array_addition_2d.tony

def main():
  int n, m
  int[][] A, B, C

  def int[][] read2DMatrix(int n, m):
    int i, j
    int[][] A
    A := new int[] [n]

    for i := 0; i < n; i := i + 1:
      A[i] := new int[m]
      for j := 0; j < m; j := j + 1:
        A[i][j] := geti()
      end
    end

    return A
  end

  def print2DMatrix(int[][] A; int n, m):
    int i, j

    for i := 0; i < n; i := i + 1:
      for j := 0; j < m; j := j + 1:
        puti(A[i][j])

        if j <> m-1: puts(" ")
        else: puts("\n") end
      end
    end
  end

  def int[][] add2DMatrices(int[][] A, B; int n, m):
    int i, j
    int[][] C

    C := new int[][n]
    for i := 0; i < n; i := i + 1:
      C[i] := new int[m]
      for j := 0; j < m; j := j + 1:
        C[i][j] := A[i][j] + B[i][j]
      end
    end
    return C
  end

  n := geti()
  m := geti()

  A := read2DMatrix(n, m)
  B := read2DMatrix(n, m)

  C := add2DMatrices(A, B, n, m)

  print2DMatrix(C, n, m)

end