Valentine's Day '19 S2 - Ctudor's Cute Cacti
View as PDFCtudor (silent 'C') just bought an  by 
 grid of cacti! He wants to monitor the happiness of each cactus. Cacti only have 2 moods - happy and sad. When Ctudor bought the cacti, all of them were happy. However, 
 events happen:
1 i j. The cactus at positionsuddenly switches their mood. If it was happy, it is now sad, and vice versa. It is common knowledge that a cactus's mood is easily affected by its surrounding cacti. Thus, when the cactus at position
switches their mood, all the cacti that are on column
or row
switch their mood as well.
2 i jCtudor would like to know the mood of the cactus at position.
.
Input Specification
The first line will contain two integers,  
.
The next  lines will each contain an event as defined above.
Output Specification
For each type  event, output 
1 if the cactus at position  is sad, and 
0 if it is happy on its own line.
Constraints
Subtask 1 [10%]
Subtask 2 [90%]
No additional constraints.
Sample Input
4 5
2 2 2
1 3 3
1 2 2
2 3 2
2 3 3
Sample Output
0
0
1
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