Submission #1117259

#	Time	Username	Problem	Language	Result	Execution time	Memory
1117259		I_FloPPed21	Connecting Supertrees (IOI20_supertrees)	C++14	Compilation error	0 ms	0 KiB

supertrees

#include "supertrees.h"
#include <iostream>
#include <vector>

using namespace std;
const int N=1001;
vector<vector<int>>b;
int n,componente[N],cnt,root[N],modes[N][N];
bool viz[N];
void fa_dfs(int i)
{
    viz[i]=true;
    componente[i]=cnt;
    for(int j=0; j<n; j++)
    {
        if(viz[j]==true)
            continue;
        if(modes[i][j]==1)
        {
            b[i][j]=1;
            b[j][i]=1;
            fa_dfs(j);
        }
    }
}
int construct(vector<vector<int>>p)
{
    n=p.size();
    b.resize(n);
    for(int i=0;i<n;i++)
        b[i].resize(n);
    for(int i=0; i<n; i++)
        for(int j=0; j<n; j++)
            modes[i][j]=p[i][j];
    for(int i=0; i<n; i++)
    {
        if(viz[i]==false)
        {
            cnt++;
            viz[i]=true;
            componente[i]=cnt;
            fa_dfs(i);

        }
    }
    build(b);
    return 1;

}
int main()
{
    cout << "Hello world!" << endl;
    return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccdXhUSX.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccw2VwDZ.o:supertrees.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status