Submission #7,265

2024-01-05 16:40:33

cpp17

Accepted 40/40

3ms

3952 KiB

#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define FastIO ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
typedef long long ll;
using namespace std;
int main() {
    FastIO;
    string N;
    cin >> N;
    cout << (((N[0] > '1' && count(all(N), '0') == N.size() - 1) ? (N[0] - '0' + (N.size() - 1) * 9) : accumulate(all(N), 0LL, [](auto a, auto b) { return a + ((ll) (b - '0')); })) + N.size() * (N.size() - 1LL) * 9LL / 2LL) << '\n';
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	40/40
		1	Accepted	0/0	3ms	1828 KiB
		2	Accepted	0/0	3ms	2048 KiB
		3	Accepted	0/0	3ms	2280 KiB
		4	Accepted	2/2	2ms	2348 KiB
		5	Accepted	2/2	2ms	2348 KiB
		6	Accepted	2/2	3ms	2452 KiB
		7	Accepted	2/2	3ms	2548 KiB
		8	Accepted	2/2	3ms	2560 KiB
		9	Accepted	2/2	3ms	2636 KiB
		10	Accepted	2/2	3ms	2660 KiB
		11	Accepted	4/4	3ms	2872 KiB
		12	Accepted	4/4	3ms	3084 KiB
		13	Accepted	2/2	3ms	3448 KiB
		14	Accepted	2/2	3ms	3408 KiB
		15	Accepted	2/2	3ms	3536 KiB
		16	Accepted	2/2	3ms	3484 KiB
		17	Accepted	2/2	3ms	3612 KiB
		18	Accepted	2/2	3ms	3620 KiB
		19	Accepted	3/3	3ms	3876 KiB
		20	Accepted	3/3	3ms	3952 KiB