NumberField | Topcoder Archive

Problem Statement

Definition

Class:: NumberField
Method:: countSpecialNumbers
Parameters:: String[], int, int
Returns:: int
Method signature:: int countSpecialNumbers(String[] field, int A, int B)
(be sure your method is public)

Constraints

field å å«1ä¸ªå°50ä¸ªå ç´ ï¼å«1å50ã
fieldçæ¯ä¸ªå ç´ å å«1ä¸ªå°50ä¸ªåç¬¦ï¼å«1å50ã
fieldçæ¯ä¸ªå ç´ å å«ç¸åçåç¬¦æ°ã
fieldçæ¯ä¸ªå ç´ çåç¬¦åä¸ºâ0âå°â9âä¹ä¸ã
Açèå´ä¼å¨0å°100ä¹é´ï¼å«0å100ã
B çèå´ä¼å¨Aå°100ä¹é´ï¼å«Aå100ã

Examples

```
{"111",
 "111",
 "111"}
```
```
4
```
```
8
```
```
Returns: 5
```
å¨è¿åç°å°éé¢ï¼ä½äºè§è½çæ ¼åçç¹æ®ç¨åº¦æ¯3ï¼ä½äºä¸é´çæ ¼åçç¹æ®ç¨åº¦æ¯8ï¼å ¶ä»4ä¸ªæ ¼åçç¹æ®ç¨åº¦ä¸º5ã
```
{"111",
 "141",
 "111"}
```
```
4
```
```
8
```
```
Returns: 9
```
ç°å¨ææç9ä¸ªæ ¼åé½æ»¡è¶³è¦æ±ã
```
{"2309",
 "0239",
 "2314"}
```
```
5
```
```
7
```
```
Returns: 3
```

{"924",
 "231",
 "390",
 "910",
 "121"}

Returns: 0

```
{"5"}
```
```
3
```
```
8
```
```
Returns: 0
```

{"1234567890",
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890"}

Returns: 26

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