Submission #377327

#	Time	Username	Problem	Language	Result	Execution time	Memory
377327		rrrr10000	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
typedef tuple<ll,ll,ll> PP;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef vector<P> vp;
typedef vector<bool> vb;
#define rep(i,n) for(ll i=0;i<(ll)(n);i++)
#define REP(i,k,n) for(ll i=(ll)(k);i<(ll)(n);i++)
#define fi first
#define se second
#define all(a) a.begin(),a.end()
#define rosrt(a) {sort(all(a));reverse(all(a));}
#define dupli(a) {sort(all(a));a.erase(unique(all(a)),a.end());}
#define lb(v,k) (lower_bound(all(v),k)-v.begin())
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;}
template<class T> void out(T a){cout<<a<<'\n';}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];};cout<<'\n';}
template<class T> void outvv(T v){for(auto x:v)outv(x);}
template<class T> void outp(T p){cout<<'('<<p.fi<<','<<p.se<<')'<<endl;}
template<class T> void outvp(T v){for(auto x:v)cout<<'('<<x.fi<<','<<x.se<<')';cout<<endl;}
vi find_subset(int a,int b,vi v){
    int n=v.size();
    vi ruil(n),ruir(n);
    rep(i,n){
        ruil[i]=v[i];
        if(i)ruil[i]+=ruil[i-1];
    }
    for(int i=n-1;i>=0;i--){
        ruir[i]=v[i];
        if(i!=n-1)ruir[i]+=ruir[i+1];
    }
    rep(i,n){
        if(ruil[i]<=b&&ruir[n-i-1]>=a){
            ll sum=ruil[i];
            int l=i+1;
            rep(j,i+1){
                if(sum>=a)break;
                sum-=v[j];
                sum+=v[n-j-1];
                l--;
            }
            vi res(i+1);
            rep(j,i+1){
                if(j<l)res[j]=v[j];
                else res[j]=v[n-(j-l)-1];
            }
            return res;
        }
    }
    vi res(0);
    return res;
}

Compilation message (stderr)

/tmp/ccRt8Ycc.o: In function `main':
grader.cpp:(.text.startup+0x139): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status