Submission #303004

#	Time	Username	Problem	Language	Result	Execution time	Memory
303004		noob_c0de	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#include<bits/stdc++.h>
using namespace std;
#define ar array
const int mxn=2e5+3;
int n,l,u;
ar<int,2> a[mxn];
signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>l>>u;
    for (int i=0;i<n;i++) cin>>a[i][0],a[i][1]=i;
    sort(a,a+n);
    int lf=0;
    int sum=0;
    for (int r=0;r<n;r++)
    {
        sum+=a[r][0];
        if (sum>u)
        {
            sum-=a[lf][0];
            lf++;
        }
        if (sum>=l)
        {
            for (int i=lf;i<=r;i++) cout<<a[i][1]<<" ";
            return 0;
        }
    }
    return 0;
}

Compilation message (stderr)

/tmp/ccFNtkbm.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccGs8UiO.o:molecules.cpp:(.text.startup+0x0): first defined here
/tmp/ccFNtkbm.o: In function `main':
grader.cpp:(.text.startup+0x12b): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status