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Submission #996868

# Submission time Handle Problem Language Result Execution time Memory
996868 2024-06-11T11:05:36 Z errorgorn Spy 3 (JOI24_spy3) C++17
94 / 100
 118 ms 81524 KB 
#include "Aoi.h"

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

#define int long long
#define ii pair<int,int>
#define iii tuple<int,int,int>
#define fi first
#define se second

#define pub push_back
#define pob pop_back
#define puf push_front
#define pof pop_front
#define lb lower_bound
#define ub upper_bound

#define rep(x,start,end) for(int x=(start)-((start)>(end));x!=(end)-((start)>(end));((start)<(end)?x++:x--))
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()

namespace {

int n,m,q,k;

vector<ii> al[20005];
int w[20005];
int hidden[20005];

vector<ii> al2[20005];
ii pp[20005];

int d[20005];

int typ[20005];

int CNT=2;
int ID[1<<16];

string bs;
int inf[305];

int CNT2=0;
int posq[35];

void dfs(int i){
	bool f=false;
	if (ID[typ[i]]==-1){
		ID[typ[i]]=CNT++;
		f=true;
		bs+="0";
	}
	
	if (n<=i){
		//cout<<i<<" "<<ID[typ[i]]<<endl;
		posq[i-n]=CNT2++;
	}
	
	for (auto [it,id]:al2[i]) if ((typ[it])&1){
		if (typ[it]){
			dfs(it);
			if (hidden[id]!=-1) inf[hidden[id]]=ID[typ[it]];
			//if (typ[it]!=typ[i]) cout<<"? "<<ID[typ[i]]<<" "<<ID[typ[it]]<<endl;
		}
	}
	
	for (auto [it,id]:al2[i]) if ((~typ[it])&1){
		if (typ[it]){
			dfs(it);
			if (hidden[id]!=-1) inf[hidden[id]]=ID[typ[it]];
			//if (typ[it]!=typ[i]) cout<<"? "<<ID[typ[i]]<<" "<<ID[typ[it]]<<endl;
		}
	}
	
	if (f) bs+="1";
}

}  // namespace

std::string aoi(signed N, signed M, signed Q, signed K, std::vector<signed> A,
                std::vector<signed> B, std::vector<long long> C,
                std::vector<signed> T, std::vector<signed> X) {


	n=N,m=M,q=Q,k=K;
	
	rep(x,0,m){
		al[A[x]].pub({B[x],x});
		al[B[x]].pub({A[x],x});
		w[x]=C[x];
	}
	
	memset(hidden,-1,sizeof(hidden));
	rep(x,0,k) hidden[X[x]]=x;
	
	priority_queue<ii,vector<ii>,greater<ii> > pq;
	
	memset(d,63,sizeof(d));
	
	d[0]=0;
	pq.push({d[0],0});
	
	while (!pq.empty()){
		int u,ww; tie(ww,u)=pq.top(); pq.pop();
		
		if (d[u]!=ww) continue;
		
		for (auto [it,id]:al[u]) if (d[it]>ww+w[id]){
			d[it]=ww+w[id];
			pq.push({d[it],it});
			pp[it]={u,id};
		}
	}
	
	rep(x,1,n) al2[pp[x].fi].pub({x,pp[x].se});
	
	rep(x,0,q){
		int curr=T[x];
		
		while (curr){
			typ[curr]|=1<<x;
			curr=pp[curr].fi;
		}
		
		al2[T[x]].pub({n+x,20004});
		typ[n+x]=1<<x;
	}
	
	memset(ID,-1,sizeof(ID));
	typ[0]=(1<<q)-1;
	ID[(1<<q)-1]=1;
	
	dfs(0);
	
	//rep(x,0,n) cout<<typ[x]<<" "; cout<<endl;
	//rep(x,0,k) cout<<inf[x]<<" "; cout<<endl;
	
	string s;
	rep(x,0,k){
		rep(i,0,5) s+='0'+((inf[x]>>i)&1);
	}
	
	rep(x,1,q){
		//cout<<d[T[x]]<<endl;
		rep(i,0,4) s+='0'+((posq[x]>>i)&1);
	}
	
	if (bs=="") bs="01";
	return s+bs.substr(1,sz(bs)-2);
}

#include "Bitaro.h"

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

#define int long long
#define ii pair<int,int>
#define iii tuple<int,int,int>
#define fi first
#define se second

#define pub push_back
#define pob pop_back
#define puf push_front
#define pof pop_front
#define lb lower_bound
#define ub upper_bound

