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Wesley Leung's Monstrous Code Template
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#include <bits/stdc++.h> | |
#include <ext/pb_ds/assoc_container.hpp> | |
#include <ext/pb_ds/tree_policy.hpp> | |
#include <ext/pb_ds/priority_queue.hpp> | |
using namespace std;using namespace std::placeholders;using namespace __gnu_pbds; | |
#define pb push_back | |
#define eb emplace_back | |
#define mp make_pair | |
#define f first | |
#define s second | |
#define all(a) (a).begin(),(a).end() | |
#define For(i,a,b) for(auto i=(a);i<(b);i++) | |
#define FOR(i,b) For(i,0,b) | |
#define Rev(i,a,b) for(auto i=(a);i>(b);i--) | |
#define REV(i,a) Rev(i,a,-1) | |
#define FORE(i,a) for(auto&&i:a) | |
template<class C>constexpr int sz(const C&c){return int(c.size());} | |
using ll=long long;using ld=long double;using uint=unsigned int;using ull=unsigned long long; | |
using pii=pair<int,int>;using pll=pair<ll,ll>;using pill=pair<int,ll>;using plli=pair<ll,int>;using pdd=pair<double,double>;using pld=pair<ld,ld>; | |
constexpr const char nl='\n',sp=' ';constexpr const int INT_INF=0x3f3f3f3f;constexpr const ll LL_INF=0x3f3f3f3f3f3f3f3f; | |
constexpr const double D_INF=numeric_limits<double>::infinity();constexpr const ld LD_INF=numeric_limits<ld>::infinity(); | |
template<class T>constexpr const T&_min(const T&x,const T&y){return x<y?x:y;}template<class T>constexpr const T&_max(const T&x,const T&y){return x<y?y:x;} | |
template<class T,class...Ts>constexpr const T&_min(const T&x,const Ts&...xs){return _min(x,_min(xs...));} | |
template<class T,class...Ts>constexpr const T&_max(const T&x,const Ts&...xs){return _max(x,_max(xs...));} | |
template<class T,class...Ts>void MIN(T&x,const Ts&...xs){x=_min(x,xs...);}template<class T,class...Ts>void MAX(T&x,const Ts&...xs){x=_max(x,xs...);} | |
template<class T>constexpr const T&_clamp(const T&v,const T&lo,const T&hi){return v<lo?lo:hi<v?hi:v;}template<class T>void CLAMP(T&v,const T&lo,const T&hi){v=_clamp(v,lo,hi);} | |
template<class T,class...Args>unique_ptr<T>_make_unique(Args&&...args){return unique_ptr<T>(new T(forward<Args>(args)...));} | |
template<class T,class...Args>shared_ptr<T>_make_shared(Args&&...args){return shared_ptr<T>(new T(forward<Args>(args)...));} | |
#define min(...) _min(__VA_ARGS__) | |
#define max(...) _max(__VA_ARGS__) | |
#define clamp(...) _clamp(__VA_ARGS__) | |
#define make_unique _make_unique | |
#define make_shared _make_shared | |
seed_seq seq { | |
(uint64_t)chrono::duration_cast<chrono::nanoseconds>(chrono::high_resolution_clock::now().time_since_epoch()).count(), | |
(uint64_t)__builtin_ia32_rdtsc(),(uint64_t)(uintptr_t)make_unique<char>().get() | |
}; | |
mt19937 rng(seq);mt19937_64 rng64(seq);const size_t RANDOM=uniform_int_distribution<size_t>(0,(numeric_limits<size_t>::max)())(rng64); | |
template<class T,class H=hash<T>>struct rand_hash{ | |
static uint64_t splitmix64(uint64_t x){x+=0x9e3779b97f4a7c15;x=(x^(x>>30))*0xbf58476d1ce4e5b9;x=(x^(x>>27))*0x94d049bb133111eb;return x^(x>>31);} | |
size_t operator()(const T&x)const{return splitmix64(H{}(x)+RANDOM);} | |
}; | |
template<class K,class H=rand_hash<K>,class...Ts>using hashset=gp_hash_table<K,null_type,H,Ts...>; | |
