Submission #1363386

#	Time	Username	Problem	Language	Result	Execution time	Memory
1363386		sophiaeternalia	Social Engineering (EGOI22_socialengineering)	C++20	Compilation error	0 ms	0 KiB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

/*map<pair<int, int>, int> mama;
int vv;
int nn;

int GetMove(){
    if (vv!=1){
        cout<<"WRONG GET_MOVE"<<"\n";
        return -1;
    }
    for (int i=1; i<=nn; i++){
        if (mama[{vv, i}]==1){
            mama[{vv, i}]=0;
            mama[{i, vv}]=0;
            return i;
        }
    }
    cout<<"YOU WON"<<"\n";
    return 0;
}

void mamakeMove(int v){
    if (mama[{v, vv}]==1){
        vv=v;
        mama[{v, vv}]=0;
        mama[{vv, v}]=0;
    } else {
        vv=-1;
    }
}*/


//-------------------------------------------------------------------------------------------------------------

vector<int> c;
vector<map<int, int>> g;

void dfsc(int v, int co){
    c[v]=co;
    for (auto u: g[v]){
        if (u.second!=1){
            continue;
        }
        if (c[u.first]==-1){
            dfsc(u.first, co);
        }
    }
}

void SocialEngineering(int n, int m, vector<pair<int,int>> edges){
    c.clear();
    c.assign(n, -1);
    g.clear();
    g.resize(n);
    for (auto u: edges){
        u.first--;
        u.second--;
        g[u.first][u.second]=1;
        g[u.second][u.first]=1;
    }
    for (int i=1; i<n; i++){
        if (c[i]==-1){
            dfsc(i, i);
        }
    }
    vector<int> ne(n, 0);
    for (int i=1; i<n; i++){
        if (g[i][0]==0){
            g[i].erase(0);
        } else {
            ne[c[i]]++;
        }
    }
    for (auto u: ne){
        if (u%2==1){
            //cout<<"YOU LOSE AND YOU KNOW IT"<<"\n";
            return;
        }
    }
    int a=GetMove();
    if (a==0){
        return;
    } else if (a==-1){
        return;
    } else {
        //cout<<"YOU THINK YOU WIN"<<"\n";
        return;
    }
    
}


//--------------------------------------------------------------------------------------------------------------


/*int main(){
    cin.tie(0); ios_base::sync_with_stdio(NULL);

    int n, m;
    cin>>n>>m;
    nn=n;
    vv=1;
    vector<pair<int, int>> e(m);
    for (int i=0; i<m; i++){
        int a, b;
        cin>>a>>b;
        mama[{a, b}]=1;
        mama[{b, a}]=1;
        e[i]={a, b};
    }
    SocialEngineering(n, m, e);
}*/

Compilation message (stderr)

Main.cpp: In function 'void SocialEngineering(int, int, std::vector<std::pair<int, int> >)':
Main.cpp:83:11: error: 'GetMove' was not declared in this scope
   83 |     int a=GetMove();
      |           ^~~~~~~