つい、やってしまった。出来心。http://qiita.com/on0z/items/ef32f79bde5452a2ccec が発祥?
#include <stdio.h>
#include <stdlib.h>
int main()
{
const char* kw[] = {"Pen", "Pineapple", "Apple", "Pen"};
unsigned ppap = -1;
while (ppap != 0x1b) { // '00 01 10 11'
ppap = ((ppap << 2) | (rand() & 3)) & 0xff;
puts(kw[ppap & 3]);
}
}
See also: http://qiita.com/yohhoy/items/09c95cae51146d3fd788