Start: Nov, 12, 2017 10:00:00
2017秋Python程序设计基础培训第二次作业
End: Nov, 19, 2017 12:00:00
Time elapsed:
Time remaining:
Problem_ID: A
Result: Accepted
Time: 103ms
Memory: 24436kB
Author: zhouchunyan
In contest: 1122 
count=0
sum=0
while count<101:
    sum=sum+count
    count+=2
print (sum)