{ "generated": "2026-09-29T06:49:29.974Z", "base": "https://crazyrouter.com", "scene": "湖畔风车", "nonce": "RBPKKA", "models": [ { "model": "gpt-6-astra", "pelican": { "text": "\n 湖畔风车 · 鹈鹕骑行\n 明亮的湖畔,一只橙色大嘴的可爱鹈鹕张开翅膀保持平衡,蹼足随着踏板循环踩动,自行车车轮和远处的风车持续旋转。右下角显示校验码 RBPKKA。\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n\n \n \n \n \n\n \n \n \n\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n RBPKKA\n", "svg_found": true, "latency_ms": 192751, "usage": { "input": 4291, "output": 6319 }, "finish": "stop", "error": "", "attempts": 2 }, "candy": { "text": "最少需要取出 **21个**。这里利用了题目中的条件:可以凭手感辨别形状,因此可以选择取出多少个圆形糖、多少个五角星形糖。\n\n**取法:取12个五角星形糖,再取9个圆形糖。**\n\n- 五角星形糖中,非苹果味的只有 \\(6+4=10\\) 个,非桃子味的只有 \\(7+4=11\\) 个。因此,取12个五角星形糖,必定同时有苹果味和桃子味。\n- 圆形糖中,西瓜味只有8个。因此,取9个圆形糖,必定至少有一个苹果味或桃子味糖。\n\n这样,圆形苹果味可以匹配五角星形桃子味,圆形桃子味可以匹配五角星形苹果味,必定满足要求。\n\n**为什么20个不能保证?**\n\n考虑一种可能的最不利摸出顺序:无论什么时候选择某种形状,该形状的糖都按下面的顺序出现:\n\n| 形状 | 先摸到 | 接着摸到 | 最后摸到 |\n|---|---|---|---|\n| 圆形 | 8个西瓜味 | 7个苹果味 | 9个桃子味 |\n| 五角星形 | 4个西瓜味 | 7个苹果味 | 6个桃子味 |\n\n在这种情况下:\n\n- 要得到“圆形苹果味+五角星形桃子味”,至少要取9个圆形、12个五角星形,共21个。\n- 要得到“圆形桃子味+五角星形苹果味”,至少要取16个圆形、5个五角星形,也共21个。\n\n所以,即使根据已摸出的糖调整后续选择,20个也无法保证成功。答案为 \\(\\boxed{21}\\)。", "pass": true, "latency_ms": 30357, "usage": { "input": 4314, "output": 871 }, "finish": "stop", "error": "", "attempts": 2 } }, { "model": "gpt-5", "pelican": { "text": "\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n\n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n\n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n\n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n \n \n\n \n \n \n\n \n \n \n \n \n\n \n \n \n \n \n\n \n \n RBPKKA\n \n", "svg_found": true, "latency_ms": 116305, "usage": { "input": 177, "output": 9895 }, "finish": "stop", "error": "", "attempts": 1 }, "candy": { "text": "答案:29 个。\n\n理由:\n- 要“最坏情况下尽量多拿还不达标”,就尽量避免形成一对(圆苹果 + 星桃子)或(圆桃子 +星彩苹果)。\n- 若先拿光这四类中较“安全”的三类:圆苹果(7) + 圆桃子(9) + 所有西瓜(8+4=12),共 7+9+12=28 个,此时手里没有星彩桃子也没有星彩苹果,因此还未达标。\n- 再多拿 1 个时,必是星彩苹果(剩7)或星彩桃子(剩6)中的一个:\n - 若拿到星彩苹果,与手中已有圆桃子配对达标;\n - 若拿到星彩桃子,与手中已有圆苹果配对达标。\n\n因此,最少需要取 28+1=29 个糖果才能保证满足要求。", "pass": false, "latency_ms": 55906, "timeout_ms": 900000, "max_output_tokens": 32000, "usage": { "input": 200, "output": 3412 }, "finish": "stop", "error": "", "attempts": 3 } }, { "model": "claude-opus-5-5", "pelican": { "text": "\n 鹈鹕骑自行车 · 湖畔风车\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n\n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n\n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n\n \n \n \n\n \n \n \n \n \n \n\n \n \n \n \n \n\n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n RBPKKA\n", "svg_found": true, "latency_ms": 183738, "timeout_ms": 900000, "max_output_tokens": 32000, "usage": { "input": 261, "output": 19362 }, "finish": "stop", "error": "", "attempts": 1 }, "candy": { "text": "**答案:最少取21个**(摸9个圆形、12个五角星形)。