416 ms	8148 KB	Output is correct

Subtask #14
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	1092 ms	9684 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #15
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	373 ms	9708 KB	Output is correct
2	Correct	470 ms	9716 KB	Output is correct
3	Correct	387 ms	9704 KB	Output is correct
4	Correct	547 ms	9704 KB	Output is correct
5	Correct	445 ms	9704 KB	Output is correct

Subtask #16
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	1092 ms	11220 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #17
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	444 ms	11336 KB	Output is correct
2	Correct	631 ms	11276 KB	Output is correct
3	Correct	393 ms	11292 KB	Output is correct
4	Correct	647 ms	11276 KB	Output is correct
5	Correct	542 ms	14636 KB	Output is correct

Subtask #18
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	450 ms	12836 KB	Output is correct
2	Correct	523 ms	12844 KB	Output is correct
3	Correct	499 ms	12840 KB	Output is correct
4	Correct	641 ms	12756 KB	Output is correct
5	Correct	567 ms	16072 KB	Output is correct

Subtask #19
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	542 ms	12836 KB	Output is correct
2	Correct	654 ms	12836 KB	Output is correct
3	Correct	559 ms	16076 KB	Output is correct
4	Correct	678 ms	15996 KB	Output is correct
5	Correct	636 ms	15948 KB	Output is correct

Subtask #20
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	574 ms	15976 KB	Output is correct
2	Correct	715 ms	15988 KB	Output is correct
3	Correct	702 ms	19168 KB	Output is correct
4	Correct	823 ms	16080 KB	Output is correct
5	Correct	714 ms	19204 KB	Output is correct

Subtask #21
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	679 ms	15976 KB	Output is correct
2	Correct	835 ms	19812 KB	Output is correct
3	Correct	585 ms	18952 KB	Output is correct
4	Correct	879 ms	16084 KB	Output is correct
5	Correct	695 ms	19040 KB	Output is correct

답안 #570573

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