題目連結：https://www.luogu.com.cn/problem/P5730

題目解析：

　　看了半天才明白題目是什麼意思

　　下圖樣例中有10個紅方框，每個紅方框是一個數，依次是0，1，2，...，9

　　然後也沒什麼好方法，打表吧

 1 #include <bits/stdc++.h>
 2 using namespace std;
 3 char a[110];
 4 int main() {
 5     int n;
 6     cin >> n;
 7     string ans[10];
 8     for (int i = 1; i <= n; i++) { //
 
讀入n個字元
 9         cin >> a[i];
10         if (a[i] == '0') {    
11             ans[1] += "XXX.";
12             ans[2] += "X.X.";
13             ans[3] += "X.X.";
14             ans[4] += "X.X.";
15             ans[5] += "XXX.";
16         }
17         if (a[i] == '1') {
18             ans[1] += "
 
..X.";
19             ans[2] += "..X.";
20             ans[3] += "..X.";
21             ans[4] += "..X.";
22             ans[5] += "..X.";
23         }
24         if (a[i] == '2') {
25             ans[1] += "XXX.";
26             ans[2] += "..X.";
27             ans[3] += "XXX.";
28             ans[4
 
] += "X...";
29             ans[5] += "XXX.";
30         }
31         if (a[i] == '3') {
32             ans[1] += "XXX.";
33             ans[2] += "..X.";
34             ans[3] += "XXX.";
35             ans[4] += "..X.";
36             ans[5] += "XXX.";
37         }
38         if (a[i] == '4') {
39             ans[1] += "X.X.";
40             ans[2] += "X.X.";
41             ans[3] += "XXX.";
42             ans[4] += "..X.";
43             ans[5] += "..X.";
44         }
45         if (a[i] == '5') {
46             ans[1] += "XXX.";
47             ans[2] += "X...";
48             ans[3] += "XXX.";
49             ans[4] += "..X.";
50             ans[5] += "XXX.";    
51         }
52         if (a[i] == '6') {
53             ans[1] += "XXX.";
54             ans[2] += "X...";
55             ans[3] += "XXX.";
56             ans[4] += "X.X.";
57             ans[5] += "XXX.";
58         }
59         if (a[i] == '7') {
60             ans[1] += "XXX.";
61             ans[2] += "..X.";
62             ans[3] += "..X.";
63             ans[4] += "..X.";
64             ans[5] += "..X.";
65         }
66         if (a[i] == '8') {
67             ans[1] += "XXX.";
68             ans[2] += "X.X.";
69             ans[3] += "XXX.";
70             ans[4] += "X.X.";
71             ans[5] += "XXX.";
72         }
73         if (a[i] == '9') {
74             ans[1] += "XXX.";
75             ans[2] += "X.X.";
76             ans[3] += "XXX.";
77             ans[4] += "..X.";
78             ans[5] += "XXX.";
79         }
80     }
81     for (int i = 1; i <= 5; i++) {
82         ans[i] = ans[i].substr(0, ans[i].length() - 1); //去除最後一列點  
83         cout << ans[i] << endl;
84     }
85     return 0;
86 }