Results for: 10183, Fibs
Main parameters
| Parameter | C | C++ | Pascal | Total |
| Number of submissions (AC, WA, or PE) | 421 | 1003 | 130 | 1554 |
| Number of authors | 155 | 416 | 56 | 627 |
| First submission correct | 84 | 231 | 33 | 348 |
| Last submission correct | 140 | 370 | 43 | 553 |
| Average number of trials per author | 2.72 | 2.41 | 2.32 | 2.48 |
| Average number of trials per author (excluding submissions after a correct one) | 2.07 | 1.95 | 1.88 | 1.98 |
| Average number of trials to correct submission | 2.03 | 1.89 | 1.6 | 1.9 |
| Number of different equivalence classes | 81 | 156 | 33 | 232 |
| Number of different score functions | 61 | 101 | 27 | 153 |
| Number of different equivalence classes in authors' first submissions | 42 | 83 | 19 | 121 |
| Number of different score functions in authors' first submissions | 30 | 53 | 15 | 76 |
Parameters of the C/C++ submissions
| Parameter | All, 1>pfd (N=563) | Correct (N=356) | 0.1>=pfd>0 (N=138) | 1>pfd>0.1 (N=69) | |||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
| FileSize | 3270 | 5050 | 3120 | 4680 | 3940 | 6010 | 2680 | 4750 | |
| LOC | 128 | 132 | 127 | 125 | 144 | 166 | 105 | 85.2 | |
| #Comment lines | 7.17 | 18 | 6.68 | 17.3 | 9.58 | 22.2 | 4.86 | 10.1 | |
| Halstead, Volume | 5190 | 5900 | 5110 | 5540 | 5680 | 6870 | 4640 | 5580 | |
| McCabe, CC | 29.4 | 30.4 | 29.7 | 32.9 | 31.1 | 29.3 | 24.4 | 15.7 | |
Correlations between parameters of correct C/C++ submissions
| # Comment | Halstead | McCabe | |||||||
| Filesize | LOC | lines | Volume | CC | |||||
| FileSize | 1 | 0.885 | 0.469 | 0.75 | 0.676 | ||||
| LOC | 0.885 | 1 | 0.575 | 0.927 | 0.672 | ||||
| #Comment lines | 0.469 | 0.575 | 1 | 0.622 | 0.407 | ||||
| Halstead, Volume | 0.75 | 0.927 | 0.622 | 1 | 0.728 | ||||
| McCabe, CC | 0.676 | 0.672 | 0.407 | 0.728 | 1 | ||||
Correlations between parameters and pfd/defects of C/C++ submissions
| # Comment | Halstead | McCabe | |||||||
| Filesize | LOC | lines | Volume | CC | |||||
| PFD | -0.0506 | -0.0724 | -0.0471 | -0.051 | -0.0719 | ||||
| Defects | 0.0638 | 0.0527 | 0.0616 | 0.051 | 0.0172 | ||||
Effect of diversity
 | Average reliability improvement for 0.001<=pfd<=0.01: 22.7 |
Effect of Language diversity
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): C/C: 19.8 C/C++: 22.7 C/Pascal: 25 |
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): C++/C: 22.7 C++/C++: 23.6 C++/Pascal: 29.9 |
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): Pascal/C: 25 Pascal/C++: 29.8 Pascal/Pascal: 26 |
Page automatically generated on Mon Jan 22 13:39:43 2007