Results for: 00106, Fermat
Main parameters
| Parameter | C | C++ | Pascal | Total |
| Number of submissions (AC, WA, or PE) | 2440 | 1879 | 339 | 4658 |
| Number of authors | 378 | 791 | 179 | 1348 |
| First submission correct | 162 | 398 | 40 | 600 |
| Last submission correct | 216 | 524 | 52 | 792 |
| Average number of trials per author | 6.46 | 2.38 | 1.89 | 3.46 |
| Average number of trials per author (excluding submissions after a correct one) | 3.23 | 1.63 | 1.73 | 2.09 |
| Average number of trials to correct submission | 1.75 | 1.5 | 1.37 | 1.56 |
| Number of different equivalence classes | 254 | 254 | 77 | 538 |
| Number of different score functions | 113 | 103 | 51 | 228 |
| Number of different equivalence classes in authors' first submissions | 107 | 150 | 44 | 269 |
| Number of different score functions in authors' first submissions | 51 | 64 | 25 | 113 |
Parameters of the C/C++ submissions
| Parameter | All, 1>pfd (N=990) | Correct (N=610) | 0.1>=pfd>0 (N=202) | 1>pfd>0.1 (N=178) | |||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
| FileSize | 1370 | 951 | 1310 | 772 | 1460 | 872 | 1450 | 1450 | |
| LOC | 63.8 | 39.5 | 62.2 | 29.2 | 67 | 27.8 | 66.1 | 69.8 | |
| #Comment lines | 4.37 | 8.74 | 4.03 | 6.91 | 5.46 | 12.4 | 4.33 | 9.28 | |
| Halstead, Volume | 2430 | 2900 | 2240 | 1170 | 2460 | 1160 | 3070 | 6340 | |
| McCabe, CC | 16.2 | 6.95 | 15.4 | 5.21 | 17.4 | 7.38 | 17.4 | 10.5 | |
Correlations between parameters of correct C/C++ submissions
| # Comment | Halstead | McCabe | |||||||
| Filesize | LOC | lines | Volume | CC | |||||
| FileSize | 1 | 0.841 | 0.635 | 0.864 | 0.65 | ||||
| LOC | 0.841 | 1 | 0.431 | 0.832 | 0.715 | ||||
| #Comment lines | 0.635 | 0.431 | 1 | 0.406 | 0.318 | ||||
| Halstead, Volume | 0.864 | 0.832 | 0.406 | 1 | 0.685 | ||||
| McCabe, CC | 0.65 | 0.715 | 0.318 | 0.685 | 1 | ||||
Correlations between parameters and pfd/defects of C/C++ submissions
| # Comment | Halstead | McCabe | |||||||
| Filesize | LOC | lines | Volume | CC | |||||
| PFD | 0.0415 | 0.0246 | -0.047 | 0.107 | 0.0815 | ||||
| Defects | 0.0788 | 0.0783 | -0.0161 | 0.0874 | 0.131 | ||||
Effect of diversity
 | Average reliability improvement for 0.001<=pfd<=0.01: 94.7 |
Effect of Language diversity
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): C/C: 98.2 C/C++: 108 C/Pascal: 97.3 |
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): C++/C: 108 C++/C++: 110 C++/Pascal: 105 |
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): Pascal/C: 97.2 Pascal/C++: 105 Pascal/Pascal: 44.2 |
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