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HORSERACE - Đua ngựa

Example

Input:
5
5 4 3 2 1
6 5 4 3 2 Output: 5 1
4 2
1 3
2 4
3 5
Input:
2
5 2
5 1

Output:
1 1
2 2
Input:
2
3 1
2 1

Output:
1 1
2 2

Được gửi lên bởi:noname00.pas
Ngày:2017-12-01
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:Bài tập Ôn HN 01/2017 (Thầy Lê Minh Hoàng)

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