Submission #303010

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
303010	2020-09-19T18:03:30 Z	noob_c0de	Connecting Supertrees (IOI20_supertrees)	C++17	Compilation error	0 ms	0 KB

supertrees

#include<bits/stdc++.h>
using namespace std;
#define ar array
const int mxn=2e5+3;
ar<int,2> a[mxn];
vector<int> find_subset(int l,int u,vector<int> w)
{
    int n=w.size();
    for (int i=0;i<n;i++)
        a[i][0]=w[i],a[i][1]=i;
    sort(a,a+n);
    vector<int> ans;
    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++) ans.push_back(a[i][1]);
            return ans;
        }
    }
    return ans;
}

Compilation message

/tmp/cc5qcNOo.o: In function `main':
grader.cpp:(.text.startup+0x3b2): undefined reference to `construct(std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >)'
collect2: error: ld returned 1 exit status