oj.uz

답안 #1103809

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1103809 2024-10-21T19:16:49 Z epicci23 게임 (APIO22_game) C++17
0 / 100
 5 ms 19024 KB 
#include "bits/stdc++.h"
#include "game.h"
//#define int long long
#define all(v) v.begin() , v.end()
#define sz(a) (int)a.size()
using namespace std;

const int N = 3e5 + 5;
const int BL = 600;
vector<int> v[N],g[N];
int n,m,k,out[N],in[N],bin[N],bout[N];
bool ok=0;

void upd_in(int a,int val){
  if(in[a]<val || ok) return;
  //cout << "updin: " << a << ' ' << val << '\n';
  in[a]=val;
  bin[a]=min(bin[a],val/BL);
  if(in[a]<=out[a] || bin[a]<bout[a]){
    ok=1;
    return;
  }
  for(int x:g[a]) if(in[x]>val && bin[x]==bin[a]) upd_in(x,val);
}

void upd_out(int a,int val){
  if(out[a]>val || ok) return;
  //cout << "updout: " << a << ' ' << val << '\n';
  out[a]=val;
  bout[a]=max(bout[a],val/BL);
  if(in[a]<=out[a] || bin[a]<bout[a]){
    ok=1;
    return;
  }
  for(int x:v[a]) if(out[x]<val && bout[x]==bout[a]) upd_out(x,val);
}

void upd_bin(int a,int val,int real){
  if(bin[a]<=val || ok) return;
  bin[a]=val;
  //cout << "updbin: " << a << ' ' << val << '\n';
  in[a]=min(in[a],real);
  if(bin[a]<bout[a]){
    ok=1;
    return;
  }
  if(bin[a]==bout[a] && a>=k) upd_in(a,in[a]);
  for(int x:g[a]) if(bin[x]>val) upd_bin(x,val,in[a]);
}

void upd_bout(int a,int val,int real){
  if(bout[a]>=val || ok) return;
  bout[a]=val;
  //cout << "updbout: " << a << ' ' << val << '\n';
  out[a]=max(out[a],real);
  if(bin[a]<bout[a]){
    ok=1;
    return;
  }
  if(bin[a]==bout[a] && a>=k) upd_out(a,out[a]);
  for(int x:v[a]) if(bout[x]<val) upd_bout(x,val,out[a]);
}


void init(int _n,int _k){
  n=_n,k=_k;
  for(int i=1;i<k;i++){
  	v[i-1].push_back(i);
  	g[i].push_back(i-1);
  }
  fill(bout,bout+N,-1);
  fill(bin,bin+N,k);
  fill(out,out+N,-1);
  fill(in,in+N,k);
  for(int i=0;i<k;i++) bin[i]=bout[i]=i/BL;
  for(int i=0;i<k;i++) in[i]=out[i]=i;
}

int add_teleporter(int a, int b){
  if(a==b && a<k) ok=1;
  v[a].push_back(b);
  g[b].push_back(a);
  upd_bout(b,bout[a],out[a]);
  upd_bin(a,bin[b],in[b]);
  return ok;
}



/*void _(){
  cin >> n >> m >> k;
  for(int i=1;i<k;i++){
  	v[i-1].push_back(i);
  	g[i].push_back(i-1);
  }
  fill(bout,bout+N,-1);
  fill(bin,bin+N,k);
  fill(out,out+N,-1);
  fill(in,in+N,k);
  for(int i=0;i<k;i++) bin[i]=bout[i]=i/BL;
  for(int i=0;i<k;i++) in[i]=out[i]=i;
  for(int i=1;i<=m;i++){
  	int a,b;
  	cin >> a >> b;
  	if(a==b && a<k) ok=1;
  	v[a].push_back(b);
  	g[b].push_back(a);
    upd_bout(b,bout[a],out[a]);
    upd_bin(a,bin[b],in[b]);
  	cout << ok << '\n';
  }
}

int32_t main(){
  cin.tie(0); ios::sync_with_stdio(0);
  int tc=1;//cin >> tc;
  while(tc--) _();
  return 0;
}*/

Subtask #1
0.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 19024 KB Output is correct
2 Correct 4 ms 19024 KB Output is correct
3 Correct 4 ms 19024 KB Output is correct
4 Incorrect 5 ms 19024 KB Wrong Answer[1]
5 Halted 0 ms 0 KB -

Subtask #2
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 19024 KB Output is correct
2 Correct 4 ms 19024 KB Output is correct
3 Correct 4 ms 19024 KB Output is correct
4 Incorrect 5 ms 19024 KB Wrong Answer[1]
5 Halted 0 ms 0 KB -

Subtask #3
0.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 19024 KB Output is correct
2 Correct 4 ms 19024 KB Output is correct
3 Correct 4 ms 19024 KB Output is correct
4 Incorrect 5 ms 19024 KB Wrong Answer[1]
5 Halted 0 ms 0 KB -

Subtask #4
0.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 19024 KB Output is correct
2 Correct 4 ms 19024 KB Output is correct
3 Correct 4 ms 19024 KB Output is correct
4 Incorrect 5 ms 19024 KB Wrong Answer[1]
5 Halted 0 ms 0 KB -

Subtask #5
0.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 19024 KB Output is correct
2 Correct 4 ms 19024 KB Output is correct
3 Correct 4 ms 19024 KB Output is correct
4 Incorrect 5 ms 19024 KB Wrong Answer[1]
5 Halted 0 ms 0 KB -