Submission #73132440

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Source Code Expand

#include <iostream>
using namespace std;
int n;
string s[105];
int tag[205];
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);
    cin >> n;
    for (int i = 1; i <= n; i++)
        cin >> s[i], s[i] = " " + s[i];
    for (int i = 1; i <= (n << 1); i++)
        tag[i] = -1;
    bool flag = true;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
            if (s[i][j] != '?')
            {
                if (tag[i + j] == -1)
                    tag[i + j] = s[i][j] - '0';
                else if (tag[i + j] != s[i][j] - '0')
                {
                    flag = false;
                    break;
                }
            }
    if (flag)
    {
        for (int i = 1; i <= n; i++)
        {
            for (int j = 1; j <= n; j++)
                cout << (tag[i + j] == -1 ? 0 : tag[i + j]);
            cout << "\n";
        }
    }
    else
        cout << "-1";
}

Submission Info

Judge Result