Submission #334937

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
334937	2020-12-10T11:01:30 Z	ronnith	Lun (COCI19_lun)	C++14	50 / 50	1 ms	364 KB

lun

#include <bits/stdc++.h>

using namespace std;

int main(){
	int n;string s;
	cin >> n >> s;
	if(n == 1){
		cout << "0\n";
		return 0;
	}
	for(int i = 0;i < 10;i ++){
		int ans = 0;
		for(int j = n - 2;j >= 0;j -= 2){
			int d = (s[j] - '0') * 2;
			if(s[j] == 'x')d = i * 2;
			if(d > 9)d = d % 10 + d / 10;
			ans += d;
		}
		for(int j = n - 3;j >= 0;j -= 2){
			int d = s[j] - '0';
			if(s[j] == 'x')d = i;
			ans += d;
		}
		ans = ans * 9;
		int d = (s[n - 1] == 'x') ? i : s[n - 1] - '0';
		if(ans % 10 == d){
			cout << i << '\n';
		}
	}
	return 0;
}

Subtask #1

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct