Submission #74885003

Source Code Expand

#include <iostream>
#include <string>
#include <vector>
using namespace std;

int main(void)
{
    int N;
    cin >> N;
    vector<double> L(N);
    for (int i = 0; i < N; i++)
        cin >> L[i];

    int ans = 0;

    for (int mask = 0; mask < (1 << N); mask++)
    {
        double x = 0.5;
        int cnt = 0;

        for (int i = 0; i < N; i++)
        {
            double prev = x;

            if (mask & (1 << i))
                x += L[i];
            else
                x -= L[i];
            if ((prev > 0 && x < 0) || (prev < 0 && x > 0))
                cnt++;
        }

        ans = max(ans, cnt);
    }

    cout << ans << endl;
}

Submission Info

Submission Time
Task C - Sneaking Glances
User ajiyaki
Language C++23 (GCC 15.2.0)
Score 300
Code Size 689 Byte
Status AC
Exec Time 80 ms
Memory 3752 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 34
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 3604 KiB
sample_02.txt AC 1 ms 3676 KiB
sample_03.txt AC 74 ms 3628 KiB
test_01.txt AC 1 ms 3632 KiB
test_02.txt AC 1 ms 3672 KiB
test_03.txt AC 1 ms 3652 KiB
test_04.txt AC 1 ms 3624 KiB
test_05.txt AC 79 ms 3628 KiB
test_06.txt AC 40 ms 3624 KiB
test_07.txt AC 79 ms 3648 KiB
test_08.txt AC 1 ms 3692 KiB
test_09.txt AC 79 ms 3640 KiB
test_10.txt AC 1 ms 3708 KiB
test_11.txt AC 79 ms 3652 KiB
test_12.txt AC 79 ms 3716 KiB
test_13.txt AC 1 ms 3624 KiB
test_14.txt AC 1 ms 3604 KiB
test_15.txt AC 80 ms 3676 KiB
test_16.txt AC 39 ms 3708 KiB
test_17.txt AC 80 ms 3632 KiB
test_18.txt AC 77 ms 3632 KiB
test_19.txt AC 1 ms 3624 KiB
test_20.txt AC 1 ms 3652 KiB
test_21.txt AC 1 ms 3752 KiB
test_22.txt AC 1 ms 3628 KiB
test_23.txt AC 1 ms 3628 KiB
test_24.txt AC 1 ms 3616 KiB
test_25.txt AC 1 ms 3692 KiB
test_26.txt AC 1 ms 3648 KiB
test_27.txt AC 73 ms 3692 KiB
test_28.txt AC 74 ms 3708 KiB
test_29.txt AC 76 ms 3668 KiB
test_30.txt AC 74 ms 3676 KiB
test_31.txt AC 74 ms 3624 KiB