Submission #967563

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
967563	2024-04-22T12:42:27 Z	happy_node	Amusement Park (JOI17_amusement_park)	C++17	Compilation error	0 ms	0 KB

Joi

#include "Joi.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

const int MX=10005;

vector<int> adj[MX];

int timer=-1;
vector<int> euler;
int sz[MX], par[MX], tin[MX], tout[MX];

void dfs(int v, int p) {
        tin[v]=++timer;
        euler.push_back(tin[v]);
        sz[v]=1;
        par[v]=p;
        for(auto u:adj[v]) {
                if(u==p) continue;
                dfs(u,v);
                sz[v]+=sz[u];
        }
        tout[v]=timer;
}

struct DSU {
        int par[MX];

        int find(int v) {
                return par[v]==v?v:par[v]=find(par[v]);
        }

        bool merge(int u, int v) {
                u=find(u),v=find(v);
                if(u==v) return false;
                par[u]=v;
                return true;
        }

        void prep(int N) {
                for(int i=0;i<N;i++) par[i]=i;
        }
} DS;


void Joi(int N, int M, int A[], int B[], long long X, int T) {
        vector<pair<int,int>> e;
        for(int i=0;i<M;i++) e.push_back({A[i],B[i]});
        sort(e.begin(),e.end());

        DS.prep();
        
        for(auto [x,y]:e) {
                if(DS.merge(x,y)) {
                        adj[x].push_back(y);
                        adj[y].push_back(x);
                }
        }

        dfs(0,-1);

        for(int i=0;i<N;i++) {
                int k=i%60;
                MessageBoard(euler[i],X>>k&1);
        }
}

Ioi

#include "Ioi.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

const int MX=10005;

vector<int> adj[MX];

int timer=-1;
vector<int> euler;
int sz[MX], par[MX], tin[MX], tout[MX];

void dfs(int v, int p) {
        tin[v]=++timer;
        euler.push_back(tin[v]);
        sz[v]=1;
        par[v]=p;
        for(auto u:adj[v]) {
                if(u==p) continue;
                dfs(u,v);
                sz[v]+=sz[u];
        }
        tout[v]=timer;
}

ll get(int x, int y) {
        return y*(1LL<<(tin[x]%60));
}

ll res=0, cnt=0;

bool vis[60];

void dfs0(int v, int p) {
        if(cnt==60) return;
        for(auto u:adj[v]) {
                if(u==p) continue;
                if(!vis[tin[u]%60]) cnt++;
                vis[tin[u]%60]=1;
                res|=get(u,Move(u));
                dfs0(u,v);
                if(cnt==60) return;
                Move(v);
        }
}

struct DSU {
        int par[MX];

        int find(int v) {
                return par[v]==v?v:par[v]=find(par[v]);
        }

        bool merge(int u, int v) {
                u=find(u),v=find(v);
                if(u==v) return false;
                par[u]=v;
                return true;
        }

        void prep(int N) {
                for(int i=0;i<N;i++) par[i]=i;
        }
} DS;

long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {

        // return mst

        vector<pair<int,int>> e;
        for(int i=0;i<M;i++) e.push_back({A[i],B[i]});
        sort(e.begin(),e.end());

        DS.prep();
        
        for(auto [x,y]:e) {
                if(DS.merge(x,y)) {
                        adj[x].push_back(y);
                        adj[y].push_back(x);
                }
        }

        dfs(0,-1);

        int k=V;
        while(sz[P]<60) {
                P=par[P];
                k=Move(P);
        }

        res|=get(P,k);
        cnt++;
        vis[tin[P]%60]=1;
        dfs0(P,par[P]);

        return res;
}

Compilation message

Joi.cpp: In function 'void Joi(int, int, int*, int*, long long int, int)':
Joi.cpp:53:17: error: no matching function for call to 'DSU::prep()'
   53 |         DS.prep();
      |                 ^
Joi.cpp:42:14: note: candidate: 'void DSU::prep(int)'
   42 |         void prep(int N) {
      |              ^~~~
Joi.cpp:42:14: note:   candidate expects 1 argument, 0 provided

Ioi.cpp: In function 'long long int Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:76:17: error: no matching function for call to 'DSU::prep()'
   76 |         DS.prep();
      |                 ^
Ioi.cpp:63:14: note: candidate: 'void DSU::prep(int)'
   63 |         void prep(int N) {
      |              ^~~~
Ioi.cpp:63:14: note:   candidate expects 1 argument, 0 provided