Submission #73057108

Source Code Expand

#include<bits/stdc++.h>
#define LL long long
#define PII pair<int, int>
#define PLI pair<LL, int>
#define PLL pair<LL, LL>
using namespace std;

inline void solve() {
	int n, k, ans = 0; cin >> n >> k;
	for (int i = 1; i <= n; i++) {
		int sum = 0, num = i;
		while (num) {
			sum += num % 10;
			num /= 10;
		} 
		if (sum == k) ans++;
	}
	cout << ans << "\n";
}
signed main() {
	ios::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
	int t = 1;
	//cin >> t;
	while (t--) solve();
	return 0;
}

Submission Info

Submission Time
Task B - Digit Sum
User C202627yehan
Language C++23 (GCC 15.2.0)
Score 200
Code Size 530 Byte
Status AC
Exec Time 2 ms
Memory 3716 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 3460 KiB
random_02.txt AC 2 ms 3600 KiB
random_03.txt AC 1 ms 3560 KiB
random_04.txt AC 2 ms 3716 KiB
random_05.txt AC 1 ms 3560 KiB
random_06.txt AC 2 ms 3600 KiB
random_07.txt AC 1 ms 3572 KiB
random_08.txt AC 2 ms 3484 KiB
random_09.txt AC 2 ms 3572 KiB
sample_01.txt AC 1 ms 3444 KiB
sample_02.txt AC 1 ms 3572 KiB
sample_03.txt AC 2 ms 3600 KiB