回答編集履歴
1
\.ToList\(\) 追記
test
CHANGED
|
@@ -10,6 +10,8 @@
|
|
|
10
10
|
|
|
11
11
|
.Where(g => g.Count() > 1)
|
|
12
12
|
|
|
13
|
-
.Select(g => new { number = g.Key, duplicationCount = g.Count() -1 })
|
|
13
|
+
.Select(g => new { number = g.Key, duplicationCount = g.Count() -1 })
|
|
14
|
+
|
|
15
|
+
.ToList();
|
|
14
16
|
|
|
15
17
|
```
|