oj.uz

Submission #946899

# Submission time Handle Problem Language Result Execution time Memory
946899 2024-03-15T07:19:45 Z shenfe1 Amusement Park (JOI17_amusement_park) C++17
8 / 100
 20 ms 6112 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(P!=root&&(d[P]%60!=0||d[D[P]]-d[P]<59)){
        V=Move(pr[P]);
        cnt++;
        if(cnt>=120)assert(0);
        P=pr[P];
      }
      ans+=V*(1ll<<0);
      for(int i=1;i<60;i++){
        if(P==-1)return -1;
        V=Move(big[P]);
        cnt++;
        if(cnt>=120)assert(0);
        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")
      |

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1808 KB Output is correct
2 Correct 2 ms 1820 KB Output is correct
3 Correct 2 ms 1816 KB Output is correct
4 Correct 1 ms 1808 KB Output is correct
5 Correct 2 ms 1820 KB Output is correct
6 Correct 2 ms 1804 KB Output is correct
7 Correct 2 ms 1816 KB Output is correct
8 Correct 2 ms 1824 KB Output is correct
9 Correct 2 ms 1808 KB Output is correct
10 Correct 1 ms 1804 KB Output is correct
11 Correct 3 ms 2112 KB Output is correct
12 Correct 1 ms 1804 KB Output is correct
13 Correct 2 ms 1820 KB Output is correct
14 Correct 2 ms 1816 KB Output is correct
15 Correct 2 ms 2584 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 1812 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 4968 KB Output is correct
2 Correct 19 ms 4964 KB Output is correct
3 Correct 20 ms 4956 KB Output is correct
4 Correct 12 ms 4312 KB Output is correct
5 Correct 15 ms 4572 KB Output is correct
6 Runtime error 14 ms 6104 KB Execution killed with signal 6
7 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 2592 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 4964 KB Output is correct
2 Correct 19 ms 4960 KB Output is correct
3 Correct 18 ms 4964 KB Output is correct
4 Correct 12 ms 4316 KB Output is correct
5 Correct 12 ms 4520 KB Output is correct
6 Runtime error 14 ms 6112 KB Execution killed with signal 6
7 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 4956 KB Output is correct
2 Correct 19 ms 4960 KB Output is correct
3 Correct 19 ms 5072 KB Output is correct
4 Correct 14 ms 4464 KB Output is correct
5 Correct 12 ms 4576 KB Output is correct
6 Correct 13 ms 4312 KB Output is correct
7 Correct 17 ms 4300 KB Output is correct
8 Correct 12 ms 4312 KB Output is correct
9 Correct 12 ms 4320 KB Output is correct
10 Correct 11 ms 4316 KB Output is correct
11 Correct 11 ms 4316 KB Output is correct
12 Correct 11 ms 4040 KB Output is correct
13 Correct 12 ms 4032 KB Output is correct
14 Correct 13 ms 4124 KB Output is correct
15 Correct 11 ms 4308 KB Output is correct
16 Correct 12 ms 4308 KB Output is correct
17 Correct 12 ms 4316 KB Output is correct
18 Correct 13 ms 4316 KB Output is correct
19 Correct 15 ms 4560 KB Output is correct
20 Correct 10 ms 4320 KB Output is correct
21 Correct 9 ms 4324 KB Output is correct
22 Correct 12 ms 4324 KB Output is correct
23 Correct 12 ms 4312 KB Output is correct
24 Correct 11 ms 4320 KB Output is correct
25 Correct 13 ms 4312 KB Output is correct
26 Correct 12 ms 4380 KB Output is correct
27 Correct 14 ms 4320 KB Output is correct
28 Correct 13 ms 4312 KB Output is correct
29 Correct 11 ms 4048 KB Output is correct
30 Correct 11 ms 4300 KB Output is correct
31 Correct 2 ms 1816 KB Output is correct
32 Correct 1 ms 1808 KB Output is correct
33 Correct 2 ms 1824 KB Output is correct
34 Correct 1 ms 1808 KB Output is correct
35 Correct 1 ms 1800 KB Output is correct
36 Correct 1 ms 1820 KB Output is correct
37 Correct 1 ms 1800 KB Output is correct
38 Incorrect 1 ms 1820 KB Output isn't correct
39 Halted 0 ms 0 KB -