#include <iostream>
#include <cstring>
using namespace std;
string x[10][5]=
{
    "XXX",
    "X.X",
    "X.X",
    "X.X",
    "XXX",//0
    
    "..X",
    "..X",
    "..X",
    "..x",
    "..x",//1
    
    "XXX",
    "..X",
    "XXX",
    "X..",
    "XXX",//2
    
    "XXX",
    "..X",
    "XXX",
    "..X",
    "XXX",//3
    
    "X.X",
    "X.x",
    "XXX",
    "..X",
    "..x",//4
    
    "XXX",
    "X..",
    "XXX",
    "..X",
    "XXX",//5
    
    "XXX",
    "X..",
    "XXX",
    "X.X",
    "XXX",//6
    
    "XXX",
    "..X",
    "..X",
    "..X",
    "..X",//7
    
    "XXX",
    "X.X",
    "XXX",
    "X.X",
    "XXX",//8
    
    "XXX",
    "X.X",
    "XXX",
    "..X",
    "XXX",//9
};
int main()
{
    int n;
    char a[100];
    cin >> n;
    for(int i = 0; i < n; i++)
    {
        cin >> a[i];
    }
    for(int i = 0; i < 5; i++)
    {
        for(int j = 0; j < n;j++)
        {
            if(a[j]=='0')
            {
                cout << x[0][i];
            }
            else if(a[j]=='1')
            {
                cout << x[1][i];
            }
            else if(a[j]=='2')
            {
                cout << x[2][i];
            }
            else if(a[j]=='3')
            {
                cout << x[3][i];
            }
            else if(a[j]=='4')
            {
                cout << x[4][i];
            }
            else if(a[j]=='5')
            {
                cout << x[5][i];
            }
            else if(a[j]=='6')
            {
                cout << x[6][i];
            }
            else if(a[j]=='7')
            {
                cout << x[7][i];
            }
            else if(a[j]=='8')
            {
                cout << x[8][i];
            }
            else if(a[j]=='9')
            {
                cout << x[9][i];
            }
            if(j<n-1)
            {
                cout << ".";
            }
        }
        cout << "\n";
    }
    return 0;
}

错误信息：Wrong Answer.wrong answer On line 2 column 11, read x, expected X.

求大佬帮解！！