#310. 求 1+2+3+……+100的和
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ID: 310
Type: Default
1000ms
128MiB
Tried: 37
Accepted: 15
Difficulty: 5
Uploaded By:
zhangjiayi
Tags> 求 1+2+3+……+100的和
说明
s=1+2+3+……+100
输出s的值
输出格式
样例