Submission #382395

#	Time	Username	Problem	Language	Result	Execution time	Memory
382395		Trunkty	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	1 ms	492 KiB

molecules

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
long long sum=0;

vector<int> find_subset(int li, int ui, vector<int> wi){
	long long l=li,u=ui;
	vector<vector<long long>> w={};
	for(int i=0;i<wi.size();i++){
		w.push_back({wi[i],i});
	}
	sort(w.begin(),w.end());
	long long lef=0,rit=-1;
	while(rit!=w.size()){
		rit++;
		sum += w[rit][0];
		while(sum>u){
			sum -= w[lef][0];
			lef++;
		}
		if(sum<=u and sum>=l){
			vector<int> a = {};
			for(int i=lef;i<=rit;i++){
				a.push_back(w[i][1]);
			}
			return a;
		}
	}
	return {};
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:10:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |  for(int i=0;i<wi.size();i++){
      |              ~^~~~~~~~~~
molecules.cpp:15:11: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |  while(rit!=w.size()){
      |        ~~~^~~~~~~~~~

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