2002 已修正限制並 rejudge
2024 全國賽 (除了D) 已公開！

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User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

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pre-nhspc-2022 全國模擬賽 Interactive

Description

題目 PDF 檔在這裡

Input Format

本題是互動題，需要完成與可呼叫的函式都與題本所述相同，只是程式碼的開頭引入的標頭檔要改成 #include "lib2415.h"，程式碼請勿輸入或輸出任何東西。如果你輸入了任何東西可能會導致各種不可預期的結果。（此處提供測試用所需的檔案）

Output Format

Sample Input 1

Sample Output 1

Hints

Problem Source

111 學年度全國資訊學科能力競賽模擬賽

Subtasks

No.	Testdata Range	Constraints	Score
1	0	範例測資	0
2	0~12	$r \leq 1000$	5
3	0~19	$r \leq 2500$	10
4	0~42	無額外限制	85

Testdata and Limits

No.	Time Limit (ms)	Memory Limit (VSS, KiB)	Output Limit (KiB)	Subtasks
0	10000	524288	65536	1 2 3 4
1	10000	524288	65536	2 3 4
2	10000	524288	65536	2 3 4
3	10000	524288	65536	2 3 4
4	10000	524288	65536	2 3 4
5	10000	524288	65536	2 3 4
6	10000	524288	65536	2 3 4
7	10000	524288	65536	2 3 4
8	10000	524288	65536	2 3 4
9	10000	524288	65536	2 3 4
10	10000	524288	65536	2 3 4
11	10000	524288	65536	2 3 4
12	10000	524288	65536	2 3 4
13	10000	524288	65536	3 4
14	10000	524288	65536	3 4
15	10000	524288	65536	3 4
16	10000	524288	65536	3 4
17	10000	524288	65536	3 4
18	10000	524288	65536	3 4
19	10000	524288	65536	3 4
20	10000	524288	65536	4
21	10000	524288	65536	4
22	10000	524288	65536	4
23	10000	524288	65536	4
24	10000	524288	65536	4
25	10000	524288	65536	4
26	10000	524288	65536	4
27	10000	524288	65536	4
28	10000	524288	65536	4
29	10000	524288	65536	4
30	10000	524288	65536	4
31	10000	524288	65536	4
32	10000	524288	65536	4
33	10000	524288	65536	4
34	10000	524288	65536	4
35	10000	524288	65536	4
36	10000	524288	65536	4
37	10000	524288	65536	4
38	10000	524288	65536	4
39	10000	524288	65536	4
40	10000	524288	65536	4
41	10000	524288	65536	4
42	10000	524288	65536	4

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