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Implemented FFT convolution and lazy segment tree — fast and efficient #1848
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  @jsjgdh
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 October 23, 2025 19:29  
 
 
 
 
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 Oct 23, 2025 
 
 
 
| Codecov Report❌ Patch coverage is  
 Additional details and impacted files@@ Coverage Diff @@ ## master #1848 +/- ## ========================================== + Coverage 85.91% 86.11% +0.19% ========================================== Files 379 382 +3 Lines 19778 20105 +327 Branches 3015 3085 +70 ========================================== + Hits 16993 17314 +321 - Misses 2785 2791 +6 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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Added implementation of FFT (Cooley–Tukey) for polynomial convolution.
Also added a segment tree with lazy propagation for range updates and queries.
I have included test for both and also tested it locally on my machine .