Submission #70174

#	Time	Username	Problem	Language	Result	Execution time	Memory
70174		Vahan	Detecting Molecules (IOI16_molecules)	C++17	9 / 100	4 ms	632 KiB

molecules

#include "molecules.h"
#include<algorithm>
#include<vector>
using namespace std;
vector<int> g1,g2;
vector<pair<int,int> > v;
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    for(int i=0;i<w.size();i++)
        v.push_back({w[i],i});
    sort(v.begin(),v.end());
    long long s=0;
    for(int i=0;i<v.size();i++)
    {
        s+=v[i].first;
        g1.push_back(v[i].second);
        if(s>=l && s<=u)
            return g1;
        if(s>u)
            break;
    }
    s=0;
    for(int i=v.size()-1;i>=0;i--)
    {
        s+=v[i].first;
        g2.push_back(v[i].second);
        if(s>=l && s<=u)
            return g2;
        if(s>u)
            break;
    }
    return std::vector<int>(0);
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:8:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<w.size();i++)
                 ~^~~~~~~~~
molecules.cpp:12:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<v.size();i++)
                 ~^~~~~~~~~

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