Submission #774580

#	Time	Username	Problem	Language	Result	Execution time	Memory
774580		JMs	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

    #include <bits/stdc++.h>

    using namespace std;

    int *find_subset(int l, int u, int w[], int n, int result[])
    {
        unsigned  const long long tam = 100005;
        long long v[tam], aux, c=0, ph, pl, s;
        for( long long i=0; i<n; i++){
            v[i]=i;
        }
        for( long long i=0; i<n-1; i++){
            for( long long j=i+1; j<n; j++){
                if(w[i]>w[j]){
                    aux=w[j];
                    w[j]=w[i];
                    w[i]=aux;
                    aux=v[j];
                    v[j]=v[i];
                    v[i]=aux;
                }
            }
        }
        pl=0;
        ph=0;
        s=w[0];
        while(1){
            //cout<<pl<<" "<<ph<<" "<<s<<endl;
            if(s<l && ph<n-1){
                ph++;
                s+=w[ph];
            }
            else if(s>u && pl<ph){
                s-=w[pl];
                pl++;
            }
            else if( ph==n-1 && (s>u || s<l)){
                return result;
                break;
            }
            else{
                for( long long i=pl; i<=ph; i++){
                    result[c]=v[i];
                    c++;
                    cout<<v[i]<<" ";
                }
                cout<<endl;
                break;
            }
        }
        return result;
    }

Compilation message (stderr)

/usr/bin/ld: /tmp/ccGhLfpO.o: in function `main':
grader.cpp:(.text.startup+0x18d): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status