\n\n**思路**\n形状可以靠手感分辨,所以参赛者能控制摸几个圆形 r、几个五角星形 s,而口味摸不出来。要选定 r 和 s,使最坏情况下也满足要求,并让 r+s 最小。\n\n**两类糖各需摸多少才有保证**\n- 圆形(苹果7、桃子9、西瓜8,共24):\n - 保证有圆形苹果:9+8+1 = 18个\n - 保证有圆形桃子:7+8+1 = 16个\n - 保证苹果或桃子至少一种:8+1 = 9个\n- 五角星形(苹果7、桃子6、西瓜4,共17):\n - 保证有五角星苹果:6+4+1 = 11个\n - 保证有五角星桃子:7+4+1 = 12个\n - 保证苹果或桃子至少一种:4+1 = 5个\n\n**可行方案比较**\n1. 圆形保证苹果、五角星保证桃子:18+12 = 30\n2. 圆形保证桃子、五角星保证苹果:16+11 = 27\n3. 圆形取18个,此时圆形苹果和桃子都一定有(没有桃子最多15个,没有苹果最多17个);五角星只需苹果或桃子有一种,取5个。共18+5 = 23\n4. 五角星取12个,此时五角星苹果和桃子都一定有(没有苹果最多10个,没有桃子最多11个);圆形只需苹果或桃子有一种,取9个。共12+9 = **21**\n\n**验证方案4是最少的**\n失败只有四种情况:\n- 圆形里既无苹果也无桃子(r≤8)\n- 五角星里既无苹果也无桃子(s≤4)\n- 圆形和五角星都没有苹果(r≤17 且 s≤10)\n- 圆形和五角星都没有桃子(r≤15 且 s≤11)\n\n要避开前两种,必须 r≥9、s≥5。在此基础上:\n- 若 s≥12,后两种自动避开,最小为 9+12 = 21。\n- 若 s 在 5~10 之间,必须 r≥18,至少 18+5 = 23。\n- 若 s = 11,必须 r≥16,至少 16+11 = 27。\n\n所以最小值是21。\n\n**说明**:如果不利用手感、完全盲摸,最坏情况是28个全部圆形加4个五角星西瓜味,都不满足要求,那么需要取29个。题目特意说明形状可以摸出来,因此答案取21。", "pass": true, "latency_ms": 21656, "timeout_ms": 900000, "max_output_tokens": 32000, "usage": { "input": 283, "output": 1974 }, "finish": "stop", "error": "", "attempts": 1 } }, { "model": "claude-fable-5-1", "pelican": { "text": "\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n \n \n \n \n\n \n \n \n \n\n \n \n \n \n\n \n \n\n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n\n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n \n\n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n RBPKKA\n", "svg_found": true, "latency_ms": 364386, "timeout_ms": 900000, "max_output_tokens": 32000, "usage": { "input": 261, "output": 30541 }, "finish": "stop", "error": "", "attempts": 4 }, "candy": { "text": "**答案:21 个(摸 9 个圆形 + 12 个五角星形)**\n\n**分析思路:**\n\n由于形状可以靠手感分辨,参赛者可以决定圆形和五角星形各摸多少个。设摸 c 个圆形、s 个五角星形。\n\n\"失败\"(不满足要求)的情形只有以下几种:\n\n1. 圆形中没有苹果味也没有桃子味 → 圆形全是西瓜味,最多 8 个。所以需要 **c ≥ 9**。\n2. 五角星中没有苹果味也没有桃子味 → 全是西瓜味,最多 4 个。所以需要 **s ≥ 5**。\n3. 圆形有苹果味但没有桃子味,且五角星没有桃子味:圆形最多 7+8=15 个,五角星最多 7+4=11 个。要排除此情形,需 **c ≥ 16 或 s ≥ 12**。\n4. 圆形有桃子味但没有苹果味,且五角星没有苹果味:圆形最多 9+8=17 个,五角星最多 6+4=10 个。要排除此情形,需 **c ≥ 18 或 s ≥ 11**。\n\n综合考虑,使 c+s 最小的方案是:**c = 9,s = 12**,共 21 个。