Submission #3726043

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	long long n, m = 0, out = 1e9, t, sum;
	cin >> n;
	for(long long i=1; i<=40000000; i++){
		if(i % 10) continue;
		m += n;
		sum = 0;
		t = m;
		while(t){
			sum += t % 10;
			t /= 10;
		}
		out = min(out, sum);
	}
	cout << out;
}

Submission Info

Judge Result