Submission #332124

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
332124	2020-12-01 14:14:00	ruatin	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

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#include "railroad.h"
#include <bits/stdc++.h>
#define forinc(i,a,b) for(int i=a;i<=b;++i)
#define fordec(i,a,b) for(int i=a;i>=b;--i)
#define all(a) a.begin(),a.end()
using namespace std;
const int N = 2e5+5;
int n, s[N], t[N];
int that[N], in[N], out[N], res;
struct DSU
{
    int n;
    vector<int> id;
    DSU(int n) : n(n), id(n+1,-1) {}
    int root(int u)
    {
        return id[u]<0 ? u : id[u]=root(id[u]);
    }
    bool join(int u,int v)
    {
        if((u=root(u))==(v=root(v)))
            return 0;
        if(id[u]>id[v])
            swap(u,v);
        id[u] += id[v];
        id[v] = u;
        return 1;
    }
 
 
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Compilation message (stderr)

molecules.cpp:1:10: fatal error: railroad.h: No such file or directory
    1 | #include "railroad.h"
      |          ^~~~~~~~~~~~
compilation terminated.