Start: Apr, 17, 2017 10:00:00
Python程序设计基础培训第二次作业
End: Apr, 23, 2017 14:00:00
Time elapsed:
Time remaining:
Problem_ID: A
Result: Accepted
Time: 120ms
Memory: 21432kB
Author: 15258500717
In contest: 1086 
#!/usr/bin/python
i=2
s=0
while(i<=100):
   s+=i
   i+=2
print s