3 files changed, 23 insertions, 0 deletions
diff --git a/graphs/piscine/test_a_bit/is_set.c b/graphs/piscine/test_a_bit/is_set.c
new file mode 100644
index 0000000..38fccf8
--- /dev/null
+++ b/graphs/piscine/test_a_bit/is_set.c
@@ -0,0 +1,6 @@
+#include "is_set.h"
+
+unsigned int is_set(unsigned int value, unsigned char n)
+{
+    return (value & (1 << (n - 1))) != 0;
+}
diff --git a/graphs/piscine/test_a_bit/is_set.h b/graphs/piscine/test_a_bit/is_set.h
new file mode 100644
index 0000000..8f2fd9a
--- /dev/null
+++ b/graphs/piscine/test_a_bit/is_set.h
@@ -0,0 +1,6 @@
+#ifndef IS_SET_H
+#define IS_SET_H
+
+unsigned int is_set(unsigned int value, unsigned char n);
+
+#endif /* ! IS_SET_H */
diff --git a/graphs/piscine/test_a_bit/test.c b/graphs/piscine/test_a_bit/test.c
new file mode 100644
index 0000000..e3403e4
--- /dev/null
+++ b/graphs/piscine/test_a_bit/test.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+#include "is_set.h"
+
+int main(void)
+{
+    printf("%d\n", is_set(24, 4));
+    printf("%d\n", is_set(24, 3));
+
+    return 0;
+}