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-rw-r--r--fib.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/fib.c b/fib.c
new file mode 100644
index 0000000..915fccd
--- /dev/null
+++ b/fib.c
@@ -0,0 +1,33 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+
+const long int MAX = 4 * pow(10, 6);
+int *fib;
+
+int main(){
+ // Intialize sequence with first two terms
+ fib = (int *) malloc (2 * sizeof(int));
+ fib[0] = 1;
+ fib[1] = 1;
+
+ // loop counter
+ int k = 1;
+ // sum of even terms
+ int sum = 0;
+ //next term in sequence
+ int next;
+ while(1){
+ next = fib[k] + fib[k - 1];
+ printf("%d\n", next);
+ if(next > MAX)
+ break;
+ if(next % 2 == 0)
+ sum += next;
+ k++;
+ fib = (int *) realloc (fib, (k + 1) * sizeof(int));
+ fib[k] = next;
+ }
+ printf("The sum of the even terms is %d\n", sum);
+ return 0;
+}