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  1. Prepare
  2. Algorithms
  3. Implementation
  4. 3D Surface Area
  5. Discussions

3D Surface Area

  • alban_tyrex
     + 0 comments

    Here is my c++ implementation

    int surfaceArea(vector<vector<int>> A) {
    int result = 0;
    for(int i = 0; i < A.size(); i++){
        for(int j = 0; j < A[0].size(); j++){
            result += 4 * A[i][j] + 2;
            if(i > 0) result -= min(A[i][j], A[i-1][j]) * 2;
            if(j > 0) result -= min(A[i][j], A[i][j-1]) * 2;
        }
    }
    return result;
}