pervognsen

// Estimating CPU frequency...
// CPU frequency: 4.52 GHz
// sum1: value = 15182118497126522709, 0.31 secs, 5.14 cycles/elem
// sum2: value = 15182118497126522709, 0.17 secs, 2.93 cycles/elem

#define RW(x) asm("" : "+r"(x))

typedef struct Node {
	u64 value;
	struct Node *next;

josue

Install Required libraries:

sudo apt-get update && sudo apt-get install imagemagick gs

create directory to test commands

mkdir -p pdf_conversion/{merged,split}
cd pdf_conversion

bbotelho3

# The first approach that I found was to convert using a virtual device using Ghostscript.
# The virtual device, pdfwrite, supports parameters to convert the original PDF file to another PDF file in grayscale.
# In my case, I wanted only black and white, so this was not enough.

#!/bin/bash

gs \
 -sOutputFile=output.pdf \
 -sDEVICE=pdfwrite \
 -sColorConversionStrategy=Gray \