template<class K,class V,class H=rand_hash<K>,class...Ts>using hashmap=gp_hash_table<K,V,H,Ts...>; | |
template<class K,class C=less<K>,class...Ts>using treeset=tree<K,null_type,C,rb_tree_tag,tree_order_statistics_node_update,Ts...>; | |
template<class K,class V,class C=less<K>,class...Ts>using treemap=tree<K,V,C,rb_tree_tag,tree_order_statistics_node_update,Ts...>; | |
template<class K,class H=rand_hash<K>,class...Ts>using uset=unordered_set<K,H,Ts...>;template<class K,class V,class H=rand_hash<K>,class...Ts>using umap=unordered_map<K,V,H,Ts...>; | |
template<class T>using minpq=std::priority_queue<T,vector<T>,greater<T>>;template<class T>using maxpq=std::priority_queue<T,vector<T>,less<T>>; | |
template<class T>using minpairingheap=__gnu_pbds::priority_queue<T,greater<T>,pairing_heap_tag>;template<class T>using maxpairingheap=__gnu_pbds::priority_queue<T,less<T>,pairing_heap_tag>; | |
template<class T1,class T2,class H1=rand_hash<T1>,class H2=rand_hash<T2>>struct pair_hash{size_t operator()(const pair<T1,T2>&p)const{return 31*H1{}(p.first)+H2{}(p.second);}}; | |
template<class T>struct is_iterator { | |
template<class U,typename enable_if<!is_convertible<U,const char*>::value,int>::type=0>constexpr static auto has_indirection(int)->decltype(*declval<U>(),bool()){return true;} | |
template<class>constexpr static bool has_indirection(long){return false;}constexpr static bool value=has_indirection<T>(0); | |
}; | |
#define INTERACTIVE_INPUT 0 | |
constexpr const int _bufferSize=1<<16,_maxNumLength=128; | |
char _inputBuffer[_bufferSize+1],*_inputPtr=_inputBuffer,_outputBuffer[_bufferSize],_c,_sign,*_tempInputBuf=nullptr,_numBuf[_maxNumLength],_tempOutputBuf[_maxNumLength],_fill=' '; | |
FILE*_input=stdin,*_output=stdout,*_error=stderr;const char*_delimiter=" ";int _cur,_outputPtr=0,_numPtr=0,_precision=6,_width=0,_tempOutputPtr=0,_cnt;ull _precisionBase=1000000; | |
#ifdef _WIN32 | |
#define getchar_unlocked getchar | |
#define fread_unlocked fread | |
#define fwrite_unlocked fwrite | |
#endif | |
#if INTERACTIVE_INPUT | |
#define _getchar() getchar_unlocked() | |
#else | |
#define _peekchar() (*_inputPtr?*_inputPtr:(_inputBuffer[fread_unlocked(_inputPtr=_inputBuffer,1,_bufferSize,_input)]='\0',*_inputPtr)) | |
#define _getchar() (*_inputPtr?*_inputPtr++:(_inputBuffer[fread_unlocked(_inputPtr=_inputBuffer,1,_bufferSize,_input)]='\0',*_inputPtr++)) | |
#define _hasNext() (*_inputPtr||!feof(_input)) | |
bool hasNext(){while(_hasNext()&&_peekchar()<=' ')_getchar();return _hasNext();}bool hasNextLine(){while(_hasNext()&&_peekchar()=='\r')_getchar();return _hasNext();} | |
#endif | |
#define _readSignAndNum(x) do{(x)=_getchar();}while((x)<=' ');_sign=(x)=='-';if(_sign)(x)=_getchar();for((x)-='0';(_c=_getchar())>='0';(x)=(x)*10+_c-'0') | |
#define _readFloatingPoint(x,T) for(T _div=1.0;(_c=_getchar())>='0';(x)+=(_c-'0')/(_div*=10)) | |
#define rc(x) do{do{(x)=_getchar();}while((x)<=' ');}while(0) | |
#define ri(x) do{_readSignAndNum(x);if(_sign)(x)=-(x);}while(0) | |
#define rd(x) do{_readSignAndNum(x);if(_c=='.')_readFloatingPoint(x,double);if(_sign)(x)=-(x);}while(0) | |
#define rld(x) do{_readSignAndNum(x);if(_c=='.')_readFloatingPoint(x,ld);if(_sign)(x)=-(x);}while(0) | |
