Add a Fibonacci algorithm

fib.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+
+//Fibonnacci function 
+int fib(int number){
+	if(number==1||number==2) return 1;
+	else return fib(number-1)+fib(number-2);
+}
+
+int main(){
+	int number;
+
+	//Asks for the number that is in n position in Fibonnacci sequence
+	printf("Number: ");
+	scanf("%d", &number);
+	
+	printf("%d \n", fib(number));
+	
+	return 0;
+}