답안 #570576

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
570576	2022-05-30T14:17:20 Z	TheEccentricDuck	Mobile (BOI12_mobile)	C++17	90 / 100	1000 ms	15980 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 = 1000000000;
    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	340 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	360 KB	Output is correct
2	Correct	2 ms	340 KB	Output is correct
3	Correct	3 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	4 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	468 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	5 ms	340 KB	Output is correct
3	Correct	4 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	4 ms	400 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	4 ms	392 KB	Output is correct

Subtask #7
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	78 ms	1492 KB	Output is correct
2	Correct	60 ms	1492 KB	Output is correct
3	Correct	39 ms	1108 KB	Output is correct
4	Correct	71 ms	1492 KB	Output is correct
5	Correct	33 ms	1108 KB	Output is correct

Subtask #8
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	55 ms	1616 KB	Output is correct
2	Correct	58 ms	1416 KB	Output is correct
3	Correct	67 ms	1492 KB	Output is correct
4	Correct	71 ms	1492 KB	Output is correct
5	Correct	83 ms	1740 KB	Output is correct

Subtask #9
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	62 ms	1620 KB	Output is correct
2	Correct	60 ms	1620 KB	Output is correct
3	Correct	69 ms	1640 KB	Output is correct
4	Correct	89 ms	1876 KB	Output is correct
5	Correct	64 ms	1620 KB	Output is correct

Subtask #10
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	74 ms	1876 KB	Output is correct
2	Correct	74 ms	1876 KB	Output is correct
3	Correct	77 ms	1876 KB	Output is correct
4	Correct	108 ms	1880 KB	Output is correct
5	Correct	90 ms	1876 KB	Output is correct

Subtask #11
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	85 ms	1880 KB	Output is correct
2	Correct	73 ms	1876 KB	Output is correct
3	Correct	76 ms	1884 KB	Output is correct
4	Correct	89 ms	1876 KB	Output is correct
5	Correct	79 ms	1884 KB	Output is correct

Subtask #12
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	394 ms	8156 KB	Output is correct
2	Correct	441 ms	8148 KB	Output is correct
3	Correct	383 ms	8152 KB	Output is correct
4	Correct	494 ms	8160 KB	Output is correct
5	Correct	407 ms	8148 KB	Output is correct

Subtask #13
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	386 ms	8148 KB	Output is correct
2	Correct	531 ms	8148 KB	Output is correct
3	Correct	346 ms	8148 KB	Output is correct
4	Correct	459 ms	8148 KB	Output is correct
5	Correct	425 ms	8148 KB	Output is correct

Subtask #14
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	1089 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	461 ms	9704 KB	Output is correct
2	Correct	558 ms	9716 KB	Output is correct
3	Correct	465 ms	9700 KB	Output is correct
4	Correct	548 ms	9700 KB	Output is correct
5	Correct	502 ms	9704 KB	Output is correct

Subtask #16
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	1057 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	572 ms	11276 KB	Output is correct
2	Correct	638 ms	11220 KB	Output is correct
3	Correct	536 ms	11280 KB	Output is correct
4	Correct	662 ms	11280 KB	Output is correct
5	Correct	615 ms	11276 KB	Output is correct

Subtask #18
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	667 ms	12836 KB	Output is correct
2	Correct	628 ms	12840 KB	Output is correct
3	Correct	611 ms	12836 KB	Output is correct
4	Correct	751 ms	12756 KB	Output is correct
5	Correct	675 ms	12840 KB	Output is correct

Subtask #19
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	612 ms	12840 KB	Output is correct
2	Correct	762 ms	12840 KB	Output is correct
3	Correct	598 ms	12840 KB	Output is correct
4	Correct	753 ms	12844 KB	Output is correct
5	Correct	678 ms	12840 KB	Output is correct

Subtask #20
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	782 ms	15980 KB	Output is correct
2	Correct	813 ms	15976 KB	Output is correct
3	Correct	822 ms	15980 KB	Output is correct
4	Correct	918 ms	15972 KB	Output is correct
5	Correct	825 ms	15980 KB	Output is correct

Subtask #21
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	750 ms	15972 KB	Output is correct
2	Correct	871 ms	15976 KB	Output is correct
3	Correct	745 ms	15956 KB	Output is correct
4	Correct	965 ms	15972 KB	Output is correct
5	Correct	848 ms	15980 KB	Output is correct

답안 #570576

Compilation message