oj.uz

Submission #570574

# Submission time Handle Problem Language Result Execution time Memory
570574 2022-05-30T14:13:23 Z TheEccentricDuck Mobile (BOI12_mobile) C++17
90 / 100
 1000 ms 15984 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() {
    // 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

# 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 #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 0 ms 212 KB Output is correct

Subtask #3
4.0 / 4.0

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

Subtask #4
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 396 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 #5
4.0 / 4.0

# Verdict Execution time Memory 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 400 KB Output is correct

Subtask #6
5.0 / 5.0

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

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 1492 KB Output is correct
2 Correct 52 ms 1512 KB Output is correct
3 Correct 31 ms 1108 KB Output is correct
4 Correct 61 ms 1492 KB Output is correct
5 Correct 30 ms 1108 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 1540 KB Output is correct
2 Correct 44 ms 1364 KB Output is correct
3 Correct 51 ms 1492 KB Output is correct
4 Correct 67 ms 1492 KB Output is correct
5 Correct 83 ms 1620 KB Output is correct

Subtask #9
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 1692 KB Output is correct
2 Correct 53 ms 1600 KB Output is correct
3 Correct 45 ms 1620 KB Output is correct
4 Correct 81 ms 1876 KB Output is correct
5 Correct 55 ms 1620 KB Output is correct

Subtask #10
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 1888 KB Output is correct
2 Correct 63 ms 1876 KB Output is correct
3 Correct 62 ms 1880 KB Output is correct
4 Correct 103 ms 1888 KB Output is correct
5 Correct 65 ms 2000 KB Output is correct

Subtask #11
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 1996 KB Output is correct
2 Correct 59 ms 1884 KB Output is correct
3 Correct 53 ms 1876 KB Output is correct
4 Correct 81 ms 1880 KB Output is correct
5 Correct 73 ms 1884 KB Output is correct

Subtask #12
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 268 ms 8140 KB Output is correct
2 Correct 361 ms 8148 KB Output is correct
3 Correct 311 ms 8148 KB Output is correct
4 Correct 381 ms 8148 KB Output is correct
5 Correct 324 ms 8148 KB Output is correct

Subtask #13
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 348 ms 8148 KB Output is correct
2 Correct 383 ms 8080 KB Output is correct
3 Correct 268 ms 8148 KB Output is correct
4 Correct 417 ms 8152 KB Output is correct
5 Correct 343 ms 8148 KB Output is correct

Subtask #14
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1081 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 403 ms 9708 KB Output is correct
2 Correct 451 ms 9716 KB Output is correct
3 Correct 387 ms 9700 KB Output is correct
4 Correct 480 ms 9700 KB Output is correct
5 Correct 465 ms 9804 KB Output is correct

Subtask #16
0 / 5.0

# Verdict Execution time Memory 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

# Verdict Execution time Memory Grader output
1 Correct 468 ms 11280 KB Output is correct
2 Correct 553 ms 11220 KB Output is correct
3 Correct 449 ms 11220 KB Output is correct
4 Correct 572 ms 11340 KB Output is correct
5 Correct 564 ms 11276 KB Output is correct

Subtask #18
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 451 ms 12848 KB Output is correct
2 Correct 552 ms 12844 KB Output is correct
3 Correct 496 ms 12856 KB Output is correct
4 Correct 658 ms 12852 KB Output is correct
5 Correct 541 ms 12840 KB Output is correct

Subtask #19
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 505 ms 12844 KB Output is correct
2 Correct 591 ms 12756 KB Output is correct
3 Correct 500 ms 12848 KB Output is correct
4 Correct 627 ms 12836 KB Output is correct
5 Correct 604 ms 12856 KB Output is correct

Subtask #20
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 531 ms 15984 KB Output is correct
2 Correct 658 ms 15888 KB Output is correct
3 Correct 614 ms 15968 KB Output is correct
4 Correct 811 ms 15972 KB Output is correct
5 Correct 655 ms 15980 KB Output is correct

Subtask #21
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 669 ms 15976 KB Output is correct
2 Correct 750 ms 15976 KB Output is correct
3 Correct 613 ms 15972 KB Output is correct
4 Correct 889 ms 15956 KB Output is correct
5 Correct 690 ms 15972 KB Output is correct