10
3 17
4 21
2 0
2 1000000000
1000000000 999999999
1000000000 1000000000
1000000000 999999998
154236
<37 bytes omitted>
0.500000
CSFNB!
CSFNB!
CSFNB!
CSFNB!
999999997.000000
1.000000
9737972.368635
158.314655
99
<16 bytes omitted>
标准错误流
Traceback (most recent call last):
File "/sandbox/2/a.py", line 4, in <module>
num=int(input())
ValueError: invalid literal for int() with base 10: '3 17'
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 1