Problem2171--Stable Arrangement of Rooks

2171: Stable Arrangement of Rooks

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 10Submit Num: 15Statistics

Description

Sample Input Copy 

5
3 2
3 3
1 1
5 2
40 33

Sample Output Copy 

..R
...
R..
-1
R
.....
R....
.....
....R
.....
-1

Source/Category

CodeForces 
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