Gemini achieves gold-medal level at the International Collegiate Programming Contest World Finals

This post details Gemini 2.5 Deep Think's gold-medal performance at the 2025 ICPC World Finals, solving 10 out of 12 problems. It highlights the model's ability to tackle complex algorithmic problems, including a novel solution to 'Problem C' using dynamic programming and nested ternary searches. The post also describes the underlying technical advances in pretraining, post-training, reinforcement learning, multi-step reasoning, and parallel thinking, including the use of multiple agents to propose, execute, and iterate on solutions.