Data commit

Task/Van-Eck-sequence/C/van-eck-sequence.c

@@ -0,0 +1,23 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(int argc, const char *argv[]) {
+  const int max = 1000;
+  int *a = malloc(max * sizeof(int));
+  for (int n = 0; n < max - 1; n ++) {
+    for (int m = n - 1; m >= 0; m --) {
+      if (a[m] == a[n]) {
+        a[n+1] = n - m;
+        break;
+      }
+    }
+  }
+
+  printf("The first ten terms of the Van Eck sequence are:\n");
+  for (int i = 0; i < 10; i ++) printf("%d ", a[i]);
+  printf("\n\nTerms 991 to 1000 of the sequence are:\n");
+  for (int i = 990; i < 1000; i ++) printf("%d ", a[i]);
+  putchar('\n');
+
+  return 0;
+}