
Latest News
20231122 
The hidden testcases of Problem C are
updated. 
20231113 
The hidden testcases of Problem C are
updated. 
20231110 
The hidden testcases of Problem B are
updated. 
20230828 
The Q&A of Problem C is updated. 
20230822 
The Q&A of Problem B is updated. 
20230821 
The testcase of Problem B is updated. 
20230818 
The Q&A of Problem B is updated. 

The Q&A of Problem C is updated. 
20230816 
The testcases of
Problem B are updated. 
20230810 
The final
submission deadline is extended to Sep 04,
2023 17:00:00 (GMT+8). 

The Q&A of
Problem A is updated. 
20230807 
The Q&A of
Problem B is updated. 

The Q&A of
Problem B is updated. 
20230727 
The Q&A of
Problem A is updated. 

The Q&A of
Problem B is updated. 
20230726 
The Q&A of
Problem A is updated. 
20230720 
The testcases of
Problem B are updated. 

The Q&A of
Problem B is updated. 
20230718 
The Q&A of
Problem A is updated. 
20230710 
The beta test
submission deadline is extended to Jul 30,
2023 17:00:00 (GMT+8). 

The Q&A of
Problem C is updated. 

The testcase of
Problem B is updated. 
20230629 
The Q&A of
Problem A is updated. 
20230628 
The Q&A of
Problem B is updated. 
20230623 
The document of
Problem C is updated. 

The testcases of
Problem C are updated. 
20230619 
The Q&A of
Problem A is updated. 
20230616 
The testcase of
Problem B is updated. 

The Q&A of
Problem C is updated. 
20230615 
The document of
Problem C is updated. 

The testcases of
Problem C are updated. 
20230614 
The testcases of
Problem A are updated. 

The Q&A of
Problem B is updated. 
20230612 
The testcase of
Problem B is updated. 

The Q&A of
Problem B is updated. 
20230603 
The document of
Problem C is updated. 

The testcases of
Problem C are updated. 
20230602 
The Q&A of
Problem B is updated. 
20230529 
The Q&A of
Problem C is updated. 
20230526 
The testcases of
Problem A are updated. 

The Q&A of
Problem A is updated. 
20230522 
The testcases of
Problem B are updated. 

The Q&A of
Problem B is updated. 
20230518 
The testcases of
Problem B are updated. 
20230517 
The Q&A of
Problem B is updated. 
20230516 
The Q&A of
Problem B is updated. 
20230515 
The Q&A of
Problem C is updated. 
20230512 
The testcases of
Problem B are updated. 
20230510 
Registration deadline
is extended to May 15, 2023 17:00:00 (GMT+8). 
20230508 
The Q&A of
Problem B is updated. 
20230428 
The Q&A of
Problem B is updated.

20230424 
The Q&A of
Problem C is updated.

20230418 
The evaluator of
Problem B is updated.

20230417 
The register
system is opened.


The Q&A of
Problem B is updated.

20230413 
The document of
Problem A is updated.


The Q&A of
Problem A is updated.

20230412 
The Q&A of
Problem A is updated.


The Q&A of
Problem B is updated.


The Q&A of
Problem C is updated.

20230407 
The testcase of
Problem B is updated.


The evaluator of
Problem B is updated.

20230331 
The opensource
bonus of
Problem C is updated.

20230328 
The Q&A of
Problem B is updated.


The Q&A of
Problem A is updated.

20230327 
The document of
Problem C is uploaded.

20230316 
The Q&A of
Problem B is updated.

20230307 
ICCAD2023 CAD
Contest will formally start on Mar. 07.


Contest problems
are announced.



