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   Problem Detail  
Problem Name: TwoStringMasks
Used In: SRM 392
Used As: Division I Level One , Division II Level Two
Categories: String Manipulation
Writer: darnley
Testers: PabloGilberto , Olexiy , ivan_metelsky , ged
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Division I Division II
Point Value 250 500
Competitors 616 785
Opens 613 756
Percent Open 99.51% 96.31%
Percent Submitted 84.50% 26.46%
Overall Accuracy 45.29% 4.59%

Division I
Java C++ C# VB Python Overall
Problems Submitted 81 411 26 0 0 518
Problems Correct 41 224 14 0 0 279
Submission Accuracy 50.62% 54.50% 53.85% 0.00 0.00 53.86%
Problems Failed by Challenge 11 37 5 0 0 53
Problems Failed by System Test 29 150 7 0 0 186
Challenge Attempts Made 36 111 10 0 0 157
Challenge Accuracy 30.56% 33.33% 50.00% 0.00 0.00 33.76%
Best Time 0:09:28.928 0:06:56.290 0:03:32.120 0:03:32.120
Fastest Im2Good Hamed Petr Petr
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Average Correct Time 0:30:46.332 0:28:38.455 0:24:10.209 0:28:43.786

Division II
Java C++ C# VB Python Overall
Problems Submitted 48 138 12 2 0 200
Problems Correct 10 25 1 0 0 36
Submission Accuracy 20.83% 18.12% 8.33% 0.00% 0.00 18.00%
Problems Failed by Challenge 23 58 5 0 0 86
Problems Failed by System Test 15 55 6 2 0 78
Challenge Attempts Made 74 214 20 3 0 311
Challenge Accuracy 31.08% 27.10% 25.00% 0.00% 0.00 27.65%
Best Time 0:20:39.825 0:08:25.54 0:50:12.192 0:08:25.54
High Scorer Elinow WeiYi root85 WeiYi
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Average Correct Time 0:37:21.694 0:40:18.394 0:50:12.192 0:00:00.0 0:39:45.805