답안 #570575

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
570575	2022-05-30T14:15:30 Z	TheEccentricDuck	Mobile (BOI12_mobile)	C++17	90 / 100	1000 ms	16076 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>
#pragma GCC optimize ("Ofast")
#pragma GCC target ("avx2")

// 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	0 ms	212 KB	Output is correct
4	Correct	0 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	4 ms	340 KB	Output is correct
2	Correct	2 ms	340 KB	Output is correct
3	Correct	3 ms	340 KB	Output is correct
4	Correct	3 ms	340 KB	Output is correct

Subtask #4
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	400 KB	Output is correct
2	Correct	6 ms	340 KB	Output is correct
3	Correct	5 ms	340 KB	Output is correct
4	Correct	5 ms	400 KB	Output is correct

Subtask #5
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 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

Subtask #6
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	340 KB	Output is correct
2	Correct	4 ms	340 KB	Output is correct
3	Correct	4 ms	340 KB	Output is correct
4	Correct	5 ms	340 KB	Output is correct
5	Correct	5 ms	404 KB	Output is correct

Subtask #7
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	74 ms	1492 KB	Output is correct
2	Correct	58 ms	1492 KB	Output is correct
3	Correct	40 ms	1152 KB	Output is correct
4	Correct	66 ms	1492 KB	Output is correct
5	Correct	39 ms	1116 KB	Output is correct

Subtask #8
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	60 ms	1492 KB	Output is correct
2	Correct	56 ms	1420 KB	Output is correct
3	Correct	65 ms	1492 KB	Output is correct
4	Correct	67 ms	1492 KB	Output is correct
5	Correct	84 ms	1672 KB	Output is correct

Subtask #9
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	66 ms	1620 KB	Output is correct
2	Correct	66 ms	1492 KB	Output is correct
3	Correct	68 ms	1640 KB	Output is correct
4	Correct	90 ms	1876 KB	Output is correct
5	Correct	66 ms	1712 KB	Output is correct

Subtask #10
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	95 ms	1876 KB	Output is correct
2	Correct	76 ms	1876 KB	Output is correct
3	Correct	78 ms	1884 KB	Output is correct
4	Correct	101 ms	1876 KB	Output is correct
5	Correct	80 ms	1876 KB	Output is correct

Subtask #11
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	90 ms	1884 KB	Output is correct
2	Correct	78 ms	1876 KB	Output is correct
3	Correct	74 ms	1884 KB	Output is correct
4	Correct	95 ms	1876 KB	Output is correct
5	Correct	81 ms	1884 KB	Output is correct

Subtask #12
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	421 ms	8148 KB	Output is correct
2	Correct	430 ms	8148 KB	Output is correct
3	Correct	433 ms	8148 KB	Output is correct
4	Correct	503 ms	8148 KB	Output is correct
5	Correct	434 ms	8148 KB	Output is correct

Subtask #13
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	368 ms	8148 KB	Output is correct
2	Correct	489 ms	8148 KB	Output is correct
3	Correct	360 ms	8148 KB	Output is correct
4	Correct	483 ms	8148 KB	Output is correct
5	Correct	431 ms	8148 KB	Output is correct

Subtask #14
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	1097 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	470 ms	9708 KB	Output is correct
2	Correct	567 ms	9684 KB	Output is correct
3	Correct	467 ms	9808 KB	Output is correct
4	Correct	559 ms	9684 KB	Output is correct
5	Correct	499 ms	9700 KB	Output is correct

Subtask #16
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	1076 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	613 ms	11220 KB	Output is correct
2	Correct	665 ms	11220 KB	Output is correct
3	Correct	511 ms	11220 KB	Output is correct
4	Correct	683 ms	11272 KB	Output is correct
5	Correct	617 ms	11276 KB	Output is correct

Subtask #18
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	670 ms	12836 KB	Output is correct
2	Correct	616 ms	12876 KB	Output is correct
3	Correct	655 ms	12756 KB	Output is correct
4	Correct	736 ms	12756 KB	Output is correct
5	Correct	683 ms	12844 KB	Output is correct

Subtask #19
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	620 ms	12836 KB	Output is correct
2	Correct	745 ms	12844 KB	Output is correct
3	Correct	571 ms	12876 KB	Output is correct
4	Correct	728 ms	12840 KB	Output is correct
5	Correct	681 ms	12836 KB	Output is correct

Subtask #20
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	881 ms	15996 KB	Output is correct
2	Correct	853 ms	16076 KB	Output is correct
3	Correct	773 ms	15956 KB	Output is correct
4	Correct	931 ms	15972 KB	Output is correct
5	Correct	863 ms	15976 KB	Output is correct

Subtask #21
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	780 ms	15988 KB	Output is correct
2	Correct	952 ms	15972 KB	Output is correct
3	Correct	772 ms	15976 KB	Output is correct
4	Correct	979 ms	15980 KB	Output is correct
5	Correct	864 ms	15968 KB	Output is correct

답안 #570575

Compilation message