function wordInMatrix(matrix: string[][], word: string): boolean {
  
  let wordtest: string = ""

  for (let i: number = 0; i < matrix.length; i++) {
    wordtest = ""
    for (let j: number = 0; j < matrix[i].length; j++) {
      wordtest += matrix[i][j]
    }
    if (wordtest === word) return true
  }

  for (let i: number = 0; i < matrix.length; i++) {
    wordtest = ""
    for (let j: number = 0; j < matrix[i].length; j++) {
      wordtest += matrix[j][i]
    }
    if (wordtest === word) return true
  }

  return false;
}

// No modificar: necesario para evaluar el resultado.
export { wordInMatrix };