1 files changed, 31 insertions, 0 deletions

diff --git a/mat/euler/16/mnozi.c b/mat/euler/16/mnozi.c
new file mode 100644
index 0000000..f90cdbd
--- /dev/null
+++ b/mat/euler/16/mnozi.c
@@ -0,0 +1,31 @@
+#pragma once
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+int mnozi (unsigned long long int mnozi_s_tem, char * d, long int b) {
+	unsigned long long int carry = 0; // carry je pri množenju vedno pozitiven
+	unsigned long long int to = 0;
+	unsigned long long int za_napisati = 0;
+	for (b = b-1; b >= 0; b--) {
+		to = d[b] - '0';
+		za_napisati = to * mnozi_s_tem;
+		za_napisati = za_napisati + carry;
+		carry = 0;
+		if (za_napisati > 9) {
+			za_napisati = za_napisati - 10;
+			carry++;
+		}
+		d[b] = za_napisati + '0';
+	}
+	return 0;
+}
+#ifndef DISABLE_LIB_TESTS
+int main (int argc, char ** argv) {
+	unsigned long long int m = 2;
+	char d[] = "0000000000000000000000000000000000000000000000000000456";
+	int b = strlen(d);
+	mnozi(m, d, b);
+	fprintf(stdout, "test: %s\n", d);
+	return 0;
+}
+#endif