\n\n**验证(c=9,s=12):**\n- 9 个圆形中,西瓜味最多 8 个,必有苹果味或桃子味圆形;\n- 12 个五角星中,若圆形只有苹果味,需要五角星有桃子味:非桃子味五角星最多 7+4=11 个 < 12,必有桃子味五角星 ✓\n- 若圆形只有桃子味,需要五角星有苹果味:非苹果味五角星最多 6+4=10 个 < 12,必有苹果味五角星 ✓\n- 若圆形两种都有,则任意一种搭配即可 ✓\n\n**20 个不够的原因:** 若 s ≤ 10,需 c ≥ 18;若 s = 11,需 c ≥ 16;若 s ≥ 12,则 c ≤ 8 不满足条件1。故 20 个无法保证。\n\n因此最少需要取出 **21 个**糖果。", "pass": true, "latency_ms": 24162, "usage": { "input": 283, "output": 1673 }, "finish": "stop", "error": "", "attempts": 1 } }, { "model": "deepseek-v4-pro", "pelican": { "text": "\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n\n \n \n \n \n\n \n \n \n \n \n \n\n \n \n \n \n \n\n \n \n\n \n \n \n \n \n \n \n \n\n \n \n\n \n \n\n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n\n \n \n \n \n \n \n \n \n\n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n\n \n \n\n \n \n \n \n \n \n \n \n \n \n \n\n \n \n\n \n \n \n\n \n \n \n\n \n \n\n \n \n \n\n \n \n \n\n \n \n \n \n \n \n\n \n \n\n \n \n\n \n \n \n \n \n\n \n \n \n \n \n\n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n\n \n \n RBPKKA\n RBPKKA\n \n\n", "svg_found": true, "latency_ms": 200870, "usage": { "input": 217, "output": 22323 }, "finish": "stop", "error": "", "attempts": 1 }, "candy": { "text": "答案是:**最少取出 21 个糖果**。\n\n因为形状可以靠手感分辨,所以可以有意识地取指定形状的糖果。\n\n## 取法:取 12 个五角星形 + 9 个圆形\n\n### 1. 12 个五角星形中一定有苹果味和桃子味\n五角星形糖果数量:\n\n- 苹果味:7\n- 桃子味:6\n- 西瓜味:4\n\n如果取 12 个五角星形:\n\n- 没有苹果味时,最多只能取到桃子味 + 西瓜味 = 6 + 4 = 10 个,所以取 12 个必有苹果味;\n- 没有桃子味时,最多只能取到苹果味 + 西瓜味 = 7 + 4 = 11 个,所以取 12 个必有桃子味。\n\n因此,**12 个五角星形中一定同时有苹果味和桃子味**。\n\n### 2. 9 个圆形中一定有苹果味或桃子味\n圆形西瓜味只有 8 个,所以取 9 个圆形时,不可能全是西瓜味,因此至少有一个圆形苹果味或圆形桃子味。\n\n- 如果圆形中有苹果味,就与五角星形中的桃子味配成“圆形苹果 + 五角星桃子”;\n- 如果圆形中有桃子味,就与五角星形中的苹果味配成“圆形桃子 + 五角星苹果”。\n\n所以 **21 个足够保证**。\n\n## 为什么 20 个不够?\n\n设取出的圆形有 \\(r\\) 个,五角星形有 \\(s\\) 个,且 \\(r+s\\le 20\\)。\n\n- 若 \\(r\\le 8\\):圆形可能全是圆形西瓜味,没有圆形苹果或桃子,失败。\n- 若 \\(9\\le r\\le 15\\):圆形可能全来自圆形苹果味 + 圆形西瓜味,共 \\(7+8=15\\) 个,没有桃子味;此时 \\(s\\le 11\\),五角星形也可能全来自五角星苹果味 + 五角星西瓜味,共 \\(7+4=11\\) 个,也没有桃子味。这样手中没有桃子味,失败。\n- 若 \\(r\\ge 16\\):则 \\(s\\le 4\\),五角星形可能全是五角星西瓜味,没有五角星苹果或桃子,失败。\n\n因此 20 个无法保证。\n\n所以最少需要:\n\n\\[\n\\boxed{21}\n\\]", "pass": true, "latency_ms": 274033, "usage": { "input": 234, "output": 25061 }, "finish": "stop", "error": "", "attempts": 1 } }, { "model": "kimi-k3", "pelican": { "text": "\n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n\n \n\n \n \n\n \n\n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n\n \n \n \n \n \n \n \n \n \n \n\n \n\n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n\n \n RBPKKA\n", "svg_found": true, "latency_ms": 342142, "timeout_ms": 900000, "max_output_tokens": 32000, "usage": { "input": 205, "output": 14470 }, "finish": "stop", "error": "", "attempts": 7 }, "candy": { "text": "最少取出 **21 个**:凭手感取 **9 个圆形** 和 **12 个五角星形**。