oj.uz

Submission #946873

# Submission time Handle Problem Language Result Execution time Memory
946873 2024-03-15T07:04:38 Z shenfe1 Amusement Park (JOI17_amusement_park) C++17
63 / 100
 232 ms 262144 KB 
#include "Joi.h"
 
#include <bits/stdc++.h>
 
#pragma optimize("Ofast")
#pragma target("avx2")
 
using namespace std;
 
#define ll long long
#define ld long double
#define pb push_back
#define pf push_front
#define pii pair<int,int>
#define all(v) v.begin(),v.end()
#define F first
#define S second
#define mem(a,i) memset(a,i,sizeof(a))
#define sz(s) (int)s.size()
#define y1 yy
#define ppb pop_back
#define lb lower_bound
#define ub upper_bound
#define gcd(a,b) __gcd(a,b)
#define in insert
// #define int ll
 
const int MAX=1e4+15;
const int B=500;
const int maxB=1000;
const int N=104;
const int block=450;
const ll inf=1e9;  
const int mod=1e9+7;
const int mod1=1e9+9;
const ld eps=1e-9;
 
int dx[8]={1,0,-1,0,1,-1,-1,1};
int dy[8]={0,1,0,-1,1,-1,1,-1};
 
int binpow(int a,int n){
  if(!n)return 1;
  if(n%2==1)return a*binpow(a,n-1)%mod;
  int k=binpow(a,n/2);
  return k*k%mod;
}
 
struct JOIKUN{
  vector<int> g[MAX];
  vector<int> g1[MAX];
  bool use[MAX];
  int d[MAX],root=0;
  int cnt=0;
 
  void dfs(int v){
    use[v]=1;
    for(auto to:g[v]){
      if(!use[to]){
        cnt++;
        d[to]=d[v]+1;
        g1[v].pb(to);
        g1[to].pb(v);
        dfs(to);
      }
    }
  }
 
  int mxD=0;
  int D[MAX];
 
  void dfs1(int v,int p=-1){
    mxD=max(mxD,d[v]+1);
    for(auto to:g1[v]){
      if(to==p)continue;
      d[to]=d[v]+1;
      dfs1(to,v);
    }
  }
 
  void calc(int v,int p=-1){
    D[v]=v;
    for(auto to:g1[v]){
      if(to==p)continue;
      calc(to,v);
      if(d[D[v]]<d[D[to]])D[v]=D[to];
    }
  }
 
  int bit(ll i,int j){
    return (i>>j)&1;
  }
 
  vector<int> top;
 
  void topsort(int v,int p=-1){
    top.pb(v);
    for(auto to:g[v]){
      if(to==p)continue;
      topsort(to,v);
    }
  }
 
  void solve(int N,int M,int A[],int B[],ll X,int T){
    for(int i=0;i<M;i++){
      g[A[i]].pb(B[i]);
      g[B[i]].pb(A[i]);
    }
    dfs(0);
    assert(cnt==N-1);
    for(int i=0;i<N;i++){
      use[i]=0;
      if(d[i]>d[root])root=i;
    }
    d[root]=0;
    dfs1(root);
    calc(root);
    if(mxD>=60){
      for(int i=0;i<N;i++){
        MessageBoard(i,bit(X,d[i]%60));
      }
      return;
    }
    topsort(root);
    for(int i=0;i<N;i++){
      MessageBoard(top[i],bit(X,i%60));
    }
  }
}t;
 
void Joi(int N, int M, int A[], int B[], long long X, int T) {
  t.solve(N,M,A,B,X,T);
}
#include "Ioi.h"
 
#include <bits/stdc++.h>
 
#pragma optimize("Ofast")
#pragma target("avx2")
 
using namespace std;
 
