318 . 跳格子

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Caido
主唱太拼命了

User's AC Ratio

76.2% (16/21)

Submission's AC Ratio

60.5% (26/43)

Tags

ytp ytp-senior ytp-2022

Description

題目 PDF 檔在這裡

Input Format

Output Format

Sample Input 1

4
1 4 4 2

Sample Output 1

9

Sample Input 2

4
1 3 2 4

Sample Output 2

14

Sample Input 3

30
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

Sample Output 3

73741816

Hints

Problem Source

YTP 2022 高中組初賽 p4

Subtasks

No. Testdata Range Constraints Score
1 0~2 範例測資 0
2 0~10 $N \leq 3000$ 7
3 0~18 無額外限制 8

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 524288 65536 1 2 3
1 1000 524288 65536 1 2 3
2 1000 524288 65536 1 2 3
3 1000 524288 65536 2 3
4 1000 524288 65536 2 3
5 1000 524288 65536 2 3
6 1000 524288 65536 2 3
7 1000 524288 65536 2 3
8 1000 524288 65536 2 3
9 1000 524288 65536 2 3
10 1000 524288 65536 2 3
11 1000 524288 65536 3
12 1000 524288 65536 3
13 1000 524288 65536 3
14 1000 524288 65536 3
15 1000 524288 65536 3
16 1000 524288 65536 3
17 1000 524288 65536 3
18 1000 524288 65536 3
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