Submission #632517

#	Time	Username	Problem	Language	Result	Execution time	Memory
632517		Stavab	Detecting Molecules (IOI16_molecules)	C++14	19 / 100	1 ms	288 KiB

molecules

#include "molecules.h"
#include <algorithm>
#include <utility>

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(make_pair(w[i], i));
    sort(w.begin(), w.end());
    
    long long sum = 0;
    int i, j = 0;
    for(i = 0; i < w.size(); i++)
    {
        sum += (long long)v[i].first;
        
        while(sum > u)
        {
            sum -= v[j].first;
            j++;
        }
        
        if(l <= sum && sum <= u)
            break;
    }
    
    if(i == w.size())
        return {};
    
    vector<int> ind;
    for(int z = j; z <= i; z++)
        ind.push_back(v[z].second);
        
    return ind;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:10:22: 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:16:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     for(i = 0; i < w.size(); i++)
      |                ~~^~~~~~~~~~
molecules.cpp:30:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     if(i == w.size())
      |        ~~^~~~~~~~~~~

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