Initial data commit

Task/Least-common-multiple/C/least-common-multiple.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+
+int gcd(int m, int n)
+{
+        int tmp;
+        while(m) { tmp = m; m = n % m; n = tmp; }
+        return n;
+}
+
+int lcm(int m, int n)
+{
+        return m / gcd(m, n) * n;
+}
+
+int main()
+{
+        printf("lcm(35, 21) = %d\n", lcm(21,35));
+        return 0;
+}