Author

Sean Narenthiran

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#artificial intelligence Preprint Sep 2026

Post-Training Language Models for Gold-Medal Performance in Coding Competitions

Competitive programming has become a key test of large language model reasoning, with international competitions such as IOI and ICPC representing its most challenging settings. We present an end-to-end specialization pipeline combining large-scale problem curation, synthetic reasoning traces, supervised fine-tuning (S...

Aleksander Ficek, Sean Narenthiran, Mehrzad Samadi et al. · 0 citations

#natural language process... Jun 2026

SHERLOC: Structured Diagnostic Localization for Code Repair Agents

This work introduces SHERLOC (Structured Hypothesis-driven Exploration and Reasoning for Localization), a training-free framework pairing a reasoning LLM with compact repository tools and self-recovery, without fine-tuning or multi-agent orchestration.

Hovhannes Tamoyan, Sean Narenthiran, Erik Arakelyan et al. · arXiv.org · 3 citations