Function left

matrix/zero-matrix.js:104–109

(row, col, matrix)

}

function left(row, col, matrix) {
  if (col <= 0) return;
  for (let i = col; i >= 0; i--) {
    matrix[row][i] = 0;
  }
}

const matrix = [
  [0, 2, 3, 4],