Submission #1138768

#	Time	Username	Problem	Language	Result	Execution time	Memory
1138768		Noproblem29	Amusement Park (JOI17_amusement_park)	C++20	10 / 100	15 ms	1864 KiB

Joi

#include "Joi.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
mt19937 rnd(26);
struct strik{
    static const int _N=1e4+100;
    static const int _M=5001;
    static const int _B=447;
    static const int mod=998244353;
    static const ll INF=1e18;
    
    vector<int>g[_N];
    bool mark[_N];
    int pos[_N];
    void fart(int x){
        mark[x]=1;
        // shuffle(g[x].begin(),g[x].end(),rnd);
        for(auto i:g[x]){
            if(!mark[i]){
                pos[i]=(pos[x]+1)%60;
                fart(i);
            }
        }
    }
}st;
void Joi(int N, int M, int A[], int B[], long long X, int T) {
    
    for(int i=0;i<M;i++){
        st.g[A[i]].push_back(B[i]);
        st.g[B[i]].push_back(A[i]);
    }
    st.fart(0);
    for(int i=0;i<N;i++){
        ll cur=st.pos[i];
        ll bt=(X>>cur)&1ll;
        MessageBoard(i,bt);
    }
}

Ioi

#include "Ioi.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
const int _N=1e4+100;
const int _M=5001;
const int _B=447;
const int mod=998244353;
mt19937 rng(26);
const ll INF=1e18;
int cnt[60];
vector<int>g[_N];
bool mark[_N];
bool needtostop(){
    for(int j=0;j<60;j++){
        if(cnt[j]==-1){
            return 0;
        }
    }
    return 1;
}
bool mark2[_N];
int par[_N];
void fart(int x){
    mark2[x]=1;
    // shuffle(g[x].begin(),g[x].end(),rng);
    for(auto i:g[x]){
        if(!mark2[i]){
            par[i]=(par[x]+1)%60;
            fart(i);
        }
    }
}
void dfs(int x){
    mark[x]=1;
    if(needtostop())return;
    for(auto i:g[x]){
        if(!mark[i]){
            cnt[par[i]]=Move(i);
            dfs(i);
            if(needtostop())return;
            cnt[par[x]]=Move(x);
        }
    }
}
long long Ioi(int n, int m, int a[], int b[], int pos, int V, int T) {
    
    for(int i=0;i<m;i++){
        g[a[i]].push_back(b[i]);
        g[b[i]].push_back(a[i]);
    }
    fart(0);
    
    for(int i=0;i<60;i++){
        cnt[i]=-1;
    }
    cnt[par[pos]]=V;
    dfs(pos);
    ll ans=0;
    for(ll i=0;i<60;i++){
        if(cnt[i]){
            ans+=(1ll<<i);
        }
    }
    return ans;
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 10
• Subtask 3: 10 / 10
• Subtask 4: 0 / 55
• Subtask 5: 0 / 17