제출 #485001

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
485001		maroonrk	던전 (IOI21_dungeons)	C++17	0 / 100	2 ms	972 KiB

dungeons

#include "dungeons.h"
#include <vector>

#ifndef LOCAL
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#endif

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

using ll=long long;
//#define int ll

#define rng(i,a,b) for(int i=int(a);i<int(b);i++)
#define rep(i,b) rng(i,0,b)
#define gnr(i,a,b) for(int i=int(b)-1;i>=int(a);i--)
#define per(i,b) gnr(i,0,b)
#define pb push_back
#define eb emplace_back
#define a first
#define b second
#define bg begin()
#define ed end()
#define all(x) x.bg,x.ed
#define si(x) int(x.size())
#ifdef LOCAL
#define dmp(x) cerr<<__LINE__<<" "<<#x<<" "<<x<<endl
#else
#define dmp(x) void(0)
#endif

template<class t,class u> bool chmax(t&a,u b){if(a<b){a=b;return true;}else return false;}
template<class t,class u> bool chmin(t&a,u b){if(b<a){a=b;return true;}else return false;}

template<class t> using vc=vector<t>;
template<class t> using vvc=vc<vc<t>>;

using pi=pair<int,int>;
using vi=vc<int>;

template<class t,class u>
ostream& operator<<(ostream& os,const pair<t,u>& p){
	return os<<"{"<<p.a<<","<<p.b<<"}";
}

template<class t> ostream& operator<<(ostream& os,const vc<t>& v){
	os<<"{";
	for(auto e:v)os<<e<<",";
	return os<<"}";
}

#define mp make_pair
#define mt make_tuple
#define one(x) memset(x,-1,sizeof(x))
#define zero(x) memset(x,0,sizeof(x))
#ifdef LOCAL
void dmpr(ostream&os){os<<endl;}
template<class T,class... Args>
void dmpr(ostream&os,const T&t,const Args&... args){
	os<<t<<" ";
	dmpr(os,args...);
}
#define dmp2(...) dmpr(cerr,__LINE__,##__VA_ARGS__)
#else
#define dmp2(...) void(0)
#endif

using uint=unsigned;
using ull=unsigned long long;

template<class t,size_t n>
ostream& operator<<(ostream&os,const array<t,n>&a){
	return os<<vc<t>(all(a));
}

template<int i,class T>
void print_tuple(ostream&,const T&){
}

template<int i,class T,class H,class ...Args>
void print_tuple(ostream&os,const T&t){
	if(i)os<<",";
	os<<get<i>(t);
	print_tuple<i+1,T,Args...>(os,t);
}

template<class ...Args>
ostream& operator<<(ostream&os,const tuple<Args...>&t){
	os<<"{";
	print_tuple<0,tuple<Args...>,Args...>(os,t);
	return os<<"}";
}

template<class t>
void print(t x,int suc=1){
	cout<<x;
	if(suc==1)
		cout<<"\n";
	if(suc==2)
		cout<<" ";
}

ll read(){
	ll i;
	cin>>i;
	return i;
}

vi readvi(int n,int off=0){
	vi v(n);
	rep(i,n)v[i]=read()+off;
	return v;
}

pi readpi(int off=0){
	int a,b;cin>>a>>b;
	return pi(a+off,b+off);
}

template<class t,class u>
void print(const pair<t,u>&p,int suc=1){
	print(p.a,2);
	print(p.b,suc);
}

template<class T>
void print(const vector<T>&v,int suc=1){
	rep(i,v.size())
		print(v[i],i==int(v.size())-1?suc:2);
}

template<class T>
void print_offset(const vector<T>&v,ll off,int suc=1){
	rep(i,v.size())
		print(v[i]+off,i==int(v.size())-1?suc:2);
}

template<class T,size_t N>
void print(const array<T,N>&v,int suc=1){
	rep(i,N)
		print(v[i],i==int(N)-1?suc:2);
}