#define rep(x,start,end) for(int x=(start)-((start)>(end));x!=(end)-((start)>(end));((start)<(end)?x++:x--))
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()

namespace {

int n,m,q,k;

vector<ii> al[10005];
int w[20005];
vector<int> imp;
int rit[10005];

int d[610][10005];
ii pp[610][10005];

void add(int u){
	int i=sz(imp);
	rit[u]=i;
	imp.pub(u);
	
	priority_queue<ii,vector<ii>,greater<ii> > pq;
		
	memset(d[i],63,sizeof(d[i]));
	
	d[i][u]=0;
	pq.push({d[i][u],u});
	
	while (!pq.empty()){
		int u,ww; tie(ww,u)=pq.top(); pq.pop();
		
		if (d[i][u]!=ww) continue;
		
		for (auto [it,id]:al[u]) if (d[i][it]>ww+w[id]){
			d[i][it]=ww+w[id];
			pq.push({d[i][it],it});
			pp[i][it]={u,id};
		}
	}
}

int inf[305];
int sp[50];

ii PP[10005]; //this guys contains the actual answers

int RR[50];

}  // namespace

void bitaro(signed N, signed M, signed Q, signed K, std::vector<signed> A, std::vector<signed> B,
            std::vector<long long> C, std::vector<signed> T, std::vector<signed> X,
            std::string s) {
				
	
	n=N,m=M,q=Q,k=K;
	
	rep(x,0,m) if (C[x]!=-1){
		al[A[x]].pub({B[x],x});
		al[B[x]].pub({A[x],x});
		w[x]=C[x];
	}
	
	memset(rit,-1,sizeof(rit));
	
	add(0);
	
	rep(x,0,k){
		rep(i,0,5) if (s[x*5+i]=='1') inf[x]+=1<<i; 
	}
	
	int currn=2;
	vector<int> stk={1};
	
	string bs="0"+s.substr(k*5+(q-1)*4,sz(s)-(k*5+(q-1)*4))+"1";
	
	sp[1]=0;
	
	for (auto it:bs){
		if (it=='0'){
			sp[currn]=stk.back();
			stk.pub(currn++);
		}
		else{
			stk.pob();
		}
	}
	
	vector<int> LL;
	rep(x,1,currn){
		bool leaf=true;
		rep(y,1,currn) if (sp[y]==x) leaf=false;
		if (leaf) LL.pub(x);
	}
	
	//for (auto it:LL) cout<<it<<" "; cout<<endl;
	
	RR[0]=0;
	add(0);
	
	rep(x,1,currn){
		set<int> st;
		rep(y,0,k) if (inf[y]==x) st.insert(y);
		
		int R=RR[sp[x]];
		
		while (!st.empty()){
			int mn=1e18;
			for (auto it:st){
				mn=min(mn,d[rit[R]][A[X[it]]]);
				mn=min(mn,d[rit[R]][B[X[it]]]);
			}
			
			for (auto it:st){
				if (mn==d[rit[R]][A[X[it]]]){
					int curr=A[X[it]];
					while (curr!=R){
						PP[curr]={pp[rit[R]][curr].fi,pp[rit[R]][curr].se};
						curr=pp[rit[R]][curr].fi;
					}
					PP[B[X[it]]]={A[X[it]],X[it]};
					R=B[X[it]];
					st.erase(it);
					break;
				}
				if (mn==d[rit[R]][B[X[it]]]){
					int curr=B[X[it]];
					while (curr!=R){
						PP[curr]={pp[rit[R]][curr].fi,pp[rit[R]][curr].se};
						curr=pp[rit[R]][curr].fi;
					}
					PP[A[X[it]]]={B[X[it]],X[it]};
					R=A[X[it]];
					st.erase(it);
					break;
				}
			}
			
			if (rit[R]==-1) add(R);
		}
		
		RR[x]=R;
		//cout<<"debug: "<<x<<" "<<R<<endl;
	}
	
	//rep(x,0,n) cout<<x<<" "<<PP[x].fi<<" "<<PP[x].se<<endl;
	
	rep(x,0,q){
		int grp=0;
		if (x){
			rep(i,0,4) if (s[k*5+(x-1)*4+i]=='1') grp+=1<<i;
		}
		
		grp=LL[grp];
		
		int curr=T[x];
		while (curr!=RR[grp]){
			PP[curr]={pp[rit[RR[grp]]][curr].fi,pp[rit[RR[grp]]][curr].se};
			curr=pp[rit[RR[grp]]][curr].fi;
		}
		
		vector<signed> stk;
		curr=T[x];
		while (curr){
			stk.pub(PP[curr].se);
			curr=PP[curr].fi;
		}
		
		reverse(all(stk));
		
