From 321825828ac918bad28d0597a8616c6dc9802c3c Mon Sep 17 00:00:00 2001
From: Andinus <andinus@nand.sh>
Date: Wed, 11 Aug 2021 15:26:15 +0530
Subject: Add solved exercises

---
 c/grains/src/grains.c | 10 ++++++++++
 c/grains/src/grains.h |  9 +++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 c/grains/src/grains.c
 create mode 100644 c/grains/src/grains.h

(limited to 'c/grains/src')

diff --git a/c/grains/src/grains.c b/c/grains/src/grains.c
new file mode 100644
index 0000000..b169dcf
--- /dev/null
+++ b/c/grains/src/grains.c
@@ -0,0 +1,10 @@
+#include "grains.h"
+
+uint64_t square(uint8_t index) {
+    if (0 < index && index <= 64)
+        return 1ULL << (index - 1);
+    return 0;
+}
+uint64_t total(void) {
+    return ((1ULL << 63) << 1) - 1;
+}
diff --git a/c/grains/src/grains.h b/c/grains/src/grains.h
new file mode 100644
index 0000000..ed53556
--- /dev/null
+++ b/c/grains/src/grains.h
@@ -0,0 +1,9 @@
+#ifndef GRAINS_H
+#define GRAINS_H
+
+#include <stdint.h>
+
+uint64_t square(uint8_t index);
+uint64_t total(void);
+
+#endif
-- 
cgit 1.4.1-2-gfad0