Submission #524255

#	Time	Username	Problem	Language	Result	Execution time	Memory
524255		reni	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	47 ms	6176 KiB

molecules

#include "molecules.h"
#include<iostream>
#include<algorithm>
#include<vector>
#include<bits/stdc++.h>
using namespace std;
vector<int> find_subset(int l, int u, vector<int> w) {

   vector< pair<int,int> > v;
   for(int i=0;i<w.size();i++)
   {
       v.push_back({w[i],i});
   }
   sort(v.begin(),v.end());

   vector< int > r;

   long long sum=0, i, j=0;

   for(i=0;i<v.size();i++)
   {
       sum+=v[i].first;
       if(sum>=l && sum<=u)
       {
           for(int d=j;d<=i;d++)
           {
               r.push_back(v[d].second);
           }
           return r;
       }
       while(j<i && sum>=l)
       {
           sum-=v[j].first;j++;
           if(sum>=l && sum<=u)
           {
             for(int d=j;d<=i;d++)
                {
                    r.push_back(v[d].second);
                }
            return r;
           }
           
       }

   }
   return r;

}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:10:17: 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<w.size();i++)
      |                ~^~~~~~~~~
molecules.cpp:20:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |    for(i=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