KOI USACO IOI JOI open_in_new ICPC COCI BOI Uva Google Code Jam Google Kick Start APIO school User/School Contests Contests 790 problems chevron_right USACO No. Problem Source Solved Attempts Accuracy Platinum 3 problems expand_more 8861 Hoof, Paper, Scissors Triples translate call_split Subtask USACO 2026 First Contest, Platinum 8862 Lineup Counting Queries translate call_split Subtask USACO 2026 First Contest, Platinum 8863 Pluses and Minuses translate call_split Subtask USACO 2026 First Contest, Platinum Gold 3 problems expand_more 8858 COW Traversals translate call_split Subtask USACO 2026 First Contest, Gold 8859 Milk Buckets translate call_split Subtask USACO 2026 First Contest, Gold 8860 Supervision translate call_split Subtask USACO 2026 First Contest, Gold Silver 3 problems expand_more 8843 Lineup Queries translate call_split Subtask USACO 2026 First Contest, Silver 8844 Mooclear Reactor translate call_split Subtask USACO 2026 First Contest, Silver 1 1 100.00% 8845 Sliding Window Summation translate call_split Subtask USACO 2026 First Contest, Silver 1 5 20.00%Bronze 3 problems expand_more 8840 Chip Exchange translate call_split Subtask USACO 2026 First Contest, Bronze 5 19 26.32% 8841 COW Splits translate auto_awesome Special judge call_split Subtask USACO 2026 First Contest, Bronze 2 2 100.00% 8842 Photoshoot translate call_split Subtask USACO 2026 First Contest, Bronze 3 3 100.00%
No. Problem Source Solved Attempts Accuracy Platinum 3 problems expand_more 8861 Hoof, Paper, Scissors Triples translate call_split Subtask USACO 2026 First Contest, Platinum 8862 Lineup Counting Queries translate call_split Subtask USACO 2026 First Contest, Platinum 8863 Pluses and Minuses translate call_split Subtask USACO 2026 First Contest, Platinum Gold 3 problems expand_more 8858 COW Traversals translate call_split Subtask USACO 2026 First Contest, Gold 8859 Milk Buckets translate call_split Subtask USACO 2026 First Contest, Gold 8860 Supervision translate call_split Subtask USACO 2026 First Contest, Gold Silver 3 problems expand_more 8843 Lineup Queries translate call_split Subtask USACO 2026 First Contest, Silver 8844 Mooclear Reactor translate call_split Subtask USACO 2026 First Contest, Silver 1 1 100.00% 8845 Sliding Window Summation translate call_split Subtask USACO 2026 First Contest, Silver 1 5 20.00%Bronze 3 problems expand_more 8840 Chip Exchange translate call_split Subtask USACO 2026 First Contest, Bronze 5 19 26.32% 8841 COW Splits translate auto_awesome Special judge call_split Subtask USACO 2026 First Contest, Bronze 2 2 100.00% 8842 Photoshoot translate call_split Subtask USACO 2026 First Contest, Bronze 3 3 100.00%
