const rect = [ [11, 1, 8], [7, 5, 10], [2, 9, 4], [3, 6, 12], ]
- 行の合計を一番右に追加
- 列の合計を一番下に追加 した配列を生成してください。
出力結果
[ [ 11, 1, 8, 20 ], [ 7, 5, 10, 22 ], [ 2, 9, 4, 15 ], [ 3, 6, 12, 21 ], [ 23, 21, 34, 78 ] ]
const rect = [ [11, 1, 8], [7, 5, 10], [2, 9, 4], [3, 6, 12], ]
出力結果
[ [ 11, 1, 8, 20 ], [ 7, 5, 10, 22 ], [ 2, 9, 4, 15 ], [ 3, 6, 12, 21 ], [ 23, 21, 34, 78 ] ]