0分蒟蒻求助!
#include <bits/stdc++.h>
#define ll long long
using namespace std;
int main() {
int n[10], m, mod, d;
char ch, c;
scanf("%d-%d%d%d-%d%d%d%d%d-%c",&n[0],&n[1],&n[2],&n[3],&n[4],&n[5],&n[6],&n[7],&n[8],&ch);
if (ch == 'X') {
d = 10;
}
else {
d = ch - 48;
}
for (int i = 1; i <= 9; i ++) {
m += n[i - 1] * i;
}
mod = m % 11;
if (mod == 10) {
c = 'X';
}
else {
c = mod + 48;
}
if (d == mod) {
cout << "Right" << endl;
}
else {
printf("%d-%d%d%d-%d%d%d%d%d-%c\n",n[0],n[1],n[2],n[3],n[4],n[5],n[6],n[7],n[8],c);
}
return 0;
}