Submission #72876620

Source Code Expand

#include <bits/stdc++.h>
using namespace std;
int judge(int n, int mid, int k)
{
    long long sum = (2 * n * 1LL + mid) * (mid + 1) / 2;
    if (sum >= k)
    {
        return 1;
    }
    else
    {
        return 0;
    }
}
int main()
{
    cin.tie(0)->sync_with_stdio(0);

    int n, k;
    cin >> n >> k;

    int left = 0, right = k + 1;
    while (left <= right)
    {
        long long mid = left + (right - left) / 2;
        if (judge(n, mid, k) == 1)
        {
            right = mid - 1;
        }
        else
        {
            left = mid + 1;
        }
    }
    cout << right + 1;

    return 0;
}

Submission Info

Submission Time
Task B - Setsubun
User RageLog
Language C++23 (GCC 15.2.0)
Score 200
Code Size 654 Byte
Status AC
Exec Time 1 ms
Memory 3636 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 3
AC × 27
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
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 3536 KiB
sample_02.txt AC 1 ms 3536 KiB
sample_03.txt AC 1 ms 3612 KiB
test_01.txt AC 1 ms 3540 KiB
test_02.txt AC 1 ms 3540 KiB
test_03.txt AC 1 ms 3540 KiB
test_04.txt AC 1 ms 3524 KiB
test_05.txt AC 1 ms 3576 KiB
test_06.txt AC 1 ms 3540 KiB
test_07.txt AC 1 ms 3604 KiB
test_08.txt AC 1 ms 3608 KiB
test_09.txt AC 1 ms 3524 KiB
test_10.txt AC 1 ms 3412 KiB
test_11.txt AC 1 ms 3564 KiB
test_12.txt AC 1 ms 3612 KiB
test_13.txt AC 1 ms 3608 KiB
test_14.txt AC 1 ms 3524 KiB
test_15.txt AC 1 ms 3608 KiB
test_16.txt AC 1 ms 3540 KiB
test_17.txt AC 1 ms 3596 KiB
test_18.txt AC 1 ms 3468 KiB
test_19.txt AC 1 ms 3540 KiB
test_20.txt AC 1 ms 3580 KiB
test_21.txt AC 1 ms 3580 KiB
test_22.txt AC 1 ms 3608 KiB
test_23.txt AC 1 ms 3432 KiB
test_24.txt AC 1 ms 3636 KiB