4 2
1924
//answer : 94

7 3
1231234
//answer : 3234

10 4
4177252841
//answer : 775841

6 2
391123
//answer : 9123

6 2
436436
//answer: 6436

7 3
7654321
//answer: 7654

6 2
362514
//answer : 6514

2 1
19
//answer : 9

4 2
1324
//answer : 34

4 1
8849
//answer: 889

8 2
15446321
//answer : 546321

7 5
9929191
//answer : 99

5 3
99291
//answer : 99

6 3
773671
//answer : 777

4 2
9879
//answer : 99

10 3

2222211113

//answer : 2222213

10 3

1111122223

//answer : 1122223

반례가 많다보니 잘못된 반례가 있을 수 있습니다. 잘못된 반례는 댓글로 문의해주세요.