Submission #241167

#	Time	Username	Problem	Language	Result	Execution time	Memory
241167		crossing0ver	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	5 ms	512 KiB

molecules

#include<bits/stdc++.h>
#include "molecules.h"
using namespace std;
vector<int> answer(vector<int> &ans,deque<int> v) {
	for (int i = 0; i < v.size(); i++) {
		ans.push_back(v[i]);
	}
	return ans;
}
vector<int> find_subset(int l, int u, vector<int> w) {
	int n = w.size();
	sort(w.begin(),w.end());
	long long tot = 0;
	deque<int> v;
	vector<int> ans;
	if (w[0] > u) return ans;
	for (int i = 0; i < n; i++) {
		if ( tot + w[i] < l) {
			tot+=w[i];
			v.push_back(i); 
		}	
	}
	int in = (v.size() > 0 ? v.back() : 0);
	for (int i = in + 1; i < n; i++) {
		if (w[i] + tot >= l && w[i] + tot <= u) {
			v.push_back(i);
			return answer(ans,v);
		}
		if (w[i] + tot > u) {
			tot -= w[v.front()];
			v.pop_front();
		}
		tot += w[i];
			v.push_back(i);
		if (tot >= l && tot <= u) return answer(ans,v);
	}
	return ans;
}


        

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> answer(std::vector<int>&, std::deque<int>)':
molecules.cpp:5:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < v.size(); i++) {
                  ~~^~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31