{"problem":{"name":"[语言月赛 202410] 刻度尺","description":{"content":"小 L 有一根 $n$ 厘米的刻度尺，上面有刻度 $0,1,\\ldots, n$。她想知道有哪些刻度和 $a$ 厘米刻度的距离**恰好**是 $b$ 厘米。请你从小到大输出所有满足要求的刻度，以空格隔开。特别地，如果没有满足要求的刻度，输出 `No solution`。","description_type":"Markdown"},"platform":"Luogu","limit":{"time_limit":1000,"memory_limit":524288},"difficulty":{"LuoguStyle":"P1"},"is_remote":true,"is_sync":true,"sync_url":null,"sign":"LGB4043"},"statements":[{"statement_type":"Markdown","content":"小 L 有一根 $n$ 厘米的刻度尺，上面有刻度 $0,1,\\ldots, n$。她想知道有哪些刻度和 $a$ 厘米刻度的距离**恰好**是 $b$ 厘米。请你从小到大输出所有满足要求的刻度，以空格隔开。特别地，如果没有满足要求的刻度，输出 `No solution`。\n\n## Input\n\n输入有一行三个整数 $n,a,b$，分别表示刻度尺长度、给定的刻度和距离。\n\n## Output\n\n从小到大输出一行若干个整数，用空格隔开，表示所有可能的刻度。\n\n特别的，如果不存在满足要求的刻度，输出 `No solution`。\n\n[samples]\n\n## Note\n\n对于全体数据，保证 $1\\le n \\le 100$，$0\\le a\\le n$，$0\\le b\\le 100$。","is_translate":false,"language":"English"}],"meta":{"iden":"LGB4043","tags":["2024","分支结构","语言月赛"],"sample_group":[["15 9 4\n","5 13\n"],["10 8 100\n","No solution\n"],["10 7 0\n","7\n"]],"created_at":"2026-03-03 11:09:25"}}