Submission #73055340


Source Code Expand

#include <iostream>
using namespace std;
int n, k;
int ans;
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);
    cin >> n >> k;
    if (k > 45)
        return cout << "0", 0;
    for (int i = 1; i <= n; i++)
    {
        string s = to_string(i);
        int sum = 0;
        for (char c : s)
            sum += c - '0';
        if (sum == k)
            ans++;
    }
    cout << ans;
}

Submission Info

Submission Time
Task B - Digit Sum
User Hygrox
Language C++23 (GCC 15.2.0)
Score 200
Code Size 433 Byte
Status AC
Exec Time 3 ms
Memory 3672 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 3
AC × 12
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All random_01.txt, random_02.txt, random_03.txt, random_04.txt, random_05.txt, random_06.txt, random_07.txt, random_08.txt, random_09.txt, sample_01.txt, sample_02.txt, sample_03.txt
Case Name Status Exec Time Memory
random_01.txt AC 2 ms 3452 KiB
random_02.txt AC 1 ms 3476 KiB
random_03.txt AC 1 ms 3456 KiB
random_04.txt AC 2 ms 3580 KiB
random_05.txt AC 1 ms 3452 KiB
random_06.txt AC 2 ms 3672 KiB
random_07.txt AC 1 ms 3536 KiB
random_08.txt AC 2 ms 3452 KiB
random_09.txt AC 2 ms 3468 KiB
sample_01.txt AC 1 ms 3628 KiB
sample_02.txt AC 1 ms 3576 KiB
sample_03.txt AC 3 ms 3452 KiB