Results for: 00100, 3n+1
Main parameters
| Parameter | C | C++ | Pascal | Total |
| Number of submissions (AC, WA, or PE) | 16844 | 17521 | 4337 | 38702 |
| Number of authors | 5897 | 6097 | 1581 | 13575 |
| First submission correct | 2479 | 2434 | 593 | 5506 |
| Last submission correct | 5140 | 5082 | 1088 | 11310 |
| Average number of trials per author | 2.86 | 2.87 | 2.74 | 2.85 |
| Average number of trials per author (excluding submissions after a correct one) | 2.66 | 2.68 | 2.58 | 2.66 |
| Average number of trials to correct submission | 2.65 | 2.66 | 2.53 | 2.65 |
| Number of different equivalence classes | 1003 | 1079 | 384 | 1991 |
| Number of different score functions | 276 | 322 | 112 | 506 |
| Number of different equivalence classes in authors' first submissions | 527 | 527 | 198 | 1012 |
| Number of different score functions in authors' first submissions | 152 | 160 | 58 | 258 |
Parameters of the C/C++ submissions
| Parameter | All, 1>pfd (N=11519) | Correct (N=5368) | 0.1>=pfd>0 (N=250) | 1>pfd>0.1 (N=5901) | |||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
| FileSize | 738 | 1380 | 757 | 1090 | 725 | 352 | 722 | 1620 | |
| LOC | 36.9 | 37.3 | 39.6 | 49.1 | 40.4 | 12.9 | 34.3 | 22.3 | |
| #Comment lines | 2.52 | 11.4 | 2.89 | 14.5 | 1.97 | 4.91 | 2.2 | 7.92 | |
| Halstead, Volume | 1100 | 5580 | 1050 | 3960 | 1010 | 375 | 1150 | 6820 | |
| McCabe, CC | 9.47 | 3.2 | 10.1 | 3.25 | 11.1 | 3.91 | 8.85 | 2.98 | |
Correlations between parameters of correct C/C++ submissions
| # Comment | Halstead | McCabe | |||||||
| Filesize | LOC | lines | Volume | CC | |||||
| FileSize | 1 | 0.736 | 0.515 | 0.822 | 0.383 | ||||
| LOC | 0.736 | 1 | 0.0409 | 0.894 | 0.32 | ||||
| #Comment lines | 0.515 | 0.0409 | 1 | 0.0424 | 0.0808 | ||||
| Halstead, Volume | 0.822 | 0.894 | 0.0424 | 1 | 0.252 | ||||
| McCabe, CC | 0.383 | 0.32 | 0.0808 | 0.252 | 1 | ||||
Correlations between parameters and pfd/defects of C/C++ submissions
| # Comment | Halstead | McCabe | |||||||
| Filesize | LOC | lines | Volume | CC | |||||
| PFD | -0.0159 | -0.0744 | -0.065 | 0.00746 | -0.208 | ||||
| Defects | -0.014 | -0.0492 | -0.0501 | 0.00299 | -0.121 | ||||
Effect of diversity
 | Average reliability improvement for 0.001<=pfd<=0.01: 87.6 |
Effect of Language diversity
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): C/C: 78.4 C/C++: 87.5 C/Pascal: 165 |
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): C++/C: 87.5 C++/C++: 89.1 C++/Pascal: 186 |
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): Pascal/C: 165 Pascal/C++: 186 Pascal/Pascal: 144 |
Outliers
The following programs have been excluded for analysis in the sections on parameters of C/C++ submissions, because they consist of a large lookup table: 1222707, 1223123, 1223215.Page automatically generated on Mon Jan 22 11:23:14 2007