#define ll long long
#define ld long double
#define pb push_back
#define pf push_front
#define pii pair<int,int>
#define all(v) v.begin(),v.end()
#define F first
#define S second
#define mem(a,i) memset(a,i,sizeof(a))
#define sz(s) (int)s.size()
#define y1 yy
#define ppb pop_back
#define lb lower_bound
#define ub upper_bound
#define gcd(a,b) __gcd(a,b)
#define in insert
// #define int ll
 
const int MAX=1e4+15;
const int B=500;
const int maxB=1000;
const int N=104;
const int block=450;
const ll inf=1e9;  
const int mod=1e9+7;
const int mod1=1e9+9;
const ld eps=1e-9;
 
struct IOICHAN{
 
  ll ans=0;
 
  set<pii> st;
  vector<int> g[MAX];
  vector<int> g1[MAX];
  int use[MAX];
  int d[MAX],root=0;
  int pr[MAX];
  int cnt=0;
 
  void dfs(int v){
    use[v]=1;
    for(auto to:g[v]){
      if(!use[to]){
        d[to]=d[v]+1;
        cnt++;
        g1[v].pb(to);
        g1[to].pb(v);
        st.in({to,v});
        st.in({v,to});
        dfs(to);
      }
    }
  }
 
  int mxD=0;
  int D[MAX];
  int big[MAX];
 
  void dfs1(int v,int p=-1){
    pr[v]=p;
    mxD=max(mxD,d[v]+1);
    for(auto to:g1[v]){
      if(to==p)continue;
      d[to]=d[v]+1;
      dfs1(to,v);
    }
  }
 
  void calc(int v,int p=-1){
    D[v]=v;
    big[v]=-1;
    for(auto to:g1[v]){
      if(to==p)continue;
      calc(to,v);
      if(d[D[v]]<d[D[to]]){
        D[v]=D[to];
        big[v]=to;
      }
    }
  }
 
  vector<int> top;
 
  void topsort(int v,int p=-1){
    top.pb(v);
    for(auto to:g[v]){
      if(to==p)continue;
      topsort(to,v);
    }
  }
 
 
  ll solve(int N,int M,int A[],int B[],int P,int V,int T){
    for(int i=0;i<M;i++){
      g[A[i]].pb(B[i]);
      g[B[i]].pb(A[i]);
    }
    dfs(0);
    assert(cnt==N-1);
    for(int i=0;i<N;i++){
      use[i]=0;
      if(d[i]>d[root])root=i;
    }
    d[root]=0;
    dfs1(root);
    calc(root);
    // cout<<mxD<<"\n";
    if(mxD+1>=60){
      while(d[P]%60!=0||d[D[P]]-d[P]<59){
        V=Move(pr[P]);
        P=pr[P];
      }
      ans+=V*(1ll<<0);
      for(int i=1;i<60;i++){
        if(P==-1)assert(0);
        V=Move(big[P]);
        P=big[P];
        ans+=V*(1ll<<i);
      }
      return ans;
    }
    topsort(root);
    while(P!=root){
      V=Move(pr[P]);
      P=pr[P];
    }
    ans+=V*(1ll<<0);
    for(int i=1;i<60;i++){
      int L=top[i];
      int cnt=0;
      while(P!=L){
        cnt++;
        if(cnt>60){
          return -1;
        }
        if(st.count({P,L})){
          V=Move(L);
          P=L;
        }
        else{
          V=Move(pr[P]);
          P=pr[P];
        }
      }
      ans+=V*(1ll<<i);
    }
    return ans;
  }
}g;
 
long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
  return g.solve(N,M,A,B,P,V,T);
}

Compilation message

Joi.cpp:5: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    5 | #pragma optimize("Ofast")
      | 
Joi.cpp:6: warning: ignoring '#pragma target ' [-Wunknown-pragmas]
    6 | #pragma target("avx2")
      | 

Ioi.cpp:5: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    5 | #pragma optimize("Ofast")
      | 
Ioi.cpp:6: warning: ignoring '#pragma target ' [-Wunknown-pragmas]
    6 | #pragma target("avx2")
      |

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1804 KB Output is correct
2 Correct 2 ms 1820 KB Output is correct
3 Correct 2 ms 1816 KB Output is correct
4 Correct 0 ms 1824 KB Output is correct
5 Correct 1 ms 2060 KB Output is correct
6 Correct 2 ms 1808 KB Output is correct
7 Correct 2 ms 1816 KB Output is correct
8 Correct 2 ms 1808 KB Output is correct
9 Correct 2 ms 1820 KB Output is correct
10 Runtime error 232 ms 262144 KB Execution killed with signal 9
11 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 5992 KB Output is correct
2 Correct 23 ms 5964 KB Output is correct
3 Correct 23 ms 5992 KB Output is correct
4 Correct 16 ms 5344 KB Output is correct
5 Correct 20 ms 6032 KB Output is correct
6 Correct 15 ms 5332 KB Output is correct
7 Correct 15 ms 5392 KB Output is correct
8 Correct 15 ms 5344 KB Output is correct
9 Correct 17 ms 5332 KB Output is correct
10 Correct 14 ms 5336 KB Output is correct
11 Correct 15 ms 5344 KB Output is correct
12 Correct 15 ms 4808 KB Output is correct
13 Correct 14 ms 4812 KB Output is correct
14 Correct 16 ms 4828 KB Output is correct
15 Correct 17 ms 5292 KB Output is correct
16 Correct 16 ms 5188 KB Output is correct
17 Correct 17 ms 5340 KB Output is correct
18 Correct 16 ms 5328 KB Output is correct
19 Correct 17 ms 5328 KB Output is correct
20 Correct 12 ms 5332 KB Output is correct
21 Correct 11 ms 5336 KB Output is correct
22 Correct 16 ms 5336 KB Output is correct
23 Correct 18 ms 5340 KB Output is correct
24 Correct 15 ms 5328 KB Output is correct
25 Correct 16 ms 5336 KB Output is correct
26 Correct 17 ms 5264 KB Output is correct
27 Correct 16 ms 5336 KB Output is correct
28 Correct 15 ms 5336 KB Output is correct
29 Correct 15 ms 4804 KB Output is correct
30 Correct 17 ms 5280 KB Output is correct
31 Correct 1 ms 1808 KB Output is correct
32 Correct 1 ms 1808 KB Output is correct
33 Correct 1 ms 2320 KB Output is correct
34 Runtime error 194 ms 262144 KB Execution killed with signal 9
35 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1820 KB Output is correct
2 Correct 0 ms 1820 KB Output is correct
3 Correct 2 ms 1832 KB Output is correct
4 Correct 2 ms 2364 KB Output is correct
5 Correct 3 ms 2360 KB Output is correct
6 Correct 2 ms 2356 KB Output is correct
7 Correct 3 ms 2332 KB Output is correct
8 Correct 2 ms 2344 KB Output is correct
9 Correct 11 ms 5852 KB Output is correct
10 Correct 11 ms 5852 KB Output is correct
11 Correct 12 ms 5856 KB Output is correct
12 Correct 1 ms 1808 KB Output is correct
13 Correct 2 ms 1804 KB Output is correct
14 Correct 1 ms 1816 KB Output is correct
15 Correct 1 ms 1820 KB Output is correct

Subtask #4
53.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 5984 KB Output is correct
2 Correct 28 ms 5800 KB Output is correct
3 Correct 24 ms 6052 KB Output is correct
4 Partially correct 16 ms 5340 KB Partially correct
5 Correct 16 ms 5600 KB Output is correct
6 Correct 16 ms 5344 KB Output is correct
7 Correct 16 ms 5348 KB Output is correct
8 Correct 19 ms 5336 KB Output is correct
9 Correct 19 ms 5332 KB Output is correct
10 Correct 17 ms 5448 KB Output is correct
11 Correct 15 ms 5344 KB Output is correct
12 Correct 14 ms 4828 KB Output is correct
13 Partially correct 14 ms 4812 KB Partially correct
14 Partially correct 15 ms 4812 KB Partially correct
15 Partially correct 16 ms 5088 KB Partially correct
16 Partially correct 17 ms 5348 KB Partially correct
17 Correct 19 ms 5328 KB Output is correct
18 Partially correct 17 ms 5340 KB Partially correct
19 Partially correct 18 ms 5312 KB Partially correct
20 Correct 11 ms 5336 KB Output is correct
21 Correct 11 ms 5344 KB Output is correct
22 Correct 16 ms 5244 KB Output is correct
23 Correct 22 ms 5236 KB Output is correct
24 Correct 20 ms 5584 KB Output is correct
25 Correct 16 ms 5352 KB Output is correct
26 Correct 16 ms 5328 KB Output is correct
27 Correct 17 ms 5336 KB Output is correct
28 Correct 17 ms 5272 KB Output is correct
29 Correct 15 ms 4812 KB Output is correct
30 Correct 15 ms 5344 KB Output is correct

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 6216 KB Output is correct
2 Correct 24 ms 5900 KB Output is correct
3 Correct 26 ms 5996 KB Output is correct
4 Incorrect 17 ms 5336 KB Output isn't correct
5 Halted 0 ms 0 KB -