Submission #553220

#	Time	Username	Problem	Language	Result	Execution time	Memory
553220		sandry24	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pi;
#define pb push_back
#define mp make_pair
#define f first
#define s second

int find_subset(int l, int u, int w[], int n, int result[]){
    sort(w, w+n, greater<int>());
    ll sum = 0;
    int ind = 0;
    vector<int> visited(n);
    while(ind != n){
        if(sum + w[ind] < l){
            sum += w[l];
            visited[ind] = 1;
        }
        ind++;
    }
    for(int i = n-1; i >= 0; i--){
        if(!visited[i]){
            sum += w[i];
            visited[ind] = 1;
            break;
        }
    }
    if(sum >= l && sum <= u){
        int m = 0;
        for(int i = 0; i < n; i++){
            if(visited[i]){
                cout << i << ' ';
                result[i] = w[i];
                m++;
            }
        }
        return m;
    }
    return 0;
}

void solve(){
    
}

int main()
{
    ios::sync_with_stdio(0); cin.tie(0);
    int t = 1;
    //cin >> t;
    while(t--){
        solve();
    }
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccdT7hwR.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccRGN1CP.o:molecules.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccdT7hwR.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