AUTOMATIC SOLUTION MODIFICATIONS FOR TESTING SOLUTION CHECKERS
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The article deals with the method for testing solution checkers used in programming contests by making automatic modifications to solution source code. Successful application of the method to regional ACM ICPC NEERC 2011 and Russian Code Cup 2011 contests is described. Real bugs in solution checkers which were to be used for testing participants’ solutions but were found by the method and fixed before actual events are shown.