59 lines
1.1 KiB
C
59 lines
1.1 KiB
C
/* ex1-c: Advent2021 game, day 1/game 1
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#include "debug.h"
|
|
|
|
#define XMOVE 3
|
|
|
|
int my_strlen(str)
|
|
char *str;
|
|
{
|
|
int i;
|
|
for (i=0; *str; ++i, ++str)
|
|
;
|
|
return i;
|
|
}
|
|
|
|
static int usage(char *prg)
|
|
{
|
|
fprintf(stderr, "Usage: %s [-ilw] [file...]\n", prg);
|
|
return 1;
|
|
}
|
|
|
|
int main(int ac, char **av)
|
|
{
|
|
int opt;
|
|
char str[80];
|
|
|
|
while ((opt = getopt(ac, av, "d:f:")) != -1) {
|
|
switch (opt) {
|
|
case 'd':
|
|
debug_level_set(atoi(optarg));
|
|
break;
|
|
default:
|
|
return usage(*av);
|
|
}
|
|
}
|
|
printf("optind = %d ac = %d\n", optind, ac);
|
|
|
|
if (optind < ac)
|
|
return usage(*av);
|
|
|
|
scanf("%s", str); /* ignore 1st line */
|
|
|
|
while (scanf("%s", str) != EOF) {
|
|
line++;
|
|
col+=XMOVE;
|
|
linelen=my_strlen(str);
|
|
mod=col%linelen;
|
|
if (*(str+mod) == '#')
|
|
count++;
|
|
}
|
|
printf ("%s : lines:%d pos:%d found:%d\n", *av, line, col, count);
|
|
exit (0);
|
|
}
|