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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#40769#3998. The ProfiteerExplodingKonjacWA 3ms9792kbC++175.1kb2022-07-26 15:53:342022-07-26 15:53:36

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-07-26 15:53:36]
  • 评测
  • 测评结果:WA
  • 用时:3ms
  • 内存:9792kb
  • [2022-07-26 15:53:34]
  • 提交

answer

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

namespace FastIO
{
	class FastIOBase
	{
	 protected:
#ifdef OPENIOBUF
		static const int BUFSIZE=1<<22;
		char buf[BUFSIZE+1];
		int buf_p=0;
#endif
		FILE *target;
	 public:
#ifdef OPENIOBUF
	 	virtual void flush()=0;
#endif
		FastIOBase(FILE *f): target(f){}
		~FastIOBase()=default;
	};

	class FastOutput: public FastIOBase
	{
#ifdef OPENIOBUF
	 public:
		inline void flush()
			{ fwrite(buf,1,buf_p,target),buf_p=0; }
#endif
	 protected:
		inline void __putc(char x)
		{
#ifdef OPENIOBUF
			if(buf[buf_p++]=x,buf_p==BUFSIZE)flush();
#else
			putc(x,target);
#endif
		}
		template<typename T>
		inline void __write(T x)
		{
			char stk[256],*top=stk;
			if(x<0) return __putc('-'),__write(-x);
			do *(top++)=x%10,x/=10; while(x);
			for(;top!=stk;__putc(*(--top)+'0'));
		}
	 public:
		FastOutput(FILE *f=stdout): FastIOBase(f){}
#ifdef OPENIOBUF
		~FastOutput(){ flush(); }
#endif
		template<typename ...T>
		inline void writesp(const T &...x)
			{ initializer_list<int>{(this->operator<<(x),__putc(' '),0)...}; }
		template<typename ...T>
		inline void writeln(const T &...x)
			{ initializer_list<int>{(this->operator<<(x),__putc('\n'),0)...}; }
		inline FastOutput &operator <<(char x)
			{ return __putc(x),*this; }
		inline FastOutput &operator <<(const char *s)
			{ for(;*s;__putc(*(s++)));return *this; }
		inline FastOutput &operator <<(const string &s)
			{ return (*this)<<s.c_str(); }
		template<typename T,typename=typename enable_if<is_integral<T>::value>::type>
		inline FastOutput &operator <<(const T &x)
			{ return __write(x),*this; }
	}qout;

	class FastInput: public FastIOBase
	{
#ifdef OPENIOBUF
	 public:
		inline void flush()
			{ buf[fread(buf,1,BUFSIZE,target)]='\0',buf_p=0; }
#endif
	 protected:
	 	inline char __getc()
		{
#ifdef OPENIOBUF
			if(buf_p==BUFSIZE) flush();
			return buf[buf_p++];
#else
			return getc(target);
#endif
		}
	 public:
#ifdef OPENIOBUF
		FastInput(FILE *f=stdin): FastIOBase(f){ buf_p=BUFSIZE; }
#else
		FastInput(FILE *f=stdin): FastIOBase(f){}
#endif
		inline char getchar() { return __getc(); }
		template<typename ...T>
		inline void read(T &...x)
			{ initializer_list<int>{(this->operator>>(x),0)...}; }
		inline FastInput &operator >>(char &x)
			{ while(isspace(x=__getc()));return *this; }
		template<typename T,typename=typename enable_if<is_integral<T>::value>::type>
		inline FastInput &operator >>(T &x)
		{
			static char ch,sym;x=sym=0;
			while(isspace(ch=__getc()));
			if(ch=='-') sym=1,ch=__getc();
			for(;isdigit(ch);x=(x<<1)+(x<<3)+(ch^48),ch=__getc());
			return sym?x=-x:x,*this;
		}
		inline FastInput &operator >>(char *s)
		{
			while(isspace(*s=__getc()));
			for(;!isspace(*s) && *s && ~*s;*(++s)=__getc());
			return *s='\0',*this;
		}
		inline FastInput &operator >>(string &s)
		{
			char str_buf[(1<<8)+1],*p=str_buf;
			char *const buf_end=str_buf+(1<<8);
			while(isspace(*p=__getc()));
			for(s.clear(),p++;;p=str_buf)
			{
				for(;p!=buf_end && !isspace(*p=__getc()) && *p && ~*p;p++);
				*p='\0',s.append(str_buf);
				if(p!=buf_end) break;
			}
			return *this;
		}
	}qin;
}
using namespace FastIO;

typedef long long LL;
typedef long double LD;
typedef unsigned int UI;
typedef unsigned long long ULL;

#ifndef DADALZY
#define FILEIO(file) freopen(file".in","r",stdin),freopen(file".out","w",stdout)
#else
#define FILEIO(file)
#endif

int n,m,v[200005],a[200005],b[200005],dp[200005];
LL E,ans;

class Backpack
{
 private:
	int siz;
	vector<LL> f;
 public:
	Backpack()=default;
	Backpack(int _s): siz(_s),f(_s+1){}
	inline void init(int s)
		{ siz=s,f.resize(s+1),f.assign(s+1,0); }
	inline void add(int c,int v)
		{ for(int i=siz;i>=c;i--) f[i]=max(f[i],f[i-c]+v); }
	inline LL getsum()const
		{ return accumulate(f.begin(),f.end(),0ll); }
	inline LL operator [](int i)const
		{ return f[i]; }
};

int findR(int l,int r,Backpack now)
{
	if(l==r) return l;
	int mid=(l+r)>>1;
	Backpack old=now;
	for(int i=l;i<=mid;i++) now.add(b[i],v[i]);
	for(int i=r;i>mid;i--) now.add(a[i],v[i]);
	if(now.getsum()<=E)
	{
		for(int i=r;i>mid;i--) old.add(a[i],v[i]);
		return findR(l,mid,old);
	}
	else
	{
		for(int i=l;i<=mid;i++) old.add(b[i],v[i]);
		return findR(mid+1,r,old);
	}
}
void solve(int l,int r,int L,int R,Backpack now)
{
	if(l>r) return;
	int mid=(l+r)>>1,MID,ql=max(L,mid);
	Backpack old(now);
	for(int i=l;i<mid;i++) now.add(a[i],v[i]);
	for(int i=mid;i<=min(r,ql-1);i++) now.add(b[i],v[i]);
	MID=dp[mid]=findR(ql,R,now);
	now=old;
	for(int i=mid;i<=min(r,L-1);i++) now.add(b[i],v[i]);
	for(int i=MID+1;i<=R;i++) now.add(a[i],v[i]);
	solve(l,mid-1,L,MID,now);
	now=old;
	for(int i=l;i<=mid;i++) now.add(a[i],v[i]);
	for(int i=max(r+1,L);i<MID;i++) now.add(b[i],v[i]);
	solve(mid+1,r,MID,R,now);
}

int main()
{
	qin>>n>>m>>E,E*=m;
	for(int i=1;i<=n;i++) qin>>v[i]>>a[i]>>b[i];
	solve(1,n,1,n+1,Backpack(m));
	for(int i=1;i<=n;i++) ans+=(n-dp[i]+1);
	Backpack now(m);
	for(int i=1;i<=n;i++) now.add(b[i],v[i]);
	qout<<now.getsum()<<'\n';
	qout<<ans;
	return 0;
}

Details

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Test #1:

score: 0
Wrong Answer
time: 3ms
memory: 9792kb

input:

4 5 3
3 2 4
1 2 3
2 1 2
3 1 3

output:

13
1

result:

wrong answer 1st lines differ - expected: '1', found: '13'