20201104

The Q&A of Problem A is updated. 
20201026

Winner announced.

20200929

The hidden cases of Problem B is uploaded. 
20200928

The Q&A of Problem C is updated. 
20200925

The Q&A of Problem C is updated.
The hidden benchmark of Problem C is uploaded.
The Top X Teams of each problem are announced.

20200915

The cases_final_renamed_extract of Problem A is uploaded. 
20200914

The Q&A of Problem C is updated. 
20200909

The Q&A of Problem C is updated. 
20200908

The Q&A of Problem C is updated. 
20200907

Announcement of Final submission of Problem C. 
20200904

The Q&A of Problem C is updated. 
20200903

Prefinal result announcement of Problem C. 
20200831

The Q&A of Problem C is updated. 
20200828

The Q&A of Problem C is updated. 
20200827

The benchmarks ,Q&A of Problem C are updated. 
20200826

The Q&A of Problem C is updated.

20200825

The Q&A of Problem C is updated. 
20200824

The Q&A of Problem A,B,C are updated. 
20200820

The Q&A of Problem B,C are updated. 
20200819

The Q&A of Problem C is updated. 
20200818

If you cannot connect to TSRI machine by using OpenVPN.
You can use other VPNs to connect to TSRI machine. Please click here to view the operation method.
The Q&A of Problem A,C are updated. 
20200817

The Q&A of Problem B is updated. 
20200813

Announcement of Prefinal submission of Problem C. 
20200812

The Q&A of Problem A is updated.
Announcement of Final submission. Final submission deadline is extended to August 26, 2020 (23:00, GMT+8). 
20200811

The Q&A and problem specification of Problem C are updated. *The update part is
highlighted with green. 
20200807

The Q&A of Problem B,C are updated. 
20200805

The notice of Problem A.

20200804

Beta test result announcement of Problem C.
The Q&A of Problem A is updated.
Beta test result announcement of Problem A. 
20200803

The Q&A of Problem C is updated.
Beta test result announcement of Problem B.
The case6 of Problem B is updated.

20200728

OpenVPN system maintenance notice. The maintenance period is August 1 (00: 0024: 00, GMT + 8).
You can use another VPN to connect to TSRI machine.Please click here to view the operation method. 
20200727

The Q&A of Problem B is updated. 
20200724

The Q&A of Problem C is updated. 
20200723

The Q&A of Problem C is updated. 
20200722

The Q&A of Problem C is updated. 
20200721

The Q&A of Problem A,B,C are updated. 
20200720

The Q&A of Problem C is updated. 
20200715

The Q&A of Problem C is updated. 
20200713

TSRI machine system maintenance notice. The maintenance period is July 18 (00: 0024: 00, GMT + 8). 
20200710

The Q&A of Problem C is updated. 
20200709

The Q&A of Problem A,C are updated. 
20200708

The Q&A of Problem C is updated. 
20200707

The Q&A of Problem A,C are updated. 
20200706

Announcement of Beta test submission.
The Q&A of Problem B,C are updated.
The problem description of Problem B is updated. *The update part is highlighted with pink.

20200701

The cases_beta of Problem A is updated. 
20200630

The Q&A of Problem A,C are updated.
Alpha test result announcement of Problem B.
The case4,case5 of Problem B are updated. 
20200629

Alpha test result announcement of Problem A.
The case3 of Problem B is updated. 
20200624

The Q&A and case3 of Problem B are updated. 
20200622

The Q&A of Problem A,C are updated. 
20200620

The server of Problem C is open for Beta test submission.*Deadline is July 22, 2020 (23:00, GMT+8)
Beta test submission deadline is extended to July 22, 2020 (23:00, GMT+8). Alpha test result announcement of Problem C.

20200618

The glibc version is upgraded to 2.17 on TSRI machine.
The problem description of Problem A is updated. *The
update part is highlighted with cyan. 
20200616

*【Reminder】The submitted binary file should be named with "cell_move_router" for Problem B submission.
The Q&A and problem description of Problem B is updated. *The
update part is highlighted with cyan. 
20200612

The Q&A of Problem A is updated. 
20200611

The Q&A of Problem B,C are updated. 
20200604

The Q&A of Problem C is updated. 
20200602

The evaluator and Q&A of Problem B are updated. 
20200601

The Q&A of Problem C is updated.
Problem
C is updated. *The �evaluation� section updated , it contain
instructions on how the contestants should format their code.

20200528

TSRI machine system maintenance notice. The maintenance period is May 28 (00: 0024: 00, GMT + 8).
The Q&A of Problem B is updated. 
20200525

Announcement of Alpha test submission.
The cases of Problem B is updated. 
20200516

The Q&A of Problem B is updated. 
20200515

The cases and Q&A of Problem A is updated. 
20200512

The Q&A of Problem C is updated. 
20200511

The Q&A of Problem B is updated. 
20200504

Registration deadline is extended to May 15, 2020 (23:00, GMT+8). 
20200430

The Q&A of Problem A is updated. 
20200428

The Q&A of Problem C is updated. 
20200423

The Q&A of Problem A is updated. 
20200422

The Q&A of Problem A is updated. 
20200421

The Q&A of Problem B is updated. 
20200420

The cases and Q&A of Problem A is updated.
The evaluator and Q&A of Problem B is updated.

20200417

The Q&A of Problem B is updated. 
20200415

The Q&A of Problem A is updated. 
20200414

The cases2 and Q&A of Problem A is updated. 
20200413

The cases2 and Q&A of Problem A is updated. 
20200407

The Q&A of Problem C is updated. 
20200331

The Q&A of Problem B is updated. 
20200330

The cases and Q&A of Problem B is updated. 
20200327

The Q&A of Problem A is updated. 
20200326

The Q&A of Problem A, B, C is updated. 
20200319

The Q&A of Problem B is updated. 
20200319

The Q&A of Problem A is updated. 
20200318

The Q&A of Problem A is updated. 
20200312

The cases3 and Q&A of Problem B is updated. 
20200311

The Benchmark dataset of Problem C is updated. 
20200310

The Q&A is updated. 
20200305

The evaluator of Problem B is updated. 
20200229

The cases3 of Problem B is updated.

20200229

The Benchmark dataset and Benchmark datasetGoogle Docs access of Problem C is updated.

20200225

Problem C is updated.

20200224

The cases and example_output_for_case1 of Problem B is updated.

20200201

Contest problems are
announced, and registration starts.

20200110

ICCAD2020
CAD Contest will formally start on
Feb. 1.