string readString(){
	string s;
	cin>>s;
	return s;
}

template<class T>
T sq(const T& t){
	return t*t;
}

//#define CAPITAL
void yes(bool ex=true){
	#ifdef CAPITAL
	cout<<"YES"<<"\n";
	#else
	cout<<"Yes"<<"\n";
	#endif
	if(ex)exit(0);
	#ifdef LOCAL
	cout.flush();
	#endif
}
void no(bool ex=true){
	#ifdef CAPITAL
	cout<<"NO"<<"\n";
	#else
	cout<<"No"<<"\n";
	#endif
	if(ex)exit(0);
	#ifdef LOCAL
	cout.flush();
	#endif
}
void possible(bool ex=true){
	#ifdef CAPITAL
	cout<<"POSSIBLE"<<"\n";
	#else
	cout<<"Possible"<<"\n";
	#endif
	if(ex)exit(0);
	#ifdef LOCAL
	cout.flush();
	#endif
}
void impossible(bool ex=true){
	#ifdef CAPITAL
	cout<<"IMPOSSIBLE"<<"\n";
	#else
	cout<<"Impossible"<<"\n";
	#endif
	if(ex)exit(0);
	#ifdef LOCAL
	cout.flush();
	#endif
}

constexpr ll ten(int n){
	return n==0?1:ten(n-1)*10;
}

const ll infLL=LLONG_MAX/3;

#ifdef int
const int inf=infLL;
#else
const int inf=INT_MAX/2-100;
#endif

int topbit(signed t){
	return t==0?-1:31-__builtin_clz(t);
}
int topbit(ll t){
	return t==0?-1:63-__builtin_clzll(t);
}
int botbit(signed a){
	return a==0?32:__builtin_ctz(a);
}
int botbit(ll a){
	return a==0?64:__builtin_ctzll(a);
}
int popcount(signed t){
	return __builtin_popcount(t);
}
int popcount(ll t){
	return __builtin_popcountll(t);
}
bool ispow2(int i){
	return i&&(i&-i)==i;
}
ll mask(int i){
	return (ll(1)<<i)-1;
}

bool inc(int a,int b,int c){
	return a<=b&&b<=c;
}

template<class t> void mkuni(vc<t>&v){
	sort(all(v));
	v.erase(unique(all(v)),v.ed);
}

ll rand_int(ll l, ll r) { //[l, r]
	#ifdef LOCAL
	static mt19937_64 gen;
	#else
	static mt19937_64 gen(chrono::steady_clock::now().time_since_epoch().count());
	#endif
	return uniform_int_distribution<ll>(l, r)(gen);
}

template<class t>
void myshuffle(vc<t>&a){
	rep(i,si(a))swap(a[i],a[rand_int(0,i)]);
}

template<class t>
int lwb(const vc<t>&v,const t&a){
	return lower_bound(all(v),a)-v.bg;
}

vvc<int> readGraph(int n,int m){
	vvc<int> g(n);
	rep(i,m){
		int a,b;
		cin>>a>>b;
		//sc.read(a,b);
		a--;b--;
		g[a].pb(b);
		g[b].pb(a);
	}
	return g;
}

vvc<int> readTree(int n){
	return readGraph(n,n-1);
}

#ifdef LOCAL
const int nmax=1000;
const int B=50;
#else
const int nmax=400000;
const int B=1000;
#endif
const ll L=40;
const ll M=mask(L);
struct N{
	ll sum;
	int mn;
};
N* buf[nmax/B];
//sum に変な情報をもたせていない
void mg(N&a,const N&b){
	if(b.mn!=inf)
		chmin(a.mn,max(b.mn-a.sum,0LL));
	a.sum+=b.sum;
}

vi ls;
int n,to[nmax+1],gain[nmax+1],cap[nmax+1],dep[nmax+1];

