TopCoder

User's AC Ratio

100.0% (2/2)

Submission's AC Ratio

100.0% (4/4)

Tags

Description

Input Format

Output Format

Sample Input 1

6 6
0

Sample Output 1

yes

Sample Input 2

6 6
4
3 3
4 2
4 4
5 3

Sample Output 2

no

Sample Input 3

6 6
5
3 3
4 2
4 3
4 4
5 3

Sample Output 3

yes

Hints

Problem Source

YTP 2020 高中組程式挑戰營 p9

Subtasks

No. Testdata Range Constraints Score
1 0~2 範例測資 0
2 0~11 無額外限制 15

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 262144 65536 1 2
1 1000 262144 65536 1 2
2 1000 262144 65536 1 2
3 1000 262144 65536 2
4 1000 262144 65536 2
5 1000 262144 65536 2
6 1000 262144 65536 2
7 1000 262144 65536 2
8 1000 262144 65536 2
9 1000 262144 65536 2
10 1000 262144 65536 2
11 1000 262144 65536 2