Replace Pi Recursion

#1

why is it necessary to take a[j+2]=a[j] ?
can’t we take a[j+3]=a[j]
or a[j+4]=a[j]?? and then j–

#2

hi @Ambuj-Singh-514796906079795 this is being done to make space in the array.
pi is taking 2 places
3.14 needs 4 places
so we need 2 extra places in the array
so we shift all the characters to the right by 2 places

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#3

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