I have build tree from in and post order treaversing but getting segmentation fault please help

#1
#2

2 changes you have to do

  1. if(s==e)
    {i–;return root;}
    decrese i when you are at leaf node

  2. correct the index for left and right part
    correct one

     root->right=build(in,post,ind+1,e);
 root->left=build(in,post,s,ind-1);

modified code

i hope this help
if you have more doubts regarding feel free to ask
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#3

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