Table 2 Types of variants among the source code patterns

1

Iterative equivalence

for

iteration

while

<initial>

do-while

<condition>

<incre/decre>

2

Conditional equivalence

if

selection

else

<condition>

else-if

?:

switch

3

Input equivalence

scanf

read <variable>

system.in

input.readline

4

Output equivalence

printf

write <variable>

system.out

5

Declaration equivalence

int

Multiple Declaration

char

to Single line declaration

float

double

Example

string

int x

int y

Example

int z

int x,y,z

char c

char c,s

char s

6

Braces

{ }

Braces are removed in the code