diff options
-rw-r--r-- | mat/advent/4/Makefile | 2 | ||||
-rwxr-xr-x | mat/advent/4/a.out | bin | 0 -> 8432 bytes | |||
-rw-r--r-- | mat/advent/4/prog.c | 18 |
3 files changed, 20 insertions, 0 deletions
diff --git a/mat/advent/4/Makefile b/mat/advent/4/Makefile new file mode 100644 index 0000000..4296acc --- /dev/null +++ b/mat/advent/4/Makefile @@ -0,0 +1,2 @@ +default: + gcc prog.c -pedantic diff --git a/mat/advent/4/a.out b/mat/advent/4/a.out Binary files differnew file mode 100755 index 0000000..ad1aa04 --- /dev/null +++ b/mat/advent/4/a.out diff --git a/mat/advent/4/prog.c b/mat/advent/4/prog.c new file mode 100644 index 0000000..87dfa5e --- /dev/null +++ b/mat/advent/4/prog.c @@ -0,0 +1,18 @@ +#include <stdio.h> +#include <stdlib.h> +int main (int argc, char ** argv) { + if (argc != 1+1) { + fprintf(stderr, "uporaba: %s <dolzina stranice kvadratne mreze>\nprimer za šahovnico: %s 8\n", argv[0], argv[0]); + return 1; + } + unsigned long int n = strtol(argv[1], NULL, 10); + unsigned long int x = 1; + unsigned long int y = 1; + unsigned long int s = 0; + for (x = 1; x <= n; x++) { + fprintf(stderr, "debug: x == %lu\n", x); + for (y = 1; y <= n; y++) + s = s + x * y; + } + fprintf(stdout, "seštevek možnih pravokotnikov v mreži %lux%lu je %lu\n", n, n, s); +} |