Problem hidden
|This problem was hidden by Editorial Board member probably because it has incorrect language|version or invalid test data, or description of the problem is not clear.|
Example
Input:
5 3
1
2
3
4
5
5 2
2 7
1 10
Output:
32
| Được gửi lên bởi: | noname00.pas |
| Ngày: | 2017-12-26 |
| Thời gian chạy: | 0.100s
|
| Giới hạn mã nguồn: | 50000B |
| Memory limit: | 1536MB |
| Cluster: |
Cube (Intel G860)
|
| Ngôn ngữ cho phép: | C-CLANG C CSHARP C++ 4.3.2 CPP CPP14 CPP14-CLANG C99 JAVA PAS-FPC PYTHON PYTHON3 |
| Nguồn bài: | Contest CSL 2017-2018 (HY) |
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