Submission #2,387

2023-01-12 12:28:05

cpp11

Accepted 40/40

3ms

3872 KiB

#include <bits/stdc++.h>

using namespace std;

int main()
{
    string s;
    cin >> s;
    int n = s.size();
    int sum = 0;
    int nem0db = 0;
    for(char c : s){
        sum += c-'0';
        nem0db += c!='0';
    }

    // 200 -> 199
    // 30

    long long ki = sum;
    if(nem0db == 1 && s[0] != '1'){
        ki += (n-1)*9;
    }
    ki += n*(n-1)/2*9;

    cout << ki << "\n";

}

	Sum	Test	Verdict		Time	Memory
base	40/40
		1	Accepted	0/0	3ms	1680 KiB
		2	Accepted	0/0	2ms	1936 KiB
		3	Accepted	0/0	2ms	2140 KiB
		4	Accepted	2/2	2ms	2340 KiB
		5	Accepted	2/2	2ms	2588 KiB
		6	Accepted	2/2	2ms	2792 KiB
		7	Accepted	2/2	2ms	2740 KiB
		8	Accepted	2/2	2ms	2864 KiB
		9	Accepted	2/2	2ms	3076 KiB
		10	Accepted	2/2	2ms	3256 KiB
		11	Accepted	4/4	2ms	3460 KiB
		12	Accepted	4/4	2ms	3532 KiB
		13	Accepted	2/2	2ms	3556 KiB
		14	Accepted	2/2	2ms	3656 KiB
		15	Accepted	2/2	2ms	3656 KiB
		16	Accepted	2/2	2ms	3560 KiB
		17	Accepted	2/2	2ms	3564 KiB
		18	Accepted	2/2	2ms	3688 KiB
		19	Accepted	3/3	2ms	3776 KiB
		20	Accepted	3/3	2ms	3872 KiB