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: 129ms
Memory: 21432kB
Author: 15557899509
In contest: 1086 
#!/usr/bin/python
s=0
for i in range(1,101):
    if  i%2==0:
        s+=i
print s