July 01, 2004
Detecting Source-Code Plagiarism
(a)
if (x == 5)
{
// Loop on j here
for (j = 0; j < Index; j++)
printf("x = %i", j);
}
else
while (i < 5) i++;
(b)
CONDITIONAL_BEGIN LOOP_BEGIN DISPLAY LOOP_END CONDITIONAL_END CONDITIONAL_BEGIN LOOP_BEGIN ARITHMETIC LOOP_END CONDITIONAL_END
Figure 1: Token substitution. (a) Original program; (b) program structure profile.
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