Cybertree

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Let $A$ be an array of $N$ elements and let us define beauty of array as (consider 1 based indexing) ``` long long int beauty(int N, int A[]){ long long int val = 0; for(int i = 1; i < N; i++){ for(int j = i + 1; j <= N; j++){ if(a[i] < a[j]){val++;} else{val--;} } } return val; } ``` Let $G$ be a tree with

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solution.cppC++17

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