Submission #849652

#	Time	Username	Problem	Language	Result	Execution time	Memory
849652		Bach21	Detecting Molecules (IOI16_molecules)	C++14	69 / 100	36 ms	4048 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"
using namespace std;
vector<int> find_subset(int l, int u, vector<int> w)
{
    vector<pair<int,int>> w1;
    for (int i=0;i<w.size();i++)
    {
        w1.push_back({w[i],i});
    }
    int sum=0;
    vector<int> res;
    sort(w1.begin(),w1.end());
    for (int i=0,j=0;j<w1.size();j++)
    {
        sum+=w1[j].first;
        while (sum>u)
        {
            sum-=w1[i++].first;
        }
        if (sum>=l)
        {
            for (int k=i;k<=j;k++)
            {
                res.push_back(w1[k].second);
            }
            break;
        }
    }
    return res;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:7:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     for (int i=0;i<w.size();i++)
      |                  ~^~~~~~~~~
molecules.cpp:14:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for (int i=0,j=0;j<w1.size();j++)
      |                      ~^~~~~~~~~~

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