Results for: 00160, FactorsAndFactorials
Main parameters
| Parameter | C | C++ | Pascal | Total |
| Number of submissions (AC, WA, or PE) | 2443 | 3722 | 939 | 7104 |
| Number of authors | 1091 | 1605 | 416 | 3112 |
| First submission correct | 682 | 908 | 229 | 1819 |
| Last submission correct | 913 | 1231 | 306 | 2450 |
| Average number of trials per author | 2.24 | 2.32 | 2.26 | 2.28 |
| Average number of trials per author (excluding submissions after a correct one) | 1.61 | 1.69 | 1.66 | 1.66 |
| Average number of trials to correct submission | 1.54 | 1.57 | 1.54 | 1.55 |
| Number of different equivalence classes | 370 | 654 | 189 | 1054 |
| Number of different score functions | 53 | 64 | 34 | 95 |
| Number of different equivalence classes in authors' first submissions | 207 | 334 | 105 | 553 |
| Number of different score functions in authors' first submissions | 35 | 42 | 25 | 66 |
Parameters of the C/C++ submissions
| Parameter | All, 1>pfd (N=2374) | Correct (N=1800) | 0.1>=pfd>0 (N=106) | 1>pfd>0.1 (N=468) | |||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
| FileSize | 1220 | 1780 | 1260 | 1980 | 1200 | 984 | 1070 | 897 | |
| LOC | 59.5 | 94 | 61.4 | 107 | 57.4 | 28.2 | 52.9 | 27.7 | |
| #Comment lines | 2.41 | 4.26 | 2.46 | 4.36 | 2.05 | 2.73 | 2.31 | 4.15 | |
| Halstead, Volume | 2380 | 7020 | 2460 | 7750 | 2760 | 5730 | 1990 | 3370 | |
| McCabe, CC | 15.1 | 8.17 | 15.2 | 7.42 | 14.6 | 7.21 | 14.7 | 10.7 | |
Correlations between parameters of correct C/C++ submissions
| # Comment | Halstead | McCabe | |||||||
| Filesize | LOC | lines | Volume | CC | |||||
| FileSize | 1 | 0.882 | 0.161 | 0.939 | 0.136 | ||||
| LOC | 0.882 | 1 | 0.0501 | 0.875 | 0.0925 | ||||
| #Comment lines | 0.161 | 0.0501 | 1 | 0.0708 | 0.0658 | ||||
| Halstead, Volume | 0.939 | 0.875 | 0.0708 | 1 | -0.0149 | ||||
| McCabe, CC | 0.136 | 0.0925 | 0.0658 | -0.0149 | 1 | ||||
Correlations between parameters and pfd/defects of C/C++ submissions
| # Comment | Halstead | McCabe | |||||||
| Filesize | LOC | lines | Volume | CC | |||||
| PFD | -0.0386 | -0.0305 | -0.00333 | -0.0228 | -0.0176 | ||||
| Defects | -0.0212 | -0.0259 | -0.0144 | -0.01 | -0.00606 | ||||
Effect of diversity
 | Average reliability improvement for 0.001<=pfd<=0.01: 40.3 |
Effect of Language diversity
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): C/C: 36.1 C/C++: 38.8 C/Pascal: 46 |
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): C++/C: 38.8 C++/C++: 40.6 C++/Pascal: 48.3 |
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): Pascal/C: 46 Pascal/C++: 48.3 Pascal/Pascal: 51 |
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