备忘。
#include<iostream> #include<cstdio> #include<cstring> #include<algorithm> #include<bitset> #include<cassert> #include<cctype> #include<cmath> #include<cstdlib> #include<ctime> #include<deque> #include<iomanip> #include<list> #include<map> #include<queue> #include<set> #include<stack> #include<vector> using namespace std; typedef long long ll; typedef long double ld; #define fi first #define se second #define pb push_back #define mp make_pair #define pii pair<int,int> const double PI=acos(-1.0); const double eps=1e-6; const ll mod=1e9+7; const int inf=0x3f3f3f3f; const int maxn=1e5+10; const int maxm=100+10; #define ios ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
支持万能头文件的就可以用万能头文件
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; #define fi first #define se second #define pb push_back #define mp make_pair #define pii pair<int,int> const double PI=acos(-1.0); const double eps=1e-6; const ll mod=1e9+7; const int inf=0x3f3f3f3f; const int maxn=1e5+10; const int maxm=100+10; #define ios ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);