Submission #474768

#	Time	Username	Problem	Language	Result	Execution time	Memory
474768		MohamedFaresNebili	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"
#pragma GCC optimize ("Ofast")
#pragma GCC target ("avx2")

        using namespace std;

        using ll  = long long;
        using ld  = long double;
        using ii  = pair<int, int>;

        using vl  = vector<long long>;

        #define mp make_pair
        #define pb push_back
        #define pp pop_back
        #define ff first
        #define ss second
        #define lb lower_bound
        #define ub upper_bound
        #define all(x) (x).begin() , (x).end()

        const int N = 2*100005;
        const long long MOD = 1e9+7;
        const long double EPS = 0.000000001;
        const double PI = 3.14159265358979323846;
        const int nx[4]={1, -1, 0, 0}, ny[4]={0, 0, 1, -1};

        long long gcd(int a, int b) { return (b==0?a:gcd(b, a%b)); }
        long long lcm(int a, int b) { return  a*(b/gcd(a, b)); }
        long long fact(int a) { return (a==1?1:a*fact(a-1)); }

        int res=0, arr[2*100005];
        void solve(int i, int l, int r, vector<int>w, int n, vector<int>a, int curr=0, int sum=0) {
            if(i==n) {
                if(sum>=l&&sum<=r) {
                    if(curr>res) {
                        for(int j=0;j<curr;j++) arr[j]=a[j];
                    }
                    res=max(res, curr);
                }
                return;
            }
            if(sum+w[i]>r) {
                solve(i+1, l, r, w, n, a, curr, sum);
                return;
            }
            a.pb(w[i]);
            solve(i+1, l, r, w, n, a, curr+1, sum+w[i]);
            a.pp();
            solve(i+1, l, r, w, n, a, curr, sum);
        }
        vector<int> find_subset(int l, int u, vector<int>w, int n, vector<int> result) {
            vector<int>ans; solve(0, l, u, w, n, ans);
            for(int i=0;i<res;i++) result.pb(arr[i]);
            return result;
        }

Compilation message (stderr)

/usr/bin/ld: /tmp/ccqVBOzh.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