Submission #942022

#	Time	Username	Problem	Language	Result	Execution time	Memory
942022		hlk28khuong	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#include <cstdio>
#include <vector>
#include <cassert>

#include "molecules.h"

#include <bits/stdc++.h>
using namespace std;
#define isz(a) ((int)(a.size()))
typedef pair<int,int>ii;
vector<int> find_subset(int l, int u, vector<int> w)
{
    int n=isz(w);
    vector<ii>tmp;
    for(int i=0;i<n;i++)
        tmp.push_back(ii(w[i],i));
    sort(tmp.begin(),tmp.end());
    vector<int>res;
    int L=0;
    int sum=0;
    for(int i=0LL;i<isz(tmp);i++)
    {
        sum+=tmp[i].first;
        while(sum>u&&L<=i)
        {
            sum-=tmp[L].first;
            L++;
        }
        if(sum>=l&&sum<=u)
        {
            for(int j=L;j<=i;j++)
                res.push_back(tmp[j].second);
            sort(res.begin(),res.end());
            break;
        }
    }
    return res;
}
int main() {
    int n, l, u;
    assert(3 == scanf("%d %d %d", &n, &l, &u));
    std::vector<int> w(n);
    for (int i = 0; i < n; i++)
        assert(1 == scanf("%d", &w[i]));
    std::vector<int> result = find_subset(l, u, w);


    printf("%d\n", (int)result.size());
    for (int i = 0; i < (int)result.size(); i++)
        printf("%d%c", result[i], " \n"[i == (int)result.size() - 1]);
}

Compilation message (stderr)

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