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template-c++14.cpp
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template-c++14.cpp
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#include <bits/stdc++.h>
using namespace std;
#define dump(...) do{print_vars(cout<<"# "<<#__VA_ARGS__<<'=',__VA_ARGS__);cout<<endl;}while(0)
#define repi(i,a,b) for(int i=int(a);i<int(b);i++)
#define peri(i,a,b) for(int i=int(b);i-->int(a);)
#define rep(i,n) repi(i,0,n)
#define per(i,n) peri(i,0,n)
#define all(c) begin(c),end(c)
#define mp make_pair
#define mt make_tuple
using uint=unsigned;
using ll=long long;
using ull=unsigned long long;
using vi=vector<int>;
using vvi=vector<vi>;
using vvvi=vector<vvi>;
using vl=vector<ll>;
using vvl=vector<vl>;
using vvvl=vector<vvl>;
using vd=vector<double>;
using vvd=vector<vd>;
using vvvd=vector<vvd>;
using vs=vector<string>;
using vvs=vector<vs>;
template<typename T,typename U>bool chmin(T& a,const U& b){return a>b?(a=b,1):0;}
template<typename T,typename U>bool chmax(T& a,const U& b){return a<b?(a=b,1):0;}
void print_vars(ostream&){}
template<typename Car,typename... Cdr>
void print_vars(ostream& os,const Car& car,const Cdr&... cdr){
print_vars(os<<car<<(sizeof...(cdr)?",":""),cdr...);
}
template<typename T1,typename T2>
ostream& operator<<(ostream& os,const pair<T1,T2>& p){
return os<<'('<<p.first<<','<<p.second<<')';
}
template<int I,typename Tuple>
void print_tuple(ostream&,const Tuple&){}
template<int I,typename Car,typename... Cdr,typename Tuple>
void print_tuple(ostream& os,const Tuple& t){
os<<get<I>(t)<<(sizeof...(Cdr)?",":"");
print_tuple<I+1,Cdr...>(os,t);
}
template<typename... Args>
ostream& operator<<(ostream& os,const tuple<Args...>& t){
print_tuple<0,Args...>(os<<'(',t);
return os<<')';
}
template<typename Ch,typename Tr,typename C>
basic_ostream<Ch,Tr>& operator<<(basic_ostream<Ch,Tr>& os,const C& c){
os<<'[';
for(auto i=begin(c);i!=end(c);++i)
os<<(i==begin(c)?"":" ")<<*i;
return os<<']';
}
constexpr int INF=1e9;
constexpr int MOD=1e9+7;
constexpr double EPS=1e-9;
int main()
{
#ifndef _GLIBCXX_DEBUG
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
constexpr char endl='\n';
#endif
}