제출 #410863

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
410863		Marceantasy	Detecting Molecules (IOI16_molecules)	C++17	컴파일 에러	0 ms	0 KiB

molecules

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

#define ll long long

pair<ll, int> w[200001];

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	int n, i;
	ll l, u, sum=0;
	cin >> n >> l >> u;
	pair<ll, int> *w = new pair<ll, int>[n+1];
	for(i=0; i<n; ++i)
		cin >> w[i].first, w[i].second=i;
	sort(w, w+n);
	w[n]=make_pair(1LL<<31, -1);
	for(i=0; sum<=u; sum+=w[i].first, ++i);
	sum-=w[--i].first;
	for(int j=0; j<=min(i, n-i); sum+=w[n-1-j].first-w[j].first, ++j) {
		if(sum>=l) {
			cout << i << "\n";
			for(int k=j; k<i; ++k)
				cout << w[k].second << " ";
			for(int k=0; k<j; ++k)
				cout << w[n-1-k].second << " ";
			return 0;
		}
	}
	cout << 0;
}

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/cc2Lt7BU.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccScAhgT.o:molecules.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc2Lt7BU.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