This problem is to simulate "custom test" function in other Online Judges. The time limit for this problem is 30 seconds.

Input

No specified input. The judge input file is actually an empty file.

Output

Any output will be accepted. Click on "accepted" verdict to see the output of your program. The output limit for this problem is 1024KB. If your output exceeds 1024KB, only the first 1024KB will be displayed. Any output will receive 0 points as judge result.

Note

This is actually not a problem. This is a tool which allows you to run your program at SPOJ machines to see its performance (including output, running time, memory used, etc.)

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The list below contains the problems added to SPOJ classical section by Fudan University Problem Setters.

Old Contest Problems

Old Chinese National Olympiad in Informatics(CNOI) problems, from year 1997 - 2008, not all problem included: link. This section contains both medium and hard problems.

Old Internet Problem Solving Contest(IPSC) problems, from 1999 - 2009, not all problems included: link. Most of the problems in this section are easy and medium level.

Collected Old Chinese National Olympiad in Informatics in Province(NOIP) problems, or similar: link. Most of the problems in this section are easy.

Real-Time Contest Problems

[Medium - Hard] ACM/ICPC World Finals 2002 in Hawaii, one problem excluded: link

[Medium - Hard] ACM/ICPC Central European Regional Contest 2005 in Budapest: link

[Medium - Hard] ACM/ICPC Regional Contest, Hangzhou 2008: link

[Hard] ACM/ICPC Regional Contest, Shanghai 2009: link

[Hard] ACM/ICPC Regional Contest, Shanghai 2011 Preliminary Contest: link

[Hard] ACM/ICPC Regional Contest, Shanghai 2011, one problem excluded: link

[Medium - Hard] ACM/ICPC Regional Contest, Chengdu 2012, one problem excluded: link

[Easy - Medium] Fudan University Local Contest #1: link

[Easy - Medium] Fudan University Local Contest #2: link

[Medium] Fudan University Local Contest #3: link

[Easy] Fudan University Local Contest 2012: link

[Hard] ACM/ICPC World Finals 2016 in Bangkok, one problem excluded: link

Other Problems

Online Judge only problems, which means "it requires a lot of time and/or deep thinking to solve, not very suitable to be put in a real-time contest": link

Collected problems, which means "it's collected from various ICPC or similar programming contests, once be used as a real-time contest problem": link. However, most of the problems in this section are hard to solve in the contest.