TopCoder

User's AC Ratio

63.6% (7/11)

Submission's AC Ratio

15.9% (7/44)

Tags

Description

Input Format

Output Format

Sample Input 1

10 8
6 9
6 4
3 6
3 3
9 5
2 9
9 9
9 2

Sample Output 1

5

Sample Input 2

10 3
8 3
5 2
4 6

Sample Output 2

3

Sample Input 3

10 4
6 8
5 4
3 7
2 4

Sample Output 3

4

Hints

Problem Source

YTP 2021 國中組初賽 p3

Subtasks

No. Testdata Range Constraints Score
1 0~2 範例測資 0
2 0~29 無額外限制 15

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 524288 65536 1 2
1 1000 524288 65536 1 2
2 1000 524288 65536 1 2
3 1000 524288 65536 2
4 1000 524288 65536 2
5 1000 524288 65536 2
6 1000 524288 65536 2
7 1000 524288 65536 2
8 1000 524288 65536 2
9 1000 524288 65536 2
10 1000 524288 65536 2
11 1000 524288 65536 2
12 1000 524288 65536 2
13 1000 524288 65536 2
14 1000 524288 65536 2
15 1000 524288 65536 2
16 1000 524288 65536 2
17 1000 524288 65536 2
18 1000 524288 65536 2
19 1000 524288 65536 2
20 1000 524288 65536 2
21 1000 524288 65536 2
22 1000 524288 65536 2
23 1000 524288 65536 2
24 1000 524288 65536 2
25 1000 524288 65536 2
26 1000 524288 65536 2
27 1000 524288 65536 2
28 1000 524288 65536 2
29 1000 524288 65536 2