Computation of Program Source Code Similarity by Composition of Parse Tree and Call Graph

Table 1

Simple statistics on the real data set.

Information	Value
Number of total assignments	36
Number of submitted source codes	555
Average number of submitted codes per assignment	15.42
Minimum number of lines in source code	49
Maximum number of lines in source code	2,863
Average number of lines per source code	305.07
Minimum number of nodes in source code	12
Maximum number of nodes in source code	447
Average number of nodes in source code	64.29
Number of marked plagiarism pairs	175