#define rcs(x) do{_cur=0;do{_c=_getchar();}while(_c<=' ');do{(x)[_cur++]=_c;}while((_c=_getchar())>' ');(x)[_cur]='\0';}while(0) | |
#define rs(x) do{if(!_tempInputBuf)assert(0);rcs(_tempInputBuf);(x)=string(_tempInputBuf,_cur);}while(0) | |
#define rcln(x) do{while(_inputPtr!=_inputBuffer&&*(_inputPtr-1)=='\r')_getchar();_cur=0;while((_c=_getchar())!='\n'&&_c){if(_c!='\r')(x)[_cur++]=_c;}(x)[_cur]='\0';}while(0) | |
#define rln(x) do{if(!_tempInputBuf)assert(0);rcln(_tempInputBuf);(x)=string(_tempInputBuf,_cur);}while(0) | |
void setLength(int x){if(_tempInputBuf)delete[](_tempInputBuf);_tempInputBuf=new char[x+1];} | |
void read(int&x){ri(x);}void read(uint&x){ri(x);}void read(ll&x){ri(x);}void read(ull&x){ri(x);}void read(double&x){rd(x);}void read(ld&x){rld(x);} | |
void read(char&x){rc(x);}void read(char*x){rcs(x);}void read(string&x){rs(x);}void readln(char*x){rcln(x);}void readln(string&x){rln(x);} | |
template<class T1,class T2>void read(pair<T1,T2>&x){read(x.first);read(x.second);}template<class T>void read(complex<T>&x){T _re,_im;read(_re);read(_im);x.real(_re);x.imag(_im);} | |
template<class T>void read(T&x);template<class T,class...Ts>void read(T&x,Ts&&...xs); | |
template<class It>typename enable_if<is_iterator<It>::value>::type read(It st,It en){for(It _i=st;_i!=en;_i++)read(*_i);} | |
template<class It,class...Ts>typename enable_if<is_iterator<It>::value>::type read(It st,It en,Ts&&...xs){read(st,en);read(forward<Ts>(xs)...);} | |
template<class T>void read(T&x){for(auto&&_i:x)read(_i);}template<class T,class...Ts>void read(T&x,Ts&&...xs){read(x);read(forward<Ts>(xs)...);} | |
void setInput(FILE*file){*_inputPtr='\0';_input=file;}void setInput(const char*s){*_inputPtr='\0';_input=fopen(s,"r");}void setInput(const string&s){*_inputPtr='\0';_input=fopen(s.c_str(),"r");} | |
#define _flush() do{_flushBuf();fflush(_output);}while(0) | |
#define _flushBuf() (fwrite_unlocked(_outputBuffer,1,_outputPtr,_output),_outputPtr=0) | |
#define _putchar(x) (_outputBuffer[_outputPtr==_bufferSize?_flushBuf():_outputPtr]=(x),_outputPtr++) | |
#define _writeTempBuf(x) (_tempOutputBuf[_tempOutputPtr++]=(x)) | |
#define _writeOutput() for(int _i=0;_i<_tempOutputPtr;_putchar(_tempOutputBuf[_i++]));_tempOutputPtr=0 | |
#define _writeNum(x,T,digits) _cnt=0;for(T _y=(x);_y;_y/=10,_cnt++)_numBuf[_numPtr++]='0'+_y%10;for(;_cnt<digits;_cnt++)_numBuf[_numPtr++]='0';_flushNumBuf(); | |
#define _writeFloatingPoint(x,T) ull _I=(ull)(x);ull _F=((x)-_I)*_precisionBase+(T)(0.5);if(_F>=_precisionBase){_I++;_F=0;}_writeNum(_I,ull,1);_writeTempBuf('.');_writeNum(_F,ull,_precision) | |
#define _checkFinite(x) if(std::isnan(x)){wcs("NaN");}else if(std::isinf(x)){wcs("Inf");} | |
#define _flushNumBuf() for(;_numPtr;_writeTempBuf(_numBuf[--_numPtr])) | |
#define _fillBuf(x) for(int _i=0;_i<(x);_i++)_putchar(_fill) | |
#define _flushTempBuf() int _tempLen=_tempOutputPtr;_fillBuf(_width-_tempLen);_writeOutput();_fillBuf(-_width-_tempLen) | |
#define wb(x) do{if(x)_writeTempBuf('1');else _writeTempBuf('0');_flushTempBuf();}while(0) | |
#define wc(x) do{_writeTempBuf(x); _flushTempBuf();}while(0) | |
#define wi(x) do{if((x)<0){_writeTempBuf('-');_writeNum(-(x),uint,1);}else{_writeNum(x,uint,1);}_flushTempBuf();}while(0) | |
#define wll(x) do{if((x)<0){_writeTempBuf('-');_writeNum(-(x),ull,1);}else{_writeNum(x,ull,1);}_flushTempBuf();}while(0) | |
