oj.uz

Submission #824175

# Submission time Handle Problem Language Result Execution time Memory
824175 2023-08-13T17:08:22 Z Trisanu_Das Lun (COCI19_lun) C++17
50 / 50
 1 ms 304 KB 
#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';
   	}
}

Subtask #1
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 292 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 300 KB Output is correct
10 Correct 0 ms 304 KB Output is correct