\n\n**保证成立:**\n- 五角星形中,非苹果味最多 \\(6+4=10\\) 个,非桃子味最多 \\(7+4=11\\) 个;取 12 个五角星,必然同时有苹果味和桃子味。\n- 圆形中,既非苹果又非桃子的只有西瓜味,共 8 个;取 9 个圆形,必然至少有一个苹果味或桃子味。\n\n若圆形拿出的是苹果味,就配五角星桃子味;若圆形拿出的是桃子味,就配五角星苹果味。\n\n**20 个不够:** 设取出圆形 \\(r\\) 个、五角星 \\(s\\) 个,且 \\(r+s\\le20\\)。\n- 若 \\(s\\ge12\\),则 \\(r\\le8\\),圆形可能全是 8 个西瓜味;\n- 若 \\(r\\ge16\\),则 \\(s\\le4\\),五角星可能全是 4 个西瓜味;\n- 否则 \\(r\\le15,\\ s\\le11\\),取出的糖可能完全避开桃子味:圆形从 \\(7\\) 圆苹果 + \\(8\\) 圆西瓜中取,五角星从 \\(7\\) 星苹果 + \\(4\\) 星西瓜中取。\n\n所以 20 个不能保证,答案是 **21 个**。", "pass": true, "latency_ms": 663568, "timeout_ms": 900000, "max_output_tokens": 32000, "usage": { "input": 225, "output": 18778 }, "finish": "stop", "error": "", "attempts": 7 } }, { "model": "glm-5.3", "pelican": { "text": "\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n\n \n \n \n \n \n\n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n\n \n \n \n RBPKKA\n \n\n \n \n", "svg_found": true, "latency_ms": 703889, "timeout_ms": 900000, "usage": { "input": 152, "output": 55566 }, "finish": "stop", "error": "", "attempts": 5 }, "candy": { "text": "# 答案:21 个(摸 9 个圆形 + 12 个五角星形)\n\n**关键前提**:形状可以靠手感分辨 ⇒ 参赛者可以**主动挑选形状**,但**无法辨别口味**(口味必须按最坏情况考虑)。所以策略就是决定“摸几个圆形 r、几个五角星 s”,目标:无论口味如何,手中必出现\n\n* 圆形苹果 + 五角星桃子,**或** 圆形桃子 + 五角星苹果\n\n## 方案:12 个五角星 + 9 个圆形\n\n**① 12 个五角星 → 必定同时拥有五角星苹果和五角星桃子**\n\n五角星共 17 个(西瓜 4、苹果 7、桃子 6):\n\n* 若没有五角星**苹果**:最多能摸出 6+4=10 个 < 12,矛盾 ⇒ 必有五角星苹果;\n* 若没有五角星**桃子**:最多能摸出 7+4=11 个 < 12,矛盾 ⇒ 必有五角星桃子。\n\n**② 9 个圆形 → 必有一个圆形苹果或圆形桃子**\n\n圆形西瓜只有 8 个,9 个圆形中至少 1 个不是西瓜味。\n\n**③ 组合**:这颗圆形糖若是苹果味 → 与五角星桃子配对 ✓;若是桃子味 → 与五角星苹果配对 ✓。\n\n## 为什么 20 个不够\n\n设摸 r 个圆形、s 个五角星(r+s ≤ 20),任何方案都存在“失败”的取法:\n\n| 情形 | 坏情况 | 结果 |\n|---|---|---|\n| r ≤ 8 | 圆形全是西瓜味(恰有 8 个)| 手中没有圆形苹果/桃子,两种配法都不成立 |\n| s ≤ 4 | 五角星全是西瓜味(恰有 4 个)| 手中没有五角星苹果/桃子,失败 |\n| r ≥ 9 且 s ≥ 5 | 此时必有 r ≤ 15、s ≤ 11。可让**一颗桃子味都摸不到**:r 个圆形全来自「7 圆苹果+8 圆西瓜」,s 个五角星全来自「7 星苹果+4 星西瓜」| 手中只有苹果味和西瓜味,而两种配法都需要桃子味,失败 |\n\n三种情况覆盖了所有可能 ⇒ **摸 20 个及以下无法保证**,21 是最小值。\n\n> 注意:21 个时组合是唯一的——必须按「9 圆 + 12 星」来摸。例如「10圆+11星」可能全程无桃子味,「16圆+5星」可能全程无苹果味,都会失败。\n\n## 附注\n\n如果**不能**靠手感挑形状(纯盲摸),答案是 29:最坏情况下把 24 个圆形 + 4 个五角星西瓜共 28 个全部摸出仍不满足,第 29 个才必然配对。正是“形状可凭手感分辨”这一条件,把答案从 29 降到 **21**。", "pass": true, "latency_ms": 892339, "timeout_ms": 900000, "max_output_tokens": 32000, "usage": { "input": 172, "output": 49913 }, "finish": "stop", "error": "", "attempts": 3 } } ] }