Submission #73139

#	Time	Username	Problem	Language	Result	Execution time	Memory
73139		Kmcode	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	91 ms	8188 KiB

molecules

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

//#include "molecules.h"

vector<pair<long long int,int> > im;
vector<pair<int,int> > vv;

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
	for(int i=0;i<w.size();i++){
		vv.push_back(make_pair(w[i],i));
	}
	sort(vv.begin(),vv.end());
	sort(w.begin(),w.end());
	im.push_back(make_pair(0,-1));
	for(int i=0;i<w.size();i++){
		im.push_back(make_pair(im.back().first+w[i],i) );
		/*if(l<=im.back()&&im.back()<=u){
			vector<int> ans;
			for(int j=1;j<im.size();j++){
				ans.push_back(im[j].second);
			}
			return ans;
		}*/
		long long int id=lower_bound(im.begin(),im.end(),make_pair(max(0LL,im.back().first-u),-1))-im.begin();
		if(l<=im.back().first-im[id].first&&im.back().first-im[id].first<=u){
			vector<int> ans;
			for(int j=id+1;j<im.size();j++){
				ans.push_back(vv[im[j].second].second);
			}
			return ans;
		}
	}
    return std::vector<int>();
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:10:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<w.size();i++){
              ~^~~~~~~~~
molecules.cpp:16:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<w.size();i++){
              ~^~~~~~~~~
molecules.cpp:28:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=id+1;j<im.size();j++){
                   ~^~~~~~~~~~

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