Consolidate use statements for std::ops in lazy_segment_tree.rs

[reddevilmidzy]

Pull Request Template

Description

Consolidated multiple use statements into a single line using curly braces ({}). The functionality remains the same, but the code is now more concise and readable.

Type of change

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• I ran bellow commands using the latest version of rust nightly.
• I ran cargo clippy --all -- -D warnings just before my last commit and fixed any issue that was found.
• I ran cargo fmt just before my last commit.
• I ran cargo test just before my last commit and all tests passed.
• I added my algorithm to the corresponding mod.rs file within its own folder, and in any parent folder(s).
• I added my algorithm to DIRECTORY.md with the correct link.
• I checked COUNTRIBUTING.md and my code follows its guidelines.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.47%. Comparing base (8467b52) to head (34788e5).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #851   +/-   ##
=======================================
  Coverage   95.47%   95.47%           
=======================================
  Files         316      316           
  Lines       22934    22934           
=======================================
  Hits        21897    21897           
  Misses       1037     1037           

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