1 files changed, 7 insertions, 0 deletions
diff --git a/robots/utils.py b/robots/utils.py
index 544bec7..dff2a3e 100644
--- a/robots/utils.py
+++ b/robots/utils.py
@@ -1,6 +1,13 @@
 from random import sample
 import time
 
+def ceil_div(a, b):
+    """Divide a by b, rounding towards infinity."""
+    return -(-a // b)
+
+def ilen(items):
+    return sum(1 for _ in items)
+
 def add_spawns(map_, n_spawns):
     available = []
     for x, y, cell in iter_board(map_):