#ifdef t9unkubj #include"my_template.h" //#include"my_template_no_debug.h" #else #define dbg(...) 199958 #pragma GCC optimize("O3") #include"bits/stdc++.h" using namespace std; using uint=unsigned; using ll=long long; using ull=unsigned long long; using ld=long double; using i128=__int128; templateusing vc=vector; templateusing vvc=vc>; templateusing vvvc=vc>; templateusing vvvvc=vc>; templateusing smpq=priority_queue,greater>; templateusing bipq=priority_queue; using vi=vc; using vvi=vvc; using vl=vc; using vvl=vvc; #define rep(i,n) for(ll i=0;i<(ll)(n);i++) #define REP(i,j,n) for(ll i=(j);i<(ll)(n);i++) #define DREP(i,n,m) for(ll i=(n);i>=(m);i--) #define drep(i,n) for(ll i=(ll(n)-1);i>=0;i--) #define all(x) x.begin(),x.end() #define rall(x) x.rbegin(),x.rend() #define pb push_back template bool chmin(T &x, F y){ if(x>y){ x=y; return true; } return false; } template bool chmax(T &x, F y){ if(x T sum(const vector&v){ return accumulate(all(v),T(0)); } template T min(const vector&v){ return *min_element(all(v)); } template T max(const vector&v){ return *max_element(all(v)); } void YesNo(bool y){ cout<<(y?"Yes":"No")< void unique(vc&a){ a.erase(unique(all(a)),a.end()); } vvi readgraph(int n,int m,int off = -1){ vvi g(n); rep(i, m){ int u,v; cin>>u>>v; u+=off,v+=off; g[u].push_back(v); g[v].push_back(u); } return g; } vvi readtree(int n,int off=-1){ return readgraph(n,n-1,off); } template vc presum(vc &a){ vc ret(a.size()+1); rep(i,a.size())ret[i+1]=ret[i]+a[i]; return ret; } template vc &operator+=(vc &a,F b){ for (auto&v:a)v += b; return a; } template vc &operator-=(vc&a,F b){ for (auto&v:a)v-=b; return a; } ostream&operator<<(ostream&os,i128 num) { if(num==0){ os<<"0"; return os; } if(num<0){ os<<"-"; num=-num; } string res; while(num){ res+='0'+static_cast(num%10); num/=10; } reverse(all(res)); os<>(istream& is,i128&num) { string s; is>>s; bool neg=0; num=0; if(s[0]=='-'){ neg=1; s=s.substr(1); } for(auto&c:s){ if (c>='0'&&c<='9'){ num=num*10+(c-'0'); }else{ is.setstate(ios::failbit); return is; } } if(neg){ num=-num; } return is; } void scan(int&a) { cin >> a; } void scan(ll&a) { cin >> a; } void scan(string&a) { cin >> a; } void scan(char&a) { cin >> a; } void scan(uint&a) { cin >> a; } void scan(ull&a) { cin >> a; } void scan(bool&a) { cin >> a; } void scan(ld&a){ cin>> a; } void scan(i128&a){ cin>> a; } template void scan(vector&a) { for(auto&x:a) scan(x); } void read() {} template void read(Head&head, Tail&... tail) { scan(head); read(tail...); } #define INT(...) int __VA_ARGS__; read(__VA_ARGS__); #define LL(...) ll __VA_ARGS__; read(__VA_ARGS__); #define ULL(...) ull __VA_ARGS__; read(__VA_ARGS__); #define STR(...) string __VA_ARGS__; read(__VA_ARGS__); #define CHR(...) char __VA_ARGS__; read(__VA_ARGS__); #define DBL(...) double __VA_ARGS__; read(__VA_ARGS__); #define LD(...) ld __VA_ARGS__; read(__VA_ARGS__); #define I128(...) i128 __VA_ARGS__; read(__VA_ARGS__); #define VC(type, name, ...) vector name(__VA_ARGS__); read(name); #define VVC(type, name, size, ...) vector> name(size, vector(__VA_ARGS__)); read(name); void print(int a) { cout << a; } void print(ll a) { cout << a; } void print(string a) { cout << a; } void print(char a) { cout << a; } void print(uint a) { cout << a; } void print(bool a) { cout << a; } void print(ull a) { cout << a; } void print(double a) { cout << a; } void print(ld a){ cout<< a; } void print(i128 a){ cout<< a; } template void print(vectora) { for(int i=0;i<(int)a.size();i++){if(i)cout<<" ";print(a[i]);}cout< void PRT(T a) { print(a); cout < void PRT(Head head, Tail ... tail) { print(head); cout << " "; PRT(tail...); return; } struct ioset{ ioset(){ cin.tie(0)->sync_with_stdio(0); #ifdef t9unkubj cout<>t; while(t--)solve(); }