#define wd(x) do{_checkFinite(x)else if((x)<0){_writeTempBuf('-');_writeFloatingPoint(-(x),double);}else{_writeFloatingPoint(x,double);}_flushTempBuf();}while(0) | |
#define wld(x) do{_checkFinite(x)else if((x)<0){_writeTempBuf('-');_writeFloatingPoint(-(x),ld);}else{_writeFloatingPoint(x,ld);}_flushTempBuf();}while(0) | |
#define wcs(x) do{int _slen=strlen(x);_fillBuf(_width-_slen);for(const char*_p=(x);*_p;_putchar(*_p++));_fillBuf(-_width-_slen);}while(0) | |
#define ws(x) do{_fillBuf(_width-int((x).length()));for(int _i=0;_i<int((x).length());_putchar(x[_i++]));_fillBuf(-_width-int((x).length()));}while(0) | |
void setPrecision(int x){_precision=x;_precisionBase=1;for(int _i=0;_i<x;_i++,_precisionBase*=10);}void setWidth(int x){_width=x;}void setFill(char x){_fill=x;} | |
void setDelimiter(const char*x){_delimiter=x;}void setDelimiter(const string&x){_delimiter=x.c_str();} | |
void writeDelimiter(){for(const char*_p=_delimiter;*_p;_putchar(*_p++));} | |
void write(const bool&x){wb(x);}void write(const int&x){wi(x);}void write(const uint&x){wi(x);}void write(const ll&x){wll(x);}void write(const ull&x){wll(x);} | |
void write(const double&x){wd(x);}void write(const ld&x){wld(x);}void write(const char&x){wc(x);}void write(const char*x){wcs(x);}void write(const string&x){ws(x);} | |
template<class T1,class T2>void write(const pair<T1,T2>&x){write(x.first);writeDelimiter();write(x.second);} | |
template<class T>void write(const complex<T>&x){write(x.real());writeDelimiter();write(x.imag());} | |
template<class T>void write(const T&x);template<class T,class...Ts>void write(const T&x,Ts&&...xs); | |
template<class It>typename enable_if<is_iterator<It>::value>::type write(It st,It en){bool _first=1;for(It _i=st;_i!=en;_i++){if(_first)_first=0;else writeDelimiter();write(*_i);}} | |
template<class It,class...Ts>typename enable_if<is_iterator<It>::value>::type write(It st,It en,Ts&&...xs){write(st,en);writeDelimiter();write(forward<Ts>(xs)...);} | |
template<class T>void write(const T&x){bool _first=1;for(auto&&_i:x){if(_first)_first=0;else writeDelimiter();write(_i);}} | |
template<class T,class...Ts>void write(const T&x,Ts&&...xs){write(x);writeDelimiter();write(forward<Ts>(xs)...);} | |
void writeln(){_putchar('\n');}template<class...Ts>void writeln(Ts&&...xs){write(forward<Ts>(xs)...);_putchar('\n');} | |
void flush(){_flush();}class IOManager{public:~IOManager(){flush();if(_tempInputBuf)delete[](_tempInputBuf);}};unique_ptr<IOManager>iomanager=make_unique<IOManager>(); | |
void setOutput(FILE*file){flush();_output=file;}void setOutput(const char*s){flush();_output=fopen(s,"w");}void setOutput(const string&s){flush();_output=fopen(s.c_str(),"w");} | |
template<class...Ts>void debug(const Ts&...xs){FILE*_temp=_output;setOutput(_error);write(xs...);setOutput(_temp);} | |
template<class...Ts>void debugln(const Ts&...xs){FILE*_temp=_output;setOutput(_error);writeln(xs...);setOutput(_temp);} | |
void setError(FILE*file){flush();_error=file;}void setError(const char*s){flush();_error=fopen(s,"w");}void setError(const string&s){flush();_error=fopen(s.c_str(),"w");} |
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wesley made it bigger so update time