Submission #624278

#	Time	Username	Problem	Language	Result	Execution time	Memory
624278		Vovamatrix	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

//https://oj.uz/problem/view/IOI16_molecules
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define ll long long
#define pb push_back
#define mp make_pair
#define mt make_tuple
#define fi first
#define sc second
#define th third
#define fo fourth
#define pii pair<int,int>
#define pll pair<ll,ll>
#define ldb double
#define endl "\n"

#define all(data)       data.begin(),data.end()
#define TYPEMAX(type)   std::numeric_limits<type>::max()
#define TYPEMIN(type)   std::numeric_limits<type>::min()
#define MAXN 200007
ll w[MAXN];
ll prefsum[MAXN];
int main()
{
    ios::sync_with_stdio(false); cin.tie(0);
    ll n,l,u; cin>>n>>l>>u;
    for(int i=1;i<=n;i++) cin>>w[i];
    sort(w+1,w+n+1);
    prefsum[0]=0;
    for(int i=1;i<=n;i++) prefsum[i]=prefsum[i-1]+w[i];
    ll itr1=0,itr2=1;
    bool check=false;
    while(itr2<=n)
    {
        if(prefsum[itr2]-prefsum[itr1]>u) itr1++;
        else if(prefsum[itr2]-prefsum[itr1]<l) itr2++;
        else
        {
            for(int i=itr1+1;i<=itr2;i++) cout<<w[i]<<" ";
            check=true;
            break;
        }
    }
    return 0;
}

Compilation message (stderr)

molecules.cpp: In function 'int main()':
molecules.cpp:35:10: warning: variable 'check' set but not used [-Wunused-but-set-variable]
   35 |     bool check=false;
      |          ^~~~~
/usr/bin/ld: /tmp/ccXUgTc3.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccoq2xK2.o:molecules.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccXUgTc3.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