Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
78283 小徐老师 校门外的树 Python3 Wrong Answer 2766 MS 4132 KB 302 2024-06-16 21:02:17

Tests(8/10):

Code:

a = [int(i) for i in input().split()] e = [] for i in range(a[0] + 1): e.append(i+1) for i in range(a[1]): start,end = [int(i) for i in input().split()] for j in range(start,end+1): try: e.remove(j) except: continue print(len(e))

Run Info:

------Input------

1000 5
0 100
101 200
900 1000
207 400
401 899

------Answer-----

6

------Your output-----

7