Results for: 10035, PrimaryArithmetic
Main parameters
| Parameter | C | C++ | Pascal | Total |
| Number of submissions (AC, WA, or PE) | 3675 | 4452 | 556 | 8683 |
| Number of authors | 1024 | 1609 | 213 | 2846 |
| First submission correct | 448 | 751 | 78 | 1277 |
| Last submission correct | 905 | 1394 | 140 | 2439 |
| Average number of trials per author | 3.59 | 2.77 | 2.61 | 3.05 |
| Average number of trials per author (excluding submissions after a correct one) | 2.61 | 2.22 | 2.18 | 2.35 |
| Average number of trials to correct submission | 2.58 | 2.22 | 2.06 | 2.35 |
| Number of different equivalence classes | 671 | 749 | 141 | 1376 |
| Number of different score functions | 416 | 484 | 95 | 858 |
| Number of different equivalence classes in authors' first submissions | 309 | 372 | 74 | 662 |
| Number of different score functions in authors' first submissions | 188 | 231 | 52 | 401 |
Parameters of the C/C++ submissions
| Parameter | All, 1>pfd (N=2594) | Correct (N=1280) | 0.1>=pfd>0 (N=475) | 1>pfd>0.1 (N=839) | |||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
| FileSize | 897 | 532 | 925 | 571 | 812 | 355 | 902 | 550 | |
| LOC | 43.7 | 24 | 44.3 | 22.4 | 40.8 | 17.5 | 44.5 | 29 | |
| #Comment lines | 1.94 | 4.5 | 2.04 | 5.33 | 1.65 | 3.99 | 1.94 | 3.19 | |
| Halstead, Volume | 1330 | 790 | 1360 | 814 | 1190 | 575 | 1350 | 848 | |
| McCabe, CC | 12 | 4.92 | 12.3 | 4.67 | 11.2 | 4 | 12 | 5.68 | |
Correlations between parameters of correct C/C++ submissions
| # Comment | Halstead | McCabe | |||||||
| Filesize | LOC | lines | Volume | CC | |||||
| FileSize | 1 | 0.836 | 0.65 | 0.839 | 0.729 | ||||
| LOC | 0.836 | 1 | 0.385 | 0.891 | 0.838 | ||||
| #Comment lines | 0.65 | 0.385 | 1 | 0.37 | 0.303 | ||||
| Halstead, Volume | 0.839 | 0.891 | 0.37 | 1 | 0.848 | ||||
| McCabe, CC | 0.729 | 0.838 | 0.303 | 0.848 | 1 | ||||
Correlations between parameters and pfd/defects of C/C++ submissions
| # Comment | Halstead | McCabe | |||||||
| Filesize | LOC | lines | Volume | CC | |||||
| PFD | 0.00762 | 0.0148 | 0.0231 | 0.0152 | -0.0166 | ||||
| Defects | -0.0544 | -0.0527 | -0.00994 | -0.0526 | -0.074 | ||||
Effect of diversity
 | Average reliability improvement for 0.001<=pfd<=0.01: 16.8 |
Effect of Language diversity
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): C/C: 16.3 C/C++: 16.9 C/Pascal: 20.6 |
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): C++/C: 16.9 C++/C++: 17.1 C++/Pascal: 21.3 |
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): Pascal/C: 20.6 Pascal/C++: 21.3 Pascal/Pascal: 24 |
Page automatically generated on Mon Jan 22 13:12:38 2007