JOIN
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   Problem Detail  
Problem Name: UndoHistory
Used In: SRM 579
Used As: Division I Level One , Division II Level Two
Categories: Greedy, Simple Search, Iteration
Writer: vexorian
Testers: misof , ivan_metelsky , rng_58
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Division I Division II
Point Value 250 550
Competitors 803 1094
Opens 800 1034
Percent Open 99.63% 94.52%
Percent Submitted 93.62% 39.36%
Overall Accuracy 64.26% 14.81%

Division I
Java C++ C# VB Python Overall
Problems Submitted 137 596 15 1 0 749
Problems Correct 99 407 10 0 0 516
Submission Accuracy 72.26% 68.29% 66.67% 0.00% 0.00 68.89%
Problems Failed by Challenge 25 126 2 1 0 154
Problems Failed by System Test 13 63 3 0 0 79
Challenge Attempts Made 49 206 2 1 0 258
Challenge Accuracy 51.02% 61.17% 100.00% 100.00% 0.00 59.69%
Best Time 0:04:22.97 0:05:15.492 0:07:30.645 0:04:22.97
Fastest UdH-WiNGeR bmerry K_operafan UdH-WiNGeR
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Average Correct Time 0:23:13.492 0:24:25.573 0:20:59.710 0:00:00.0 0:24:07.754

Division II
Java C++ C# VB Python Overall
Problems Submitted 133 260 14 0 0 407
Problems Correct 42 112 8 0 0 162
Submission Accuracy 31.58% 43.08% 57.14% 0.00 0.00 39.80%
Problems Failed by Challenge 35 39 2 0 0 76
Problems Failed by System Test 56 109 4 0 0 169
Challenge Attempts Made 94 122 6 0 0 222
Challenge Accuracy 37.23% 31.97% 33.33% 0.00 0.00 34.23%
Best Time 0:14:41.291 0:03:45.721 0:17:20.632 0:03:45.721
High Scorer rogerfgm ac_lap fremeal ac_lap
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Average Correct Time 0:41:35.371 0:42:31.832 0:40:15.139 0:42:10.444