1 files changed, 27 insertions, 0 deletions

diff --git a/inf/zotks/1/prog.c b/inf/zotks/1/prog.c
new file mode 100644
index 0000000..f3e38f6
--- /dev/null
+++ b/inf/zotks/1/prog.c
@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+size_t veriga (size_t n, size_t s) {
+	for (size_t i = 2; i <= n; i++) {
+		if (n % i != 0)
+			return veriga(i, s+1);
+	}
+	return s;
+}
+
+int main (int argc, char ** argv) {
+	size_t i;
+	char in[128];
+	fgets(in, 127, stdin);
+	char * p;
+	size_t a = strtoll(in, &p, 10);
+	size_t b = strtoll(p, NULL, 10);
+	size_t sum = 0;
+	/* fprintf(stderr, "%lu, %lu\n", a, b); */
+	for (size_t x = a; x <= b; x++) {
+		sum += veriga(x, 1);
+	}
+	fprintf(stdout, "%lu\n", sum);
+	return 0;
+}