aoc 2025, day 3, part 2

1 files changed, 2 insertions, 1 deletions

diff --git a/2025/src/day03.cpp b/2025/src/day03.cpp
index c9db900..64851b9 100644
--- a/2025/src/day03.cpp
+++ b/2025/src/day03.cpp
@@ -34,9 +34,10 @@ solve(const vector<long>& line, int n)
 {
         long value = 0;
         auto start = line.begin();
+        auto end   = prev(line.end(), n);
 
         while ( n-- > 0 ) {
-                start = max_element(start, prev(line.end(), n));
+                start = max_element(start, ++end);
 
                 value *= 10;
                 value += *start++;