lucas1522 @ 2020-01-27 21:30:52
输入迭代器，您值得拥有
#include<bits/stdc++.h>
std::istream_iterator<int> in(std::cin),eof;
main(){
std::cout<<std::accumulate(in,eof,0);
}by Alan_Zhao @ 2020-06-25 21:42:03
@yzy1 这是什么原理呀qwq
by k3v1n070828 @ 2020-07-21 01:05:32
考古
by zhengjinyi @ 2020-09-13 12:13:41
#include<iostream>
#define b std::cin>>a
int a;main()std::cout<<b+b;