Submission #490492

#	Time	Username	Problem	Language	Result	Execution time	Memory
490492		MohamedAliSaidane	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

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

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<ld,ld> pld;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pii> vpi;
typedef vector<pll> vpl;
typedef vector<pld> vpd;

#define pb push_back
#define popb pop_back
#define all(v) (v).begin(),(v).end()
#define ff first
#define ss second

const ll MOD = 1e9 + 7;
const ll INF = 1e18;
int nx[4] = {1,-1,0,0}, ny[4] = {0,0,1,-1};

/////// SOLUTION \\\\\\\

int find_subset(int l, int u, vi w, int n, vi res)
{
    vpi A;
    for(int i = 0; i <n; i ++)
    A.pb({w[i],i});
    sort(all(A));
    ll pref[n+1];
    pref[0] = 0;
    for(int i=  0; i <n; i ++)
        pref[i+1] = pref[i] + A[i].ff;
    int left = 0;
    int right = -1;
    for(int k=  1; k <= n; k ++)
    {
        if(pref[k] <= u && pref[n] - pref[n-k] >= l)
        {
            bool flag= false;
            for(int i = k; i <= n-k+1; i ++)
            {
                if(pref[i]-pref[i-k] >= l && pref[i]-pref[i-k] <= u)
                {
                    flag = true;
                    left = i;
                    right = i + k -1;
                }
            }
            if(flag)
                break;
        }
    }
    if(right == -1)
        return 0;
    else
    {
        for(int i = left; i <= right; i ++)
            res.pb(A[i].ss);
        return res.size();
    }
}

Compilation message (stderr)

molecules.cpp:27:1: warning: multi-line comment [-Wcomment]
   27 | /////// SOLUTION \\\\\\\
      | ^
/usr/bin/ld: /tmp/ccwLPxH8.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