From feb45d0ae98f3030b2b07089bc0eb066b69f5625 Mon Sep 17 00:00:00 2001
From: Pieter Eendebak <pieter.eendebak@gmail.com>
Date: Mon, 2 May 2022 19:09:35 +0200
Subject: suggestions.c: Improve efficiency of levenshtein_distance method
 (#91835)

---
 Python/suggestions.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Python/suggestions.c b/Python/suggestions.c
index d9e69fa..b84acaa 100644
--- a/Python/suggestions.c
+++ b/Python/suggestions.c
@@ -78,9 +78,11 @@ levenshtein_distance(const char *a, size_t a_size,
     // Instead of producing the whole traditional len(a)-by-len(b)
     // matrix, we can update just one row in place.
     // Initialize the buffer row
+    size_t tmp = MOVE_COST;
     for (size_t i = 0; i < a_size; i++) {
         // cost from b[:0] to a[:i+1]
-        buffer[i] = (i + 1) * MOVE_COST;
+        buffer[i] = tmp;
+        tmp += MOVE_COST;
     }
 
     size_t result = 0;
-- 
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