QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#232348#7616. Jump GraphExplodingKonjacWA 2ms15792kbC++205.2kb2023-10-30 11:24:282023-10-30 11:24:29

Judging History

你现在查看的是最新测评结果

  • [2023-10-30 11:24:29]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:15792kb
  • [2023-10-30 11:24:28]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
// #define OPENIOBUF

namespace FastIO
{

class FastIOBase
{
 protected:
#ifdef OPENIOBUF
	static const int BUFSIZE=1<<16;
	char buf[BUFSIZE+1];
	int buf_p=0;
#endif
	FILE *target;
	FastIOBase(FILE *f): target(f){}
	~FastIOBase()=default;
 public:
#ifdef OPENIOBUF
	virtual void flush()=0;
#endif
};

class FastOutput final: public FastIOBase
{
 public:
	FastOutput(FILE *f=stdout): FastIOBase(f) {}
#ifdef OPENIOBUF
	~FastOutput() { flush(); }
	void flush() { fwrite(buf,1,buf_p,target),buf_p=0; }
#endif
	void put(char x)
	{
#ifdef OPENIOBUF
		if(buf[buf_p++]=x,buf_p==BUFSIZE) flush();
#else
		putc(x,target);
#endif
	}
	FastOutput &operator <<(char x)
	{ return put(x),*this; }
	FastOutput &operator <<(const char *s)
	{ for(;*s;put(*(s++)));return *this; }
	FastOutput &operator <<(const std::string &s)
	{ return (*this)<<s.c_str(); }
	template<typename T>
	std::enable_if_t<std::is_integral<T>::value,FastOutput&> operator <<(T x)
	{
		if(x<0) return put('-'),(*this)<<(-x);
		char stk[numeric_limits<T>::digits10+1],*top=stk;
		do *(top++)=x%10+'0',x/=10; while(x);
		while(top!=stk) put(*(--top));
		return *this;
	}
	template<typename ...T>
	void writesp(T &&...x)
	{ std::initializer_list<int>{((*this)<<(x),put(' '),0)...}; }
	template<typename ...T>
	void writeln(T &&...x)
	{ std::initializer_list<int>{((*this)<<(x),put('\n'),0)...}; }
	template<typename Iter>
	void writesp(Iter begin,Iter end)
	{ while(begin!=end) (*this)<<*(begin++)<<' '; }
	template<typename Iter>
	void writeln(Iter begin,Iter end)
	{ while(begin!=end) (*this)<<*(begin++)<<'\n'; }
}qout;

class FastInput final: public FastIOBase
{
 private:
	bool __eof;
 public:
	FastInput(FILE *f=stdin): FastIOBase(f),__eof(false)
#ifdef OPENIOBUF
	{ buf_p=BUFSIZE; }
	void flush() { buf[fread(buf,1,BUFSIZE,target)]=EOF,buf_p=0; }
	bool eof()const { return buf[buf_p]==EOF; }
#else
	{}
	bool eof()const { return feof(target); }
#endif
	char get()
	{
		if(__eof) return EOF;
#ifdef OPENIOBUF
		if(buf_p==BUFSIZE) flush();
		char ch=buf[buf_p++];
#else
		char ch=getc(target);
#endif
		return ~ch?ch:(__eof=true,EOF);
	}
	void unget(char c)
	{
		__eof=false;
#ifdef OPENIOBUF
		buf[--buf_p]=c;
#else
		ungetc(c,target);
#endif
	}
	explicit operator bool()const { return !__eof; }
	FastInput &operator >>(char &x)
	{ while(isspace(x=get()));return *this; }
	template<typename T>
	std::enable_if_t<std::is_integral<T>::value,FastInput&> operator >>(T &x)
	{
		char ch,sym=0;x=0;
		while(isspace(ch=get()));
		if(__eof) return *this;
		if(ch=='-') sym=1,ch=get();
		for(;isdigit(ch);x=(x<<1)+(x<<3)+(ch^48),ch=get());
		return unget(ch),sym?x=-x:x,*this;
	}
	FastInput &operator >>(char *s)
	{
		while(isspace(*s=get()));
		if(__eof) return *this;
		for(;!isspace(*s) && !__eof;*(++s)=get());
		return unget(*s),*s='\0',*this;
	}
	FastInput &operator >>(std::string &s)
	{
		char str_buf[(1<<8)+1]={0},*p=str_buf;
		char *const buf_end=str_buf+(1<<8);
		while(isspace(*p=get()));
		if(__eof) return *this;
		for(s.clear(),p++;;p=str_buf)
		{
			for(;p!=buf_end && !isspace(*p=get()) && !__eof;p++);
			if(p!=buf_end) break;
			s.append(str_buf);
		}
		unget(*p),*p='\0',s.append(str_buf);
		return *this;
	}
	template<typename ...T>
	void read(T &&...x)
	{ std::initializer_list<int>{((*this)>>(x),0)...}; }
	template<typename Iter>
	void read(Iter begin,Iter end)
	{ while(begin!=end) (*this)>>*(begin++); }
}qin;

