Submission #917582

#	Time	Username	Problem	Language	Result	Execution time	Memory
917582		alexdd	Airline Route Map (JOI18_airline)	C++17	Compilation error	0 ms	0 KiB

Alice

#include "Boblib.h"
#include<bits/stdc++.h>
using namespace std;
vector<int> con[1100];
map<pair<int,int>,int> mp;
map<pair<int,int>,int> init;
int p,q;
int sum[1100];
void Bob(int V, int U, int C[], int D[])
{
    for(int i=0;i<U;i++)
    {
        con[C[i]].push_back(D[i]);
        con[D[i]].push_back(C[i]);
        mp[{C[i],D[i]}]++;
        mp[{D[i],C[i]}]++;
    }
    for(int i=0;i<V;i++)
    {
        if((int)con[i].size() == V-2)
        {
            p=i;
            for(int j=0;j<V;j++)
                if(j!=i && mp[{i,j}]==0)
                    q=j;
            break;
        }
    }
    vector<int> b(10);
    b[0]=-1;
    for(auto x:con[q])
    {
        int aux=0;
        for(auto y:con[q])
            if(mp[{x,y}])
                aux++;
        if(aux==1 && b[0]==-1)
            b[0]=x;
        else if(aux==1)
            b[9]=x;
    }
    if((int)con[b[0]].size() < (int)con[b[9]].size())
        swap(b[0],b[9]);
    for(int i=1;i<9;i++)
    {
        for(auto x:con[q])
        {
            if((i==1 || x!=b[i-2]) && mp[{x,b[i-1]}])
            {
                b[i]=x;
                break;
            }
        }
    }
    for(int i=0;i<10;i++)
        for(auto x:con[b[i]])
            sum[x] += (1<<i);
    vector<pair<int,int>> rez;
    for(int i=0;i<V;i++)
    {
        if(i!=p && i!=q && !mp[{q,i}])
        {
            //cout<<i<<" "<<sum[i]<<" sum\n";
            for(auto x:con[i])
            {
                if(x!=p && x!=q && !mp[{q,x}] && init[{sum[x],sum[i]}]==0)
                {
                    init[{sum[i],sum[x]}]++;
                    rez.push_back({sum[i],sum[x]});
                }
            }
        }
    }
    InitMap(V-12,rez.size());
    for(auto e:rez)
        MakeMap(e.first,e.second);

}

Bob

Compilation message (stderr)

/usr/bin/ld: /tmp/ccE9m4m9.o: in function `Bob(int, int, int*, int*)':
Alice.cpp:(.text+0x810): undefined reference to `InitMap(int, int)'
/usr/bin/ld: Alice.cpp:(.text+0x836): undefined reference to `MakeMap(int, int)'
/usr/bin/ld: /tmp/ccqavcs9.o: in function `main':
grader_alice.cpp:(.text.startup+0xa2): undefined reference to `Alice(int, int, int*, int*)'
collect2: error: ld returned 1 exit status

/usr/bin/ld: /tmp/cc5F82cS.o: in function `main':
grader_bob.cpp:(.text.startup+0xb2): undefined reference to `Bob(int, int, int*, int*)'
collect2: error: ld returned 1 exit status