#include<bits/stdc++.h> #define int long long using namespace std; signed main(){ freopen("test.in","r",stdin); freopen("test.out","w",stdout); ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); //.... return 0; }
关于 #define int long long:知道要检查空间。
#define int long long