oj.uz

Submission #570571

# Submission time Handle Problem Language Result Execution time Memory
570571 2022-05-30T14:07:43 Z TheEccentricDuck Mobile (BOI12_mobile) C++17
65 / 100
 1000 ms 16044 KB 
//======================================================================================================================
// 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() {
    // 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

# Verdict Execution time Memory Grader output
1 Correct 0 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory Grader output
1 Correct 4 ms 340 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 3 ms 212 KB Output is correct
4 Correct 4 ms 212 KB Output is correct

Subtask #4
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 372 KB Output is correct
2 Correct 7 ms 340 KB Output is correct
3 Correct 6 ms 340 KB Output is correct
4 Correct 6 ms 340 KB Output is correct

Subtask #5
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 340 KB Output is correct
2 Correct 6 ms 340 KB Output is correct
3 Correct 6 ms 340 KB Output is correct
4 Correct 8 ms 376 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 380 KB Output is correct
2 Correct 7 ms 340 KB Output is correct
3 Correct 5 ms 340 KB Output is correct
4 Correct 7 ms 340 KB Output is correct
5 Correct 5 ms 368 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 1468 KB Output is correct
2 Correct 86 ms 1492 KB Output is correct
3 Correct 62 ms 1128 KB Output is correct
4 Correct 131 ms 1476 KB Output is correct
5 Correct 53 ms 1076 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 1492 KB Output is correct
2 Correct 77 ms 1392 KB Output is correct
3 Correct 93 ms 1556 KB Output is correct
4 Correct 102 ms 1492 KB Output is correct
5 Correct 123 ms 1648 KB Output is correct

Subtask #9
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 1620 KB Output is correct
2 Correct 91 ms 1492 KB Output is correct
3 Correct 95 ms 1620 KB Output is correct
4 Correct 165 ms 1852 KB Output is correct
5 Correct 93 ms 1620 KB Output is correct

Subtask #10
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 116 ms 1856 KB Output is correct
2 Correct 114 ms 1876 KB Output is correct
3 Correct 111 ms 1748 KB Output is correct
4 Correct 155 ms 1876 KB Output is correct
5 Correct 112 ms 1876 KB Output is correct

Subtask #11
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 120 ms 1856 KB Output is correct
2 Correct 124 ms 1876 KB Output is correct
3 Correct 102 ms 1876 KB Output is correct
4 Correct 151 ms 1876 KB Output is correct
5 Correct 122 ms 1876 KB Output is correct

Subtask #12
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 472 ms 8132 KB Output is correct
2 Correct 634 ms 8116 KB Output is correct
3 Correct 555 ms 8128 KB Output is correct
4 Correct 762 ms 8020 KB Output is correct
5 Correct 606 ms 8020 KB Output is correct

Subtask #13
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 601 ms 8116 KB Output is correct
2 Correct 698 ms 8124 KB Output is correct
3 Correct 560 ms 8120 KB Output is correct
4 Correct 728 ms 8116 KB Output is correct
5 Correct 677 ms 8116 KB Output is correct

Subtask #14
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1085 ms 9684 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #15
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 717 ms 9684 KB Output is correct
2 Correct 781 ms 9688 KB Output is correct
3 Correct 624 ms 9684 KB Output is correct
4 Correct 892 ms 9684 KB Output is correct
5 Correct 735 ms 9684 KB Output is correct

Subtask #16
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1088 ms 11220 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #17
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 865 ms 11268 KB Output is correct
2 Correct 910 ms 11260 KB Output is correct
3 Correct 838 ms 11340 KB Output is correct
4 Execution timed out 1053 ms 11220 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #18
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 761 ms 12812 KB Output is correct
2 Correct 952 ms 12812 KB Output is correct
3 Correct 942 ms 12828 KB Output is correct
4 Execution timed out 1090 ms 12756 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #19
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 993 ms 12816 KB Output is correct
2 Execution timed out 1068 ms 16044 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #20
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 957 ms 15952 KB Output is correct
2 Execution timed out 1097 ms 15836 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #21
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1073 ms 15956 KB Time limit exceeded
2 Halted 0 ms 0 KB -