#312. 求 1+2+3+……+100的和
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
s=1+2+3+……+100
输出s的值
By signing up a PaiBlockly编程创客平台图形模块编程软件系统 universal account, you can submit code and join discussions in all online judging services provided by us.