Submission #210541

#	Time	Username	Problem	Language	Result	Execution time	Memory
210541		bash	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	75 ms	6252 KiB

molecules

#include<bits/stdc++.h>
#include "molecules.h"
#define weight first
#define num second
using namespace std;
typedef long long LL;
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
	vector<pair<int ,int > > v;
	vector<int > ans;
	for(int i=0;i<w.size();i++)
		v.push_back({w[i],i});
	sort(v.begin(),v.end());
	LL sum = 0;
	for(int i=0,j = 0;i<v.size();i++){
		sum+=v[i].weight;
		while(sum>u)	sum-=v[j++].first;
		if(sum>=l && sum<=u){
			for(;j<=i;j++)
				ans.push_back(v[j].second);
			sort(ans.begin(),ans.end());
			break;
		}
	}
    return ans;
}

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:14:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0,j = 0;i<v.size();i++){
                    ~^~~~~~~~~

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