Submission #1170984

#	Time	Username	Problem	Language	Result	Execution time	Memory
1170984		bbartek	Meetings (JOI19_meetings)	C++20	Compilation error	0 ms	0 KiB

meetings

#include <bits/stdc++.h>
//#include "meetings.h"

using namespace std;

typedef long long ll;
#define st first
#define nd second
#define pb push_back

const int maxn = 303;

bool polaczone[maxn];
vector<int> synowie[maxn];
vector<int> kolejnosc;
vector<pair<int,int>> wyniki;
/*
bool porownaj(int a,int b){
    return synowie[a].size() < synowie[b].size();
}

void Bridge(int a,int b){
    cout<<a<<" "<<b<<"\n";
}
vector<int> graf[maxn];
vector<int> odl(maxn);

void dfs(int v,int p){
    odl[v] = odl[p]+1;
    for(auto i : graf[v]){
        if(i==p)
            continue;
        dfs(i,v);
    }
}

int Query(int a,int b,int c){
    graf[0] = {2};
    graf[1] = {2};
    graf[2] = {0,1};
    int minimum = 1e9,ind;
    for(int i=0;i<5;i++){
        odl.clear();
        dfs(i,8);
        if(odl[a]+odl[b]+odl[c] < minimum){
            minimum = odl[a]+odl[b]+odl[c];
            ind = i;
        }
    }

    return ind;
}
*/

void Solve(int n){   //Query(a,b,c)//Bridge(a,b)//
    int x;
    for(int i=1;i<n;i++){
        for(int j=i+1;j<n;j++){
            x = Query(0,i,j);
            if(x == i){
                synowie[i].pb(j);
                //cout<<i<<" "<<j<<"\n";
            }
            else if(x == j){
                synowie[j].pb(i);
                //cout<<j<<" "<<i<<"\n";
            }
        }
        kolejnosc.pb(i);
    }

    sort(kolejnosc.begin(),kolejnosc.end(),porownaj);

    for(auto i : kolejnosc){
        //cout<<i<<" ";
        for(auto j : synowie[i]){
            if(polaczone[j])
                continue;
            wyniki.pb({min(i,j),max(i,j)});
            polaczone[j] = 1;
        }
    }

    for(int i=1;i<n;i++){
        if(!polaczone[i]){
            wyniki.pb({0,i});
        }
    }

    for(auto i : wyniki){
        Bridge(i.st,i.nd);
    }

    return;
}

/*
int main(){
    Solve(3);
    return 0;
}
*/

Compilation message (stderr)

meetings.cpp: In function 'void Solve(int)':
meetings.cpp:59:17: error: 'Query' was not declared in this scope
   59 |             x = Query(0,i,j);
      |                 ^~~~~
meetings.cpp:72:44: error: 'porownaj' was not declared in this scope
   72 |     sort(kolejnosc.begin(),kolejnosc.end(),porownaj);
      |                                            ^~~~~~~~
meetings.cpp:91:9: error: 'Bridge' was not declared in this scope
   91 |         Bridge(i.st,i.nd);
      |         ^~~~~~