Submission #465191

#	Time	Username	Problem	Language	Result	Execution time	Memory
465191		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;
using namespace std;
using ll = long long;
const int oo = 1e9;
const int N = 2e5;
int a[N];
map<int, ll> dp[N];
map<int, bool> t[N];
int n;
ll call(int i, int l) {
	if (i == -1) 
		return l <= 0 ? 0 : oo;
	if (dp[i].count(l))
		return dp[i][l];
	ll x = call(i-1, l-a[i]) + a[i], y = call(i-1, l);
	if (x < y) {
		t[i][l] = 1;
		return dp[i][l] = x; 
	} else {
		t[i][l] = 0;
		return dp[i][l] = y;
	}
}
int main() {
  cin.tie(0)->sync_with_stdio(0); cout.tie(0);
  int l, u;
  cin >> n >> l >> u;
  for (int i = 0; i < n; ++i)
  	cin >> a[i];
  call(n-1, l);
  if (dp[n-1][l] <= u) {
  	n = n-1;
  	while (n) {
  		if (t[n][l]) {
  			cout << n + 1 << ' ';
  			l -= a[n];
			}
			n--;
		}
	} 
  return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccNDVRG5.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccA7JsC6.o:molecules.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccNDVRG5.o: in function `main':
grader.cpp:(.text.startup+0x13d): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status