commit

2026-05-02 15:42:52 +10:00
commit 8582780ac9
38 changed files with 460 additions and 0 deletions
@@ -0,0 +1,4 @@
+length, n = map(int, input().split(" "))
+
+ans = max(2 * n - length - 1, 0)
+print(ans)