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how to start to build tree
its heap but how to build a correct tree
A =10, E=15 , I=12 , S=3 , T=4, P=13, N=1
The Huffman coding says that
1)Choose 2 minimum values, add them and put in parent node of both.
2) Place smaller values at left.
first the set is given above, we choose 2 smallest values ie 1 and 3 , add them and put in parent. So parent 4, left N and right S.
Put this 4 again in the set and now again choose 2 minimum from set which result in minimum sum at next parent. Now these are 4 and 4. You can arrange in any order in similar weight case.
Next case will be 8 and 10 so you have to put 8 at left and 10 at right.
Your 1st tree is correct except 10 will be at right to 8.
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