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Assume s$1,$s$2$ are two stacks and we write s$1=$s$2,$ if the class stack based on array

then selecet one :

a$.$ This statement is good to use when s$1$ has

hen s$1$ has a small number of item

b$.$ This statement is good to use when s$1$ has

hen s$1$ has a large number of item

c$.$ This statement is good to use when s$2$ has

hen s$1$ has a small number of item

d$.$ This statement is good to use when s$2$ has

hen s$1$ has a large number of item