07. Magic Matrices

function solve(matrix) {
  for (let i = 0; i < matrix.length - 1; i++) {
    const sumRowOne = matrix[i].reduce((a, b) => a + b, 0);
    const sumRowTwo = matrix[i + 1].reduce((a, b) => a + b, 0);
    let sumCollOne = 0;
    let sumCollTwo = 0;

    for (let j = 0; j < matrix.length; j++) {
      sumCollOne += matrix[i][j];
      sumCollTwo += matrix[i + 1][j];
    }

    if (sumRowOne !== sumRowTwo || sumCollOne !== sumCollTwo) {
      return false;
    }
  }

  return true;
}