} // namespace FastIO
using FastIO::qin,FastIO::qout;

using LL=long long;
using LD=long double;
using UI=unsigned int;
using ULL=unsigned long long;

#ifndef DADALZY
#define FILEIO(file) freopen(file".in","r",stdin),freopen(file".out","w",stdout)
#define LOG(...) [](auto...){}(__VA_ARGS__)
#else
#define FILEIO(file)
#define LOG(...) fprintf(stderr,__VA_ARGS__)
#endif

int n,p[300005],pos[300005];
LL ans[300005];

struct Data
{
	LL sum,cnt0,cnt1,cnt2;
	Data operator +=(const Data &rhs)
	{ return sum+=rhs.sum,cnt0+=rhs.cnt0,cnt1+=rhs.cnt1,cnt2+=rhs.cnt2,*this; }
	Data operator +(const Data &rhs)const
	{ return Data(*this)+=rhs; }
	Data updl()const
	{ return Data{sum+cnt2,cnt2,cnt0+cnt1,0}; }
	Data updr()const
	{ return Data{sum+cnt1,cnt1,0,cnt0+cnt2}; }
}f[300005];

int lc[300005],rc[300005],L[300005],R[300005];
int build()
{
	static int stk[1000005];
	int top=0;
	for(int i=1;i<=n;i++)
	{
		int k=top;
		while(k && p[stk[k]]<p[i]) k--;
		if(k) rc[stk[k]]=i;
		if(k<top) lc[i]=stk[k+1];
		stk[top=++k]=i;
	}
	return stk[1];
}
void dfs1(int u)
{
	f[u]=Data{1,1,0,0};
	if(lc[u]) dfs1(lc[u]),f[u]+=f[lc[u]].updr();
	if(rc[u]) dfs1(rc[u]),f[u]+=f[rc[u]].updl();
}
void dfs2(int u,LL sum=0)
{
	ans[u]=sum+(n-(R[u]-L[u]-1));
	LL sl=f[lc[u]].sum+f[lc[u]].cnt2,
	   sr=f[rc[u]].sum+f[rc[u]].cnt1;
	ans[u]+=sl+sr;
	if(lc[u]) dfs2(lc[u],sum+sr);
	if(rc[u]) dfs2(rc[u],sum+sl);
}

int main()
{
	qin>>n;
	qin.read(p+1,p+n+1);
	for(int i=1;i<=n;i++)
	{
		L[i]=i-1;
		while(L[i]>=1 && p[L[i]]<p[i])
			L[i]=L[L[i]];
	}
	for(int i=n;i>=1;i--)
	{
		R[i]=i+1;
		while(R[i]<=n && p[R[i]]<p[i])
			R[i]=R[R[i]];
	}
	int rt=build();
	dfs1(rt),dfs2(rt);
	qout.writesp(ans+1,ans+n+1);
	qout<<'\n';
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 2ms
memory: 15792kb

input:

6
1 6 3 2 5 4

output:

11 7 7 7 6 8 

result:

ok single line: '11 7 7 7 6 8 '

Test #2:

score: 0
Accepted
time: 0ms
memory: 13940kb

input:

2
1 2

output:

1 1 

result:

ok single line: '1 1 '

Test #3:

score: -100
Wrong Answer
time: 0ms
memory: 11796kb

input:

36
9 29 1 3 14 31 24 21 10 18 22 16 8 7 15 12 17 19 25 28 27 34 11 6 32 4 20 13 2 35 23 26 33 36 30 5

output:

96 93 94 94 95 81 76 74 74 74 68 68 67 67 66 68 68 73 77 88 101 90 112 112 108 111 109 109 109 102 131 131 132 112 144 144 

result:

wrong answer 1st lines differ - expected: '92 89 90 90 91 78 73 71 71 71 ...110 107 136 136 137 136 168 168', found: '96 93 94 94 95 81 76 74 74 74 ...09 102 131 131 132 112 144 144 '