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
new 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;
+}