Problem5812--IOI2021 练习赛 T1：Handcrafted Gift (gift)

5812: IOI2021 练习赛 T1：Handcrafted Gift (gift)

[Creator : ]
Time Limit : 1.000 sec  Memory Limit : 256 MiB

SubmitSolved: 0Submit Num: 0StatisticsShowOff!

Description

Input

Output

Constraints

Sample 1 Input 

4 2
0 2 1
2 3 2

Sample 1 Output 

1
RRRB

Sample 2 Input 

3 3
0 1 1
1 2 1
0 2 2

Sample 2 Output 

0

HINT

题目来源：IOI2021 练习赛 T1。

Source/Category

 
Submit