void load2buf(int tar){
	static int cnt[nmax+1],qbuf[nmax+1];
	rep(i,n+1)cnt[i]=0;
	rep(i,n+1)if(to[i]!=-1)cnt[to[i]]++;
	int head=0;
	rep(i,n+1)if(cnt[i]==0)qbuf[head++]=i;
	rep(i,head){
		int v=qbuf[i];
		if(to[v]!=-1&&--cnt[to[v]]==0)
			qbuf[head++]=to[v];
	}
	rep(i,n+1)if(cnt[i]){
		int x=i,last=-1;
		do{
			assert(cnt[x]==1);
			cnt[x]=0;
			qbuf[head++]=x;
			last=x;
			x=to[x];
		}while(x!=i);
		to[last]=-1;
	}
	per(i,n+1){
		int v=qbuf[i];
		if(to[v]!=-1&&dep[to[v]]==B-1)to[v]=-1;
		if(to[v]==-1){
			buf[tar][v]={ll(v)<<L,inf};
			dep[v]=0;
		}else{
			buf[tar][v].sum=buf[tar][to[v]].sum+gain[v];
			int w=buf[tar][to[v]].mn;
			buf[tar][v].mn=min(cap[v],w==inf?inf:max(w-gain[v],0));
			dep[v]=dep[to[v]]+1;
		}
	}
}

int addup[nmax],addlw[nmax],goup[nmax],golw[nmax];

void init(int n_, std::vector<int> s, std::vector<int> p, std::vector<int> w, std::vector<int> l) {
	N*ptr=new N[(n+1)*(nmax/B)];
	rep(i,nmax/B)buf[i]=ptr+i*(n+1);
	ls=s;mkuni(ls);
	n=n_;
	for(int i=0;i<si(ls);i+=B){
		int j=min(i+B,si(ls));
		int lw=ls[i],up=ls[j-1];
		rep(k,n){
			if(inc(lw,s[k],up))to[k]=-1;
			else if(s[k]<lw){
				to[k]=l[k];
				gain[k]=p[k];
				cap[k]=s[k];
			}else{
				to[k]=w[k];
				gain[k]=s[k];
				cap[k]=inf;
			}
		}
		to[n]=-1;
		load2buf(i/B);
		i=j;
	}
	rep(i,n){
		addup[i]=s[i];
		addlw[i]=p[i];
		goup[i]=w[i];
		golw[i]=l[i];
	}
}

int lastvis[nmax],pos[nmax],idx[nmax];
N work[nmax];
int curtime;

long long simulate(int x,int z_){
	ll z=z_;
	while(x!=n){
		curtime++;
		int tar=lower_bound(all(ls),z)-ls.bg;
		if(tar==si(ls))tar--;
		tar/=B;
		ll ini=z;
		auto advance=[&](){
			while(1){
				if(addup[x]<=ini){
					z+=addup[x];
					x=goup[x];
				}else if(z<addup[x]){
					z+=addlw[x];
					x=golw[x];
				}else{
					z+=addup[x];
					x=goup[x];
					break;
				}
			}
		};
		int s=0;
		while(x!=n){
			if(lastvis[x]==curtime){
				int p=pos[x];
				N cur={0,inf};
				rng(i,p,s)mg(cur,work[i]);
				if(cur.mn>z){
					z+=(cur.mn-z+cur.sum-1)/cur.sum*cur.sum;
				}
				bool did=false;
				rng(i,p,s){
					if(work[i].mn>z){
						z+=work[i].sum;
					}else{
						x=idx[i];
						advance();
						did=true;
						break;
					}
				}
				assert(did);
				break;
			}else{
				lastvis[x]=curtime;
				pos[x]=s++;
				idx[s-1]=x;
				work[s-1]=buf[tar][x];
				int y=buf[tar][x].sum>>L;
				work[s-1].sum&=M;
				if(y<n){
					mg(work[s-1],addup[y]<=ini?N{addup[y],inf}:N{addlw[y],addup[y]});
					y=addup[y]<=ini?goup[y]:golw[y];
				}
				if(work[s-1].mn<=z){
					advance();
					break;
				}
				z+=work[s-1].sum;
				x=y;
			}
		}
	}
	return z;
}

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• Subtask 2: 0 / 26
• Subtask 3: 0 / 13
• Subtask 4: 0 / 12
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• Subtask 6: 0 / 11