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- // https://www.luogu.com.cn/problem/P1055
- #include <iostream>
- using namespace std;
- int main()
- {
- char s[14], mod[12] = "0123456789X";
- int i, j = 1, a = 0;
- for (i = 0; i < 13; i++)
- {
- cin >> s[i];
- if ((s[i] != '-') && i != 12)
- {
- if (s[i] != 'X')
- a += (s[i] - '0') * j;
- else
- a += 11 * j;
- j++;
- }
- }
- if ((a % 11) == (s[12] - '0'))
- cout << "Right";
- else if ((s[12] == 'X') && ((a % 11) == 10))
- {
- cout << "Right";
- }
- else
- {
- for (i = 0; i < 12; i++)
- {
- cout << s[i];
- }
- cout << mod[a % 11];
- }
- return 0;
- }
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