Results for: 10453, MakePalindrome
Main parameters
| Parameter | C | C++ | Pascal | Total |
| Number of submissions (AC, WA, or PE) | 135 | 368 | 63 | 566 |
| Number of authors | 32 | 146 | 28 | 206 |
| First submission correct | 11 | 52 | 7 | 70 |
| Last submission correct | 17 | 62 | 10 | 89 |
| Average number of trials per author | 4.22 | 2.52 | 2.25 | 2.75 |
| Average number of trials per author (excluding submissions after a correct one) | 2.85 | 2.34 | 1.93 | 2.37 |
| Average number of trials to correct submission | 2.06 | 1.29 | 2 | 1.52 |
| Number of different equivalence classes | 32 | 112 | 21 | 145 |
| Number of different score functions | 29 | 87 | 15 | 111 |
| Number of different equivalence classes in authors' first submissions | 17 | 62 | 16 | 81 |
| Number of different score functions in authors' first submissions | 16 | 53 | 12 | 66 |
Parameters of the C/C++ submissions
| Parameter | All, 1>pfd (N=175) | Correct (N=65) | 0.1>=pfd>0 (N=NA) | 1>pfd>0.1 (N=110) | |||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
| FileSize | 1550 | 780 | 1440 | 408 | NA | NA | 1610 | 929 | |
| LOC | 73.5 | 25.5 | 69.6 | 18.7 | NA | NA | 75.8 | 28.6 | |
| #Comment lines | 3.97 | 8.12 | 2.03 | 3.15 | NA | NA | 5.12 | 9.79 | |
| Halstead, Volume | 2990 | 1150 | 2760 | 579 | NA | NA | 3120 | 1360 | |
| McCabe, CC | 18.6 | 5.3 | 17.7 | 3.4 | NA | NA | 19.2 | 6.1 | |
Correlations between parameters of correct C/C++ submissions
| # Comment | Halstead | McCabe | |||||||
| Filesize | LOC | lines | Volume | CC | |||||
| FileSize | 1 | 0.63 | 0.385 | 0.685 | 0.53 | ||||
| LOC | 0.63 | 1 | 0.0293 | 0.746 | 0.775 | ||||
| #Comment lines | 0.385 | 0.0293 | 1 | 0.177 | 0.105 | ||||
| Halstead, Volume | 0.685 | 0.746 | 0.177 | 1 | 0.724 | ||||
| McCabe, CC | 0.53 | 0.775 | 0.105 | 0.724 | 1 | ||||
Correlations between parameters and pfd/defects of C/C++ submissions
| # Comment | Halstead | McCabe | |||||||
| Filesize | LOC | lines | Volume | CC | |||||
| PFD | 0.00319 | 0.0246 | 0.0053 | 0.0403 | 0.0614 | ||||
| Defects | 0.025 | 0.00012 | 0.0288 | 0.0848 | 0.0974 | ||||
Effect of diversity
 | Average reliability improvement for 0.001<=pfd<=0.01: 64.2 |
Effect of Language diversity
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): C/C: NA C/C++: NA C/Pascal: NA |
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): C++/C: NA C++/C++: NA C++/Pascal: NA |
 | Average reliability improvement for 0.001<=pfd<=0.01 (in the range where all exist): Pascal/C: NA Pascal/C++: NA Pascal/Pascal: NA |
Page automatically generated on Mon Jan 22 15:54:44 2007