diff options
Diffstat (limited to 'mat/euler/5')
-rw-r--r-- | mat/euler/5/Makefile | 2 | ||||
-rwxr-xr-x | mat/euler/5/a.out | bin | 0 -> 8480 bytes | |||
-rw-r--r-- | mat/euler/5/prog.c | 26 |
3 files changed, 28 insertions, 0 deletions
diff --git a/mat/euler/5/Makefile b/mat/euler/5/Makefile new file mode 100644 index 0000000..2def8af --- /dev/null +++ b/mat/euler/5/Makefile @@ -0,0 +1,2 @@ +default: + gcc prog.c diff --git a/mat/euler/5/a.out b/mat/euler/5/a.out Binary files differnew file mode 100755 index 0000000..18403da --- /dev/null +++ b/mat/euler/5/a.out diff --git a/mat/euler/5/prog.c b/mat/euler/5/prog.c new file mode 100644 index 0000000..14ce34e --- /dev/null +++ b/mat/euler/5/prog.c @@ -0,0 +1,26 @@ +#include <stdio.h> +#include <stdlib.h> +int main (int argc, char ** argv) { + if (argc != 1+1) { + fprintf(stderr, "uporaba: %s <stevilka>\nprimer: %s 20\n", argv[0], argv[0]); + return 1; + } + size_t i = 1; + size_t j = 1; + size_t m = atoi(argv[1]); + while (1) { + for (j = 1; j <= m; j++) + if (i % j != 0) + break; + else if (j >= m) { + fprintf(stdout, "našel: %ld\n", i); + return 0; + } + i++; + // fprintf(stderr, "debug: %ld\n", i); + if (i <= 1) // intager overrun + break; + } + fprintf(stderr, "ni bilo najdeno pred obratom števca. povečajte števec.\n"); + return 1; +} |