Submission #465231

#	Time	Username	Problem	Language	Result	Execution time	Memory
465231		dattranxxx	Detecting Molecules (IOI16_molecules)	C++11	Compilation error	0 ms	0 KiB

molecules

/*
 * Author :  shora
 */
#include <bits/stdc++.h>
#define print(_v) for (auto &_ : _v) {cerr << _ << ' ';} cerr << endl;
#include "molecules.h"
using namespace std;
using ll = long long;
const int oo = 1e9;
const int N = 1e4, U = 1e4;
int dp[U + 1];
int n;
vector<int> find_subset(int l, int u, vector<int> a) {
	n = a.size();
	a.insert(a.begin(), 0);
	sort(a.begin() + 1, a.end());
	vector<int> pre(n+2), suf(n+2);
	for (int i = 1; i <= n; ++i) {
		pre[i] = pre[i-1] + a[i];
		suf[i] = suf[i-1] + a[n-i+1];
	}
	vector<int> res;
	for (int k = 1; k <= n; ++k) {
		if (pre[k] <= u && suf[k] >= l) {
			for (int i = 0; i <= k; ++i) if (l <= pre[i] + suf[k-i] && pre[i] + suf[k-i] <= u) {
				for (int j = 1; j <= i; ++j) res.push_back(j-1);
				for (int j = 1; j <= k-i; ++j) res.push_back(n-j);
				return res;
			}
		}
	}
	return res;
}

int main() {
	int l, u;
	cin >> n >> l >> u;
	vector<int> a(n);
	for (int& x : a)
		cin >> x;
	vector<int> res = find_subset(l, u, a);
	print(res);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccuYMnf2.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccnXdsw1.o:molecules.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status