ImageEnlarger | Topcoder Archive

Problem Statement

Given an image as a String[], scale it up by factor. That is, if the original image is M x N, the scaled image should be M*factor x N*factor. Each character in the input String[] should be represented by factor x factor of the same character in the output (see examples).

Definition

Class:: ImageEnlarger
Method:: enlarge
Parameters:: String[], int
Returns:: String[]
Method signature:: String[] enlarge(String[] image, int factor)
(be sure your method is public)

Constraints

image will contain between 1 and 50 elements, inclusive.
Each element of image will contain between 1 and 50 characters, inclusive.
Each element of image will contain the same number of characters.
Each character in image will have ASCII value between 32 and 126, inclusive.
factor will be between 0 and 50, inclusive.
The return will contain at most 7500 characters.

Examples

{"abc",
 "def",
 "ghi"}

Returns: { "aaabbbccc",  "aaabbbccc",  "aaabbbccc",  "dddeeefff",  "dddeeefff",  "dddeeefff",  "ggghhhiii",  "ggghhhiii",  "ggghhhiii" }

```
{"ab",
 "cd"}
```
```
0
```
```
Returns: { }
```

{"---------",
 "-TTT--CC-",
 "--T--C---",
 "--T--C---",
 "--T---CC-",
 "---------"}

Returns: { "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "----------TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT--------------------CCCCCCCCCCCCCCCCCCCC----------",  "----------TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT--------------------CCCCCCCCCCCCCCCCCCCC----------",  "----------TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT--------------------CCCCCCCCCCCCCCCCCCCC----------",  "----------TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT--------------------CCCCCCCCCCCCCCCCCCCC----------",  "----------TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT--------------------CCCCCCCCCCCCCCCCCCCC----------",  "----------TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT--------------------CCCCCCCCCCCCCCCCCCCC----------",  "----------TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT--------------------CCCCCCCCCCCCCCCCCCCC----------",  "----------TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT--------------------CCCCCCCCCCCCCCCCCCCC----------",  "----------TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT--------------------CCCCCCCCCCCCCCCCCCCC----------",  "----------TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT--------------------CCCCCCCCCCCCCCCCCCCC----------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT--------------------CCCCCCCCCC------------------------------",  "--------------------TTTTTTTTTT------------------------------CCCCCCCCCCCCCCCCCCCC----------",  "--------------------TTTTTTTTTT------------------------------CCCCCCCCCCCCCCCCCCCC----------",  "--------------------TTTTTTTTTT------------------------------CCCCCCCCCCCCCCCCCCCC----------",  "--------------------TTTTTTTTTT------------------------------CCCCCCCCCCCCCCCCCCCC----------",  "--------------------TTTTTTTTTT------------------------------CCCCCCCCCCCCCCCCCCCC----------",  "--------------------TTTTTTTTTT------------------------------CCCCCCCCCCCCCCCCCCCC----------",  "--------------------TTTTTTTTTT------------------------------CCCCCCCCCCCCCCCCCCCC----------",  "--------------------TTTTTTTTTT------------------------------CCCCCCCCCCCCCCCCCCCC----------",  "--------------------TTTTTTTTTT------------------------------CCCCCCCCCCCCCCCCCCCC----------",  "--------------------TTTTTTTTTT------------------------------CCCCCCCCCCCCCCCCCCCC----------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------",  "------------------------------------------------------------------------------------------" }

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