{"problem":{"name":"判断字符串是否为回文","description":{"content":"输入一个字符串，输出该字符串是否回文。回文是指顺读和倒读都一样的字符串。","description_type":"Markdown"},"platform":"Luogu","limit":{"time_limit":1000,"memory_limit":131072},"difficulty":{"LuoguStyle":"P1"},"is_remote":true,"is_sync":true,"sync_url":null,"sign":"LGB2124"},"statements":[{"statement_type":"Markdown","content":"输入一个字符串，输出该字符串是否回文。回文是指顺读和倒读都一样的字符串。\n\n## Input\n\n输入一行字符串，长度小于 $100$。\n\n## Output\n\n如果字符串是回文，输出 `yes`；否则，输出 `no`。\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"LGB2124","tags":["字符串（入门）"],"sample_group":[["abcdedcba","yes"]],"created_at":"2026-03-03 11:09:25"}}