{"problem":{"name":"最大异或对 The XOR Largest Pair","description":{"content":"给定 $N$ 个整数 $A_1.A_2, \\cdots, A_N$ 中选出两个进行异或计算，得到的结果最大是多少？","description_type":"Markdown"},"platform":"Luogu","limit":{"time_limit":1000,"memory_limit":524288},"difficulty":{"LuoguStyle":"P3"},"is_remote":true,"is_sync":true,"sync_url":null,"sign":"LGP10471"},"statements":[{"statement_type":"Markdown","content":"给定 $N$ 个整数 $A_1.A_2, \\cdots, A_N$ 中选出两个进行异或计算，得到的结果最大是多少？\n\n## Input\n\n第一行一个整数 $N$，第二行 $N$ 个整数 $A_1.A_2, \\cdots, A_N$。\n\n## Output\n\n一个整数表示答案。\n\n[samples]\n\n## Note\n\n对于所有测试数据，$1 \\le N \\le 10^5$，保证 $0\\le A_i<2^{31}$。","is_translate":false,"language":"English"}],"meta":{"iden":"LGP10471","tags":["字典树 Trie"],"sample_group":[["3\n1 2 3","3"]],"created_at":"2026-03-03 11:09:25"}}