Problem5815--IOI2021 练习赛 T4：Robot (robot)

5815: IOI2021 练习赛 T4：Robot (robot)

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Time Limit : 1.000 sec  Memory Limit : 256 MiB

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Description

Input

Output

Constraints

Sample 1 Input 

2 2 700 1 0 0 1
0 0
0 1

Sample 1 Output 

3
LDU

HINT

题目来源：IOI2021 练习赛 T4。

Source/Category

 
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