Data commit

Task/Almost-prime/C/almost-prime.c

@@ -0,0 +1,30 @@
+#include <stdio.h>
+
+int kprime(int n, int k)
+{
+	int p, f = 0;
+	for (p = 2; f < k && p*p <= n; p++)
+		while (0 == n % p)
+			n /= p, f++;
+
+	return f + (n > 1) == k;
+}
+
+int main(void)
+{
+	int i, c, k;
+
+	for (k = 1; k <= 5; k++) {
+		printf("k = %d:", k);
+
+		for (i = 2, c = 0; c < 10; i++)
+			if (kprime(i, k)) {
+				printf(" %d", i);
+				c++;
+			}
+
+		putchar('\n');
+	}
+
+	return 0;
+}