{"problem":{"name":"统计数字字符个数","description":{"content":"输入一行字符，统计出其中数字字符的个数。","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":"LGB2109"},"statements":[{"statement_type":"Markdown","content":"输入一行字符，统计出其中数字字符的个数。\n\n## Input\n\n一行字符串，总长度不超过 $255$。\n\n## Output\n\n输出为 $1$ 行，输出字符串里面数字字符的个数。\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"LGB2109","tags":["字符串（入门）"],"sample_group":[["Today is 2021-03-27","8"]],"created_at":"2026-03-03 11:09:25"}}