Submission #100360

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
100360	2019-03-10T14:24:54 Z	Ort	Lun (COCI19_lun)	C++11	50 / 50	3 ms	512 KB

lun

#include<algorithm>
#include<iostream>
#include<string>
#include<vector>
#include<cctype>

using namespace std;

string s;
vector<int> sv;
int n; bool t;

int main() {
	cin.sync_with_stdio(0); cin.tie(0);
	cin >> n;
	cin >> s;
	reverse(s.begin(),s.end());
	for(int i=0;i<n;i++) {
		if(isdigit(s[i])) {
			if(i%2) {
				int num = s[i]-'0';
				num *= 2;
				if(num>9) num = (num%10) + (num/10);
				sv.push_back(num);	
			}
			else sv.push_back(s[i]-'0');
		}
		else {sv.push_back(-1); if(i%2) t=1;}
	}
	long long sum = 0;
	for(int i=0;i<n;i++) sum += (long long)(sv[i]!=-1?sv[i]:0);
	if(!t) cout << (sum*9)%10;
	else cout << (sum*9)/2 %10;
	return 0;
}

Subtask #1

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	512 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct