Submission #441731

#	Time	Username	Problem	Language	Result	Execution time	Memory
441731		julian33	Connecting Supertrees (IOI20_supertrees)	C++14	Compilation error	0 ms	0 KiB

supertrees

#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {
    cerr<<vars<<" = ";
    string delim="";
    (...,(cerr<<delim<<values,delim=", "));
    cerr<<"\n";
}
#else
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {}
#endif

#define FOR(i,j,n) for(int i=j;i<n;i++)

#define pb push_back
#define sz(x) (int)(x.size())
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
template<typename T> inline void maxa(T& a,T b){a=max(a,b);}
template<typename T> inline void mina(T& a,T b){a=min(a,b);} 

/*
subtask 1: make a line graph
subtask 2: make multiple line graphs, make sure no components have contradictions
subtask 3: make multiple rings, make sure no contradictions
subtask 4: in each component, make components of 2s. Form these into rings. connect the rings. 
then get components of ones and make them into line graphs.
subtask 5: subtask 4 and check for contradictions
subtask 6: for the components of 3, make a ring and add an extra edge

rings must have at least 3 nodes
3-rings must have at least 4 nodes
*/

int construct(vector<vector<int>> p){
    return 0;
}

int main(){
    cin.sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    #ifdef LOCAL
        freopen("input.txt","r",stdin);
        freopen("output.txt","w",stdout);
    #endif


}

Compilation message (stderr)

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