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| -rw-r--r-- | src/types.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/types.rs b/src/types.rs index 1e4e1e58..5d517d2b 100644 --- a/src/types.rs +++ b/src/types.rs @@ -246,6 +246,10 @@ pub mod segment_tree { /// (left, right) is inclusive pub fn get_max(&self, mut left: usize, mut right: usize) -> u8 { + if self.array.is_empty() { + return 0; + } + let len = self.array.len(); debug_assert!(left <= right); if right >= len { |