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#1
#2

there are 2 issues:

  1. if(in[j]==pre[j])
    {
    index=j;
    break;
    …

it should be in[j]==pre[i]

  1. the call to createTreefromTrav(in,pre,0,n);
    as end point is inclusive, you should pass n-1 , NOT n.

corrected code: https://ide.codingblocks.com/s/215058

please rate and resolve if satisfied.
thanks

#3

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