1 files changed, 39 insertions, 0 deletions
diff --git a/collatz.c b/collatz.c
new file mode 100644
index 0000000..5bbb783
--- /dev/null
+++ b/collatz.c
@@ -0,0 +1,39 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <string.h>
+
+// Temporary storage chain
+//long int *chain;
+// The longest sequence found so far
+//long int *seq;
+
+// Size of the above arrays
+long int c = 0;
+long int s = 0;
+long int collatz(long int seed){
+    //chain = (long int *) realloc (chain, c * sizeof(long int));
+    //chain[c - 1] == seed;
+    c++;
+    if(seed == 1)
+        return 0;
+    if(seed % 2 == 0)
+        seed = seed / 2;
+    else
+        seed = 3 * seed + 1;
+    //collatz(seed);
+}
+
+int main(){
+    for(long int i = 1; i < pow(10, 6); i++){
+        c = 0;
+        //chain = (long int *) malloc(c * sizeof(long int));
+        collatz(i);
+        printf("%d \n", i);
+        if(c > s){
+            s = c;
+        }
+    }
+    printf("Has %d numbers \n", s);
+    return 0;
+}