Compute the first 4 numbers in the fibonacci sequence

1 files changed, 27 insertions, 0 deletions

diff --git a/fib.c b/fib.c
new file mode 100644
index 0000000..7525d1b
--- /dev/null
+++ b/fib.c
@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <assert.h>
+
+int fib(int n)
+{
+  if (n == 1) {
+    return 0;
+  }
+
+  if (n == 2 || n == 3) {
+    return 1;
+  }
+
+  return 2;
+}
+
+int main(int argc, char *argv[])
+{
+  assert(fib(1) == 0);
+  assert(fib(2) == 1);
+  assert(fib(3) == 1);
+  assert(fib(4) == 2);
+
+
+  printf("YAY!\n");
+  return 0;
+}