		//for (auto it:stk) cout<<it<<" "; cout<<endl;
		answer(stk);
	}
}

Subtask #1
94.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 12668 KB Output is correct
2 Correct 1 ms 7180 KB Output is correct
3 Partially correct 76 ms 31152 KB Partially correct
4 Partially correct 53 ms 37792 KB Partially correct
5 Partially correct 16 ms 12756 KB Partially correct
6 Partially correct 41 ms 16820 KB Partially correct
7 Partially correct 59 ms 25164 KB Partially correct
8 Partially correct 25 ms 14812 KB Partially correct
9 Partially correct 47 ms 35668 KB Partially correct
10 Correct 38 ms 18868 KB Output is correct
11 Partially correct 32 ms 16820 KB Partially correct
12 Correct 35 ms 17072 KB Output is correct
13 Correct 51 ms 16824 KB Output is correct
14 Correct 26 ms 12816 KB Output is correct
15 Correct 27 ms 15328 KB Output is correct
16 Correct 33 ms 17108 KB Output is correct
17 Partially correct 91 ms 62896 KB Partially correct
18 Partially correct 81 ms 60764 KB Partially correct
19 Partially correct 16 ms 13204 KB Partially correct
20 Correct 15 ms 13200 KB Output is correct
21 Partially correct 17 ms 13176 KB Partially correct
22 Partially correct 19 ms 13316 KB Partially correct
23 Correct 20 ms 13408 KB Output is correct
24 Partially correct 24 ms 13224 KB Partially correct
25 Partially correct 23 ms 23560 KB Partially correct
26 Partially correct 24 ms 23488 KB Partially correct
27 Correct 2 ms 9480 KB Output is correct
28 Correct 23 ms 13336 KB Output is correct
29 Partially correct 16 ms 34828 KB Partially correct
30 Correct 30 ms 15424 KB Output is correct
31 Correct 36 ms 13504 KB Output is correct
32 Correct 44 ms 17408 KB Output is correct
33 Correct 19 ms 12912 KB Output is correct
34 Correct 19 ms 13336 KB Output is correct
35 Correct 23 ms 13240 KB Output is correct
36 Correct 41 ms 19684 KB Output is correct
37 Correct 18 ms 81524 KB Output is correct
38 Partially correct 26 ms 80564 KB Partially correct
39 Correct 19 ms 49928 KB Output is correct
40 Correct 12 ms 30484 KB Output is correct
41 Partially correct 118 ms 25992 KB Partially correct
42 Correct 37 ms 13572 KB Output is correct
43 Correct 22 ms 13628 KB Output is correct
44 Correct 20 ms 13460 KB Output is correct
45 Partially correct 17 ms 73108 KB Partially correct
46 Partially correct 19 ms 67516 KB Partially correct
47 Correct 15 ms 16392 KB Output is correct
48 Correct 1 ms 7180 KB Output is correct
49 Correct 2 ms 7180 KB Output is correct
50 Correct 15 ms 16824 KB Output is correct
51 Partially correct 2 ms 9740 KB Partially correct
52 Correct 2 ms 9484 KB Output is correct
53 Correct 11 ms 12788 KB Output is correct
54 Partially correct 9 ms 11372 KB Partially correct
55 Correct 15 ms 11956 KB Output is correct
56 Correct 17 ms 13292 KB Output is correct
57 Partially correct 22 ms 13748 KB Partially correct
58 Partially correct 17 ms 12312 KB Partially correct
59 Correct 20 ms 13428 KB Output is correct
60 Partially correct 23 ms 13456 KB Partially correct
61 Correct 23 ms 13404 KB Output is correct
62 Correct 19 ms 12904 KB Output is correct
63 Correct 23 ms 13396 KB Output is correct
64 Correct 17 ms 12820 KB Output is correct
65 Correct 10 ms 12052 KB Output is correct
66 Correct 17 ms 13500 KB Output is correct
67 Correct 11 ms 11952 KB Output is correct
68 Correct 17 ms 13596 KB Output is correct
69 Correct 1 ms 7188 KB Output is correct
70 Correct 2 ms 7188 KB Output is correct
71 Correct 2 ms 9492 KB Output is correct
72 Correct 8 ms 11280 KB Output is correct
73 Partially correct 11 ms 11532 KB Partially correct
74 Partially correct 11 ms 11508 KB Partially correct
75 Correct 11 ms 11524 KB Output is correct
76 Correct 2 ms 7180 KB Output is correct
77 Correct 15 ms 12996 KB Output is correct
78 Partially correct 19 ms 13048 KB Partially correct
79 Correct 22 ms 13072 KB Output is correct
80 Correct 2 ms 7176 KB Output is correct
81 Correct 28 ms 12724 KB Output is correct
82 Partially correct 24 ms 14772 KB Partially correct
83 Correct 27 ms 12728 KB Output is correct