oj.uz

Submission #946903

# Submission time Handle Problem Language Result Execution time Memory
946903 2024-03-15T07:22:26 Z shenfe1 Amusement Park (JOI17_amusement_park) C++14
8 / 100
 22 ms 4996 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:g1[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);
    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<sz(top);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;
 
  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);
        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:g1[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);
    if(mxD+1>=60){
      int cnt=0;
      while(d[P]%60!=0){
        V=Move(pr[P]);
        P=pr[P];
      }
      ans+=V*(1ll<<0);
      for(int i=1;i<60;i++){
        if(P==-1)return -1;
        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(pr[L]==P){
          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")
      | 
Ioi.cpp: In member function 'long long int IOICHAN::solve(int, int, int*, int*, int, int, int)':
Ioi.cpp:115:11: warning: unused variable 'cnt' [-Wunused-variable]
  115 |       int cnt=0;
      |           ^~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1804 KB Output is correct
2 Correct 2 ms 1816 KB Output is correct
3 Correct 2 ms 1816 KB Output is correct
4 Correct 2 ms 1820 KB Output is correct
5 Correct 1 ms 1816 KB Output is correct
6 Correct 1 ms 1820 KB Output is correct
7 Correct 2 ms 1816 KB Output is correct
8 Correct 1 ms 1824 KB Output is correct
9 Correct 2 ms 1816 KB Output is correct
10 Correct 2 ms 1808 KB Output is correct
11 Correct 3 ms 1864 KB Output is correct
12 Correct 1 ms 1820 KB Output is correct
13 Correct 2 ms 1980 KB Output is correct
14 Correct 2 ms 1824 KB Output is correct
15 Correct 2 ms 1816 KB Output is correct
16 Correct 2 ms 1824 KB Output is correct
17 Correct 2 ms 1816 KB Output is correct
18 Correct 2 ms 1800 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 4976 KB Output is correct
2 Correct 19 ms 4916 KB Output is correct
3 Correct 18 ms 4972 KB Output is correct
4 Correct 13 ms 4312 KB Output is correct
5 Correct 11 ms 4564 KB Output is correct
6 Incorrect 12 ms 4320 KB Wrong Answer [6]
7 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1816 KB Wrong Answer [6]
2 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 4960 KB Output is correct
2 Correct 19 ms 4952 KB Output is correct
3 Correct 19 ms 4960 KB Output is correct
4 Correct 12 ms 4316 KB Output is correct
5 Correct 12 ms 4576 KB Output is correct
6 Incorrect 12 ms 4316 KB Wrong Answer [6]
7 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 4996 KB Output is correct
2 Correct 19 ms 4964 KB Output is correct
3 Correct 22 ms 4956 KB Output is correct
4 Correct 13 ms 4308 KB Output is correct
5 Correct 11 ms 4568 KB Output is correct
6 Correct 13 ms 4316 KB Output is correct
7 Correct 11 ms 4324 KB Output is correct
8 Correct 12 ms 4312 KB Output is correct
9 Correct 12 ms 4316 KB Output is correct
10 Correct 11 ms 4320 KB Output is correct
11 Correct 11 ms 4320 KB Output is correct
12 Correct 14 ms 4632 KB Output is correct
13 Correct 11 ms 4036 KB Output is correct
14 Correct 12 ms 4056 KB Output is correct
15 Correct 13 ms 4316 KB Output is correct
16 Correct 12 ms 4320 KB Output is correct
17 Correct 12 ms 4316 KB Output is correct
18 Correct 14 ms 4296 KB Output is correct
19 Correct 12 ms 4324 KB Output is correct
20 Correct 9 ms 4324 KB Output is correct
21 Correct 9 ms 4308 KB Output is correct
22 Correct 12 ms 4308 KB Output is correct
23 Correct 13 ms 4312 KB Output is correct
24 Correct 11 ms 4320 KB Output is correct
25 Correct 12 ms 4312 KB Output is correct
26 Correct 12 ms 4312 KB Output is correct
27 Correct 11 ms 4464 KB Output is correct
28 Correct 12 ms 4312 KB Output is correct
29 Correct 11 ms 4036 KB Output is correct
30 Correct 11 ms 4312 KB Output is correct
31 Correct 1 ms 1816 KB Output is correct
32 Correct 2 ms 1820 KB Output is correct
33 Correct 1 ms 1828 KB Output is correct
34 Correct 2 ms 2068 KB Output is correct
35 Correct 1 ms 1808 KB Output is correct
36 Correct 2 ms 1820 KB Output is correct
37 Correct 2 ms 1820 KB Output is correct
38 Incorrect 1 ms 1808 KB Output isn't correct
39 Halted 